Port Antonio weather by month

Check out Port Antonio weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Port Antonio (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
84°F maximum daytime temperature in January in Port Antonio84
84°F maximum daytime temperature in February in Port Antonio84
84°F maximum daytime temperature in March in Port Antonio84
86°F maximum daytime temperature in April in Port Antonio86
86°F maximum daytime temperature in May in Port Antonio86
86°F maximum daytime temperature in June in Port Antonio86
88°F maximum daytime temperature in July in Port Antonio88
88°F maximum daytime temperature in August in Port Antonio88
86°F maximum daytime temperature in September in Port Antonio86
86°F maximum daytime temperature in October in Port Antonio86
84°F maximum daytime temperature in November in Port Antonio84
84°F maximum daytime temperature in December in Port Antonio84
Min temperature (night-time)
64°F minimum night-time temperature in January in Port Antonio64
66°F minimum night-time temperature in February in Port Antonio66
66°F minimum night-time temperature in March in Port Antonio66
68°F minimum night-time temperature in April in Port Antonio68
70°F minimum night-time temperature in May in Port Antonio70
72°F minimum night-time temperature in June in Port Antonio72
72°F minimum night-time temperature in July in Port Antonio72
72°F minimum night-time temperature in August in Port Antonio72
72°F minimum night-time temperature in September in Port Antonio72
70°F minimum night-time temperature in October in Port Antonio70
68°F minimum night-time temperature in November in Port Antonio68
66°F minimum night-time temperature in December in Port Antonio66
Heat & Humidity
Moderate heat & humidity in January in Port AntonioM
Moderate heat & humidity in February in Port AntonioM
Moderate heat & humidity in March in Port AntonioM
Moderate heat & humidity in April in Port AntonioM
Moderate heat & humidity in May in Port AntonioM
High heat & humidity in June in Port AntonioH
High heat & humidity in July in Port AntonioH
High heat & humidity in August in Port AntonioH
High heat & humidity in September in Port AntonioH
High heat & humidity in October in Port AntonioH
Moderate heat & humidity in November in Port AntonioM
Moderate heat & humidity in December in Port AntonioM
Sea temperature
81°F sea temperature in January in Port Antonio81
81°F sea temperature in February in Port Antonio81
81°F sea temperature in March in Port Antonio81
81°F sea temperature in April in Port Antonio81
82°F sea temperature in May in Port Antonio82
82°F sea temperature in June in Port Antonio82
84°F sea temperature in July in Port Antonio84
84°F sea temperature in August in Port Antonio84
84°F sea temperature in September in Port Antonio84
84°F sea temperature in October in Port Antonio84
82°F sea temperature in November in Port Antonio82
82°F sea temperature in December in Port Antonio82

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Port Antonio

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
11 hours of daylight per day in January in Port Antonio11
12 hours of daylight per day in February in Port Antonio12
12 hours of daylight per day in March in Port Antonio12
13 hours of daylight per day in April in Port Antonio13
13 hours of daylight per day in May in Port Antonio13
13 hours of daylight per day in June in Port Antonio13
13 hours of daylight per day in July in Port Antonio13
13 hours of daylight per day in August in Port Antonio13
12 hours of daylight per day in September in Port Antonio12
12 hours of daylight per day in October in Port Antonio12
11 hours of daylight per day in November in Port Antonio11
11 hours of daylight per day in December in Port Antonio11
UV Index (Maximum)
UV (maximum) index 8 (Very High) in January in Port Antonio8
UV (maximum) index 10 (Very High) in February in Port Antonio10
UV (maximum) index 11+ (Extreme) in March in Port Antonio11
UV (maximum) index 11+ (Extreme) in April in Port Antonio11
UV (maximum) index 11+ (Extreme) in May in Port Antonio11
UV (maximum) index 11+ (Extreme) in June in Port Antonio11
UV (maximum) index 11+ (Extreme) in July in Port Antonio11
UV (maximum) index 11+ (Extreme) in August in Port Antonio11
UV (maximum) index 11+ (Extreme) in September in Port Antonio11
UV (maximum) index 10 (Very High) in October in Port Antonio10
UV (maximum) index 9 (Very High) in November in Port Antonio9
UV (maximum) index 8 (Very High) in December in Port Antonio8

