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 (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
29°C maximum daytime temperature in January in Port Antonio29
29°C maximum daytime temperature in February in Port Antonio29
29°C maximum daytime temperature in March in Port Antonio29
30°C maximum daytime temperature in April in Port Antonio30
30°C maximum daytime temperature in May in Port Antonio30
30°C maximum daytime temperature in June in Port Antonio30
31°C maximum daytime temperature in July in Port Antonio31
31°C maximum daytime temperature in August in Port Antonio31
30°C maximum daytime temperature in September in Port Antonio30
30°C maximum daytime temperature in October in Port Antonio30
29°C maximum daytime temperature in November in Port Antonio29
29°C maximum daytime temperature in December in Port Antonio29
Min temperature (night-time)
18°C minimum night-time temperature in January in Port Antonio18
19°C minimum night-time temperature in February in Port Antonio19
19°C minimum night-time temperature in March in Port Antonio19
20°C minimum night-time temperature in April in Port Antonio20
21°C minimum night-time temperature in May in Port Antonio21
22°C minimum night-time temperature in June in Port Antonio22
22°C minimum night-time temperature in July in Port Antonio22
22°C minimum night-time temperature in August in Port Antonio22
22°C minimum night-time temperature in September in Port Antonio22
21°C minimum night-time temperature in October in Port Antonio21
20°C minimum night-time temperature in November in Port Antonio20
19°C minimum night-time temperature in December in Port Antonio19
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
27°C sea temperature in January in Port Antonio27
27°C sea temperature in February in Port Antonio27
27°C sea temperature in March in Port Antonio27
27°C sea temperature in April in Port Antonio27
28°C sea temperature in May in Port Antonio28
28°C sea temperature in June in Port Antonio28
29°C sea temperature in July in Port Antonio29
29°C sea temperature in August in Port Antonio29
29°C sea temperature in September in Port Antonio29
29°C sea temperature in October in Port Antonio29
28°C sea temperature in November in Port Antonio28
28°C sea temperature in December in Port Antonio28

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 (mm)
185 mm monthly rainfall in January in Port Antonio185
149 mm monthly rainfall in February in Port Antonio149
75 mm monthly rainfall in March in Port Antonio75
148 mm monthly rainfall in April in Port Antonio148
276 mm monthly rainfall in May in Port Antonio276
236 mm monthly rainfall in June in Port Antonio236
185 mm monthly rainfall in July in Port Antonio185
197 mm monthly rainfall in August in Port Antonio197
220 mm monthly rainfall in September in Port Antonio220
337 mm monthly rainfall in October in Port Antonio337
352 mm monthly rainfall in November in Port Antonio352
279 mm monthly rainfall in December in Port Antonio279

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 29°C in Port Antonio, Jamaica in January based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 185 mm of rainfall in the month.

  • 29°C maximum daytime temperature in January in Port Antonio29
    29°C max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in January in Port Antonio7
    7 days with some rainfall
  • 18°C minimum night-time temperature in January in Port Antonio18
    18°C 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
  • 185 mm monthly rainfall in January in Port Antonio185
    185 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in January in Port Antonio8
    8 (Very High) UV index
  • 27°C sea temperature in January in Port Antonio27
    27°C sea temperature

Back to months

Port Antonio weather in February

Expect daytime maximum temperatures of 29°C in Port Antonio, Jamaica in February based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 149 mm of rainfall in the month.

  • 29°C maximum daytime temperature in February in Port Antonio29
    29°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in February in Port Antonio6
    6 days with some rainfall
  • 19°C minimum night-time temperature in February in Port Antonio19
    19°C 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
  • 149 mm monthly rainfall in February in Port Antonio149
    149 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in February in Port Antonio10
    10 (Very High) UV index
  • 27°C sea temperature in February in Port Antonio27
    27°C sea temperature

Back to months

Port Antonio weather in March

Expect daytime maximum temperatures of 29°C in Port Antonio, Jamaica in March based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 75 mm of rainfall in the month.

  • 29°C maximum daytime temperature in March in Port Antonio29
    29°C max day temperature
  • 8 hours of sunshine per day
  • 6 days with some rainfall in March in Port Antonio6
    6 days with some rainfall
  • 19°C minimum night-time temperature in March in Port Antonio19
    19°C 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
  • 75 mm monthly rainfall in March in Port Antonio75
    75 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in Port Antonio11
    11+ (Extreme) UV index
  • 27°C sea temperature in March in Port Antonio27
    27°C sea temperature

Back to months

Port Antonio weather in April

Expect daytime maximum temperatures of 30°C in Port Antonio, Jamaica in April based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 148 mm of rainfall in the month.