Rainfall in Port Antonio

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
7 days with some rainfall in January in Port Antonio7
6 days with some rainfall in February in Port Antonio6
6 days with some rainfall in March in Port Antonio6
7 days with some rainfall in April in Port Antonio7
12 days with some rainfall in May in Port Antonio12
12 days with some rainfall in June in Port Antonio12
13 days with some rainfall in July in Port Antonio13
13 days with some rainfall in August in Port Antonio13
14 days with some rainfall in September in Port Antonio14
16 days with some rainfall in October in Port Antonio16
11 days with some rainfall in November in Port Antonio11
8 days with some rainfall in December in Port Antonio8
Average monthly rainfall (inches)
7.3 inches monthly rainfall in January in Port Antonio7.3
5.9 inches monthly rainfall in February in Port Antonio5.9
3.0 inches monthly rainfall in March in Port Antonio3.0
5.8 inches monthly rainfall in April in Port Antonio5.8
10.9 inches monthly rainfall in May in Port Antonio10.9
9.3 inches monthly rainfall in June in Port Antonio9.3
7.3 inches monthly rainfall in July in Port Antonio7.3
7.8 inches monthly rainfall in August in Port Antonio7.8
8.7 inches monthly rainfall in September in Port Antonio8.7
13.3 inches monthly rainfall in October in Port Antonio13.3
13.9 inches monthly rainfall in November in Port Antonio13.9
11.0 inches monthly rainfall in December in Port Antonio11.0

More about Port Antonio

Port Antonio by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Jamaica (Port Antonio) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Port Antonio?

Port Antonio has a hot tropical climate with no dry season.

Port Antonio weather in January

Expect daytime maximum temperatures of 84°F in Port Antonio, Jamaica in January based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 7.3 inches of rainfall in the month.

  • 84°F maximum daytime temperature in January in Port Antonio84
    84°F max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in January in Port Antonio7
    7 days with some rainfall
  • 64°F minimum night-time temperature in January in Port Antonio64
    64°F min night temperature
  • 11 hours of daylight per day in January in Port Antonio11
    11 hours of daylight per day
  • Moderate heat & humidity in January in Port AntonioM
    Moderate heat & humidity
  • 7.3 inches monthly rainfall in January in Port Antonio7.3
    7.3 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in January in Port Antonio8
    8 (Very High) UV index
  • 81°F sea temperature in January in Port Antonio81
    81°F sea temperature

Back to months

Port Antonio weather in February

Expect daytime maximum temperatures of 84°F in Port Antonio, Jamaica in February based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 5.9 inches of rainfall in the month.

  • 84°F maximum daytime temperature in February in Port Antonio84
    84°F max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in February in Port Antonio6
    6 days with some rainfall
  • 66°F minimum night-time temperature in February in Port Antonio66
    66°F min night temperature
  • 12 hours of daylight per day in February in Port Antonio12
    12 hours of daylight per day
  • Moderate heat & humidity in February in Port AntonioM
    Moderate heat & humidity
  • 5.9 inches monthly rainfall in February in Port Antonio5.9
    5.9 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in February in Port Antonio10
    10 (Very High) UV index
  • 81°F sea temperature in February in Port Antonio81
    81°F sea temperature

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Port Antonio weather in March

Expect daytime maximum temperatures of 84°F in Port Antonio, Jamaica in March based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 3.0 inches of rainfall in the month.