  • 30°C maximum daytime temperature in April in Port Antonio30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in April in Port Antonio7
    7 days with some rainfall
  • 20°C minimum night-time temperature in April in Port Antonio20
    20°C 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
  • 148 mm monthly rainfall in April in Port Antonio148
    148 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Port Antonio11
    11+ (Extreme) UV index
  • 27°C sea temperature in April in Port Antonio27
    27°C sea temperature

Back to months

Port Antonio weather in May

Expect daytime maximum temperatures of 30°C 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 276 mm of rainfall in the month.

  • 30°C maximum daytime temperature in May in Port Antonio30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in May in Port Antonio12
    12 days with some rainfall
  • 21°C minimum night-time temperature in May in Port Antonio21
    21°C 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
  • 276 mm monthly rainfall in May in Port Antonio276
    276 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Port Antonio11
    11+ (Extreme) UV index
  • 28°C sea temperature in May in Port Antonio28
    28°C sea temperature

Back to months

Port Antonio weather in June

Expect daytime maximum temperatures of 30°C 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 236 mm of rainfall in the month.

  • 30°C maximum daytime temperature in June in Port Antonio30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in June in Port Antonio12
    12 days with some rainfall
  • 22°C minimum night-time temperature in June in Port Antonio22
    22°C 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
  • 236 mm monthly rainfall in June in Port Antonio236
    236 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Port Antonio11
    11+ (Extreme) UV index
  • 28°C sea temperature in June in Port Antonio28
    28°C sea temperature

Back to months

Port Antonio weather in July

Expect daytime maximum temperatures of 31°C 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 185 mm of rainfall in the month.

  • 31°C maximum daytime temperature in July in Port Antonio31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 13 days with some rainfall in July in Port Antonio13
    13 days with some rainfall
  • 22°C minimum night-time temperature in July in Port Antonio22
    22°C 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
  • 185 mm monthly rainfall in July in Port Antonio185
    185 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in Port Antonio11
    11+ (Extreme) UV index
  • 29°C sea temperature in July in Port Antonio29
    29°C sea temperature

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Port Antonio weather in August

Expect daytime maximum temperatures of 31°C 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 197 mm of rainfall in the month.

  • 31°C maximum daytime temperature in August in Port Antonio31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in August in Port Antonio13
    13 days with some rainfall
  • 22°C minimum night-time temperature in August in Port Antonio22
    22°C 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
  • 197 mm monthly rainfall in August in Port Antonio197
    197 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Port Antonio11
    11+ (Extreme) UV index
  • 29°C sea temperature in August in Port Antonio29
    29°C sea temperature

Back to months

Port Antonio weather in September

Expect daytime maximum temperatures of 30°C 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 220 mm of rainfall in the month.

  • 30°C maximum daytime temperature in September in Port Antonio30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in September in Port Antonio14
    14 days with some rainfall
  • 22°C minimum night-time temperature in September in Port Antonio22
    22°C 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
  • 220 mm monthly rainfall in September in Port Antonio220
    220 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Port Antonio11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Port Antonio29
    29°C sea temperature

Back to months

Port Antonio weather in October

Expect daytime maximum temperatures of 30°C 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 337 mm of rainfall in the month.

  • 30°C maximum daytime temperature in October in Port Antonio30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in October in Port Antonio16
    16 days with some rainfall
  • 21°C minimum night-time temperature in October in Port Antonio21
    21°C 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
  • 337 mm monthly rainfall in October in Port Antonio337
    337 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in October in Port Antonio10
    10 (Very High) UV index
  • 29°C sea temperature in October in Port Antonio29
    29°C sea temperature

Back to months

Port Antonio weather in November

Expect daytime maximum temperatures of 29°C 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 352 mm of rainfall in the month.

  • 29°C maximum daytime temperature in November in Port Antonio29
    29°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in November in Port Antonio11
    11 days with some rainfall
  • 20°C minimum night-time temperature in November in Port Antonio20
    20°C 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
  • 352 mm monthly rainfall in November in Port Antonio352
    352 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in November in Port Antonio9
    9 (Very High) UV index
  • 28°C sea temperature in November in Port Antonio28
    28°C sea temperature

Back to months

Port Antonio weather in December

Expect daytime maximum temperatures of 29°C in Port Antonio, Jamaica in December based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 279 mm of rainfall in the month.

  • 29°C maximum daytime temperature in December in Port Antonio29
    29°C max day temperature
  • 7 hours of sunshine per day
  • 8 days with some rainfall in December in Port Antonio8
    8 days with some rainfall
  • 19°C minimum night-time temperature in December in Port Antonio19
    19°C 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
  • 279 mm monthly rainfall in December in Port Antonio279
    279 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in December in Port Antonio8
    8 (Very High) UV index
  • 28°C sea temperature in December in Port Antonio28
    28°C 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 / mm)  |  Imperial (°F / inches)

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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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More about Jamaica

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 (°C)

Port Antonio, Jamaica
UK (London)
29
7
29
7
29
10
30
13
30
17
30
20
31
22
31
22
30
19
30
15
29
10
29
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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