  • 84°F maximum daytime temperature in March in Port Antonio84
    84°F max day temperature
  • 8 hours of sunshine per day
  • 6 days with some rainfall in March in Port Antonio6
    6 days with some rainfall
  • 66°F minimum night-time temperature in March in Port Antonio66
    66°F min night temperature
  • 12 hours of daylight per day in March in Port Antonio12
    12 hours of daylight per day
  • Moderate heat & humidity in March in Port AntonioM
    Moderate heat & humidity
  • 3.0 inches monthly rainfall in March in Port Antonio3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in Port Antonio11
    11+ (Extreme) UV index
  • 81°F sea temperature in March in Port Antonio81
    81°F sea temperature

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Port Antonio weather in April

Expect daytime maximum temperatures of 86°F in Port Antonio, Jamaica in April based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 5.8 inches of rainfall in the month.

  • 86°F maximum daytime temperature in April in Port Antonio86
    86°F max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in April in Port Antonio7
    7 days with some rainfall
  • 68°F minimum night-time temperature in April in Port Antonio68
    68°F min night temperature
  • 13 hours of daylight per day in April in Port Antonio13
    13 hours of daylight per day
  • Moderate heat & humidity in April in Port AntonioM
    Moderate heat & humidity
  • 5.8 inches monthly rainfall in April in Port Antonio5.8
    5.8 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Port Antonio11
    11+ (Extreme) UV index
  • 81°F sea temperature in April in Port Antonio81
    81°F sea temperature

Back to months

Port Antonio weather in May

Expect daytime maximum temperatures of 86°F in Port Antonio, Jamaica in May and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 10.9 inches of rainfall in the month.

  • 86°F maximum daytime temperature in May in Port Antonio86
    86°F max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in May in Port Antonio12
    12 days with some rainfall
  • 70°F minimum night-time temperature in May in Port Antonio70
    70°F min night temperature
  • 13 hours of daylight per day in May in Port Antonio13
    13 hours of daylight per day
  • Moderate heat & humidity in May in Port AntonioM
    Moderate heat & humidity
  • 10.9 inches monthly rainfall in May in Port Antonio10.9
    10.9 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Port Antonio11
    11+ (Extreme) UV index
  • 82°F sea temperature in May in Port Antonio82
    82°F sea temperature

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Port Antonio weather in June

Expect daytime maximum temperatures of 86°F in Port Antonio, Jamaica in June and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 9.3 inches of rainfall in the month.

  • 86°F maximum daytime temperature in June in Port Antonio86
    86°F max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in June in Port Antonio12
    12 days with some rainfall
  • 72°F minimum night-time temperature in June in Port Antonio72
    72°F min night temperature
  • 13 hours of daylight per day in June in Port Antonio13
    13 hours of daylight per day
  • High heat & humidity in June in Port AntonioH
    High heat & humidity
  • 9.3 inches monthly rainfall in June in Port Antonio9.3
    9.3 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Port Antonio11
    11+ (Extreme) UV index
  • 82°F sea temperature in June in Port Antonio82
    82°F sea temperature

Back to months

Port Antonio weather in July

Expect daytime maximum temperatures of 88°F in Port Antonio, Jamaica in July and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 13 days with some rainfall and typically 7.3 inches of rainfall in the month.

  • 88°F maximum daytime temperature in July in Port Antonio88
    88°F max day temperature
  • 8 hours of sunshine per day
  • 13 days with some rainfall in July in Port Antonio13
    13 days with some rainfall
  • 72°F minimum night-time temperature in July in Port Antonio72
    72°F min night temperature
  • 13 hours of daylight per day in July in Port Antonio13
    13 hours of daylight per day
  • High heat & humidity in July in Port AntonioH
    High heat & humidity
  • 7.3 inches monthly rainfall in July in Port Antonio7.3
    7.3 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in Port Antonio11
    11+ (Extreme) UV index
  • 84°F sea temperature in July in Port Antonio84
    84°F sea temperature

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Port Antonio weather in August

Expect daytime maximum temperatures of 88°F in Port Antonio, Jamaica in August and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 7.8 inches of rainfall in the month.

  • 88°F maximum daytime temperature in August in Port Antonio88
    88°F max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in August in Port Antonio13
    13 days with some rainfall
  • 72°F minimum night-time temperature in August in Port Antonio72
    72°F min night temperature
  • 13 hours of daylight per day in August in Port Antonio13
    13 hours of daylight per day
  • High heat & humidity in August in Port AntonioH
    High heat & humidity
  • 7.8 inches monthly rainfall in August in Port Antonio7.8
    7.8 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Port Antonio11
    11+ (Extreme) UV index
  • 84°F sea temperature in August in Port Antonio84
    84°F sea temperature

Back to months

Port Antonio weather in September

Expect daytime maximum temperatures of 86°F in Port Antonio, Jamaica in September and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 8.7 inches of rainfall in the month.

  • 86°F maximum daytime temperature in September in Port Antonio86
    86°F max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in September in Port Antonio14
    14 days with some rainfall
  • 72°F minimum night-time temperature in September in Port Antonio72
    72°F min night temperature
  • 12 hours of daylight per day in September in Port Antonio12
    12 hours of daylight per day
  • High heat & humidity in September in Port AntonioH
    High heat & humidity
  • 8.7 inches monthly rainfall in September in Port Antonio8.7
    8.7 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Port Antonio11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Port Antonio84
    84°F sea temperature

Back to months

Port Antonio weather in October

Expect daytime maximum temperatures of 86°F in Port Antonio, Jamaica in October and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 13.3 inches of rainfall in the month.

  • 86°F maximum daytime temperature in October in Port Antonio86
    86°F max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in October in Port Antonio16
    16 days with some rainfall
  • 70°F minimum night-time temperature in October in Port Antonio70
    70°F min night temperature
  • 12 hours of daylight per day in October in Port Antonio12
    12 hours of daylight per day
  • High heat & humidity in October in Port AntonioH
    High heat & humidity
  • 13.3 inches monthly rainfall in October in Port Antonio13.3
    13.3 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in October in Port Antonio10
    10 (Very High) UV index
  • 84°F sea temperature in October in Port Antonio84
    84°F sea temperature

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Port Antonio weather in November

Expect daytime maximum temperatures of 84°F in Port Antonio, Jamaica in November based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 13.9 inches of rainfall in the month.

  • 84°F maximum daytime temperature in November in Port Antonio84
    84°F max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in November in Port Antonio11
    11 days with some rainfall
  • 68°F minimum night-time temperature in November in Port Antonio68
    68°F min night temperature
  • 11 hours of daylight per day in November in Port Antonio11
    11 hours of daylight per day
  • Moderate heat & humidity in November in Port AntonioM
    Moderate heat & humidity
  • 13.9 inches monthly rainfall in November in Port Antonio13.9
    13.9 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in November in Port Antonio9
    9 (Very High) UV index
  • 82°F sea temperature in November in Port Antonio82
    82°F sea temperature

Back to months

Port Antonio weather in December

Expect daytime maximum temperatures of 84°F in Port Antonio, Jamaica in December based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 11.0 inches of rainfall in the month.

  • 84°F maximum daytime temperature in December in Port Antonio84
    84°F max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in December in Port Antonio8
    8 days with some rainfall
  • 66°F minimum night-time temperature in December in Port Antonio66
    66°F min night temperature
  • 11 hours of daylight per day in December in Port Antonio11
    11 hours of daylight per day
  • Moderate heat & humidity in December in Port AntonioM
    Moderate heat & humidity
  • 11.0 inches monthly rainfall in December in Port Antonio11.0
    11.0 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in December in Port Antonio8
    8 (Very High) UV index
  • 82°F sea temperature in December in Port Antonio82
    82°F sea temperature

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More about Port Antonio

Port Antonio by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Jamaica (Port Antonio) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Port Antonio, Jamaica hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
1.6%
1.9%
1.1%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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Compare Port Antonio with the UK

Below the Port Antonio chart shows average maximum daytime temperature for Port Antonio, Jamaica and the UK (London).

Maximum daytime temperature (°F)

Port Antonio, Jamaica
UK (London)
84
45
84
45
84
50
86
55
86
63
86
68
88
72
88
72
86
66
86
59
84
50
84
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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