St Croix weather by month

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

Temperature in St Croix (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
82°F maximum daytime temperature in January in St Croix82
82°F maximum daytime temperature in February in St Croix82
84°F maximum daytime temperature in March in St Croix84
84°F maximum daytime temperature in April in St Croix84
86°F maximum daytime temperature in May in St Croix86
86°F maximum daytime temperature in June in St Croix86
88°F maximum daytime temperature in July in St Croix88
88°F maximum daytime temperature in August in St Croix88
88°F maximum daytime temperature in September in St Croix88
88°F maximum daytime temperature in October in St Croix88
86°F maximum daytime temperature in November in St Croix86
84°F maximum daytime temperature in December in St Croix84
Min temperature (night-time)
72°F minimum night-time temperature in January in St Croix72
70°F minimum night-time temperature in February in St Croix70
72°F minimum night-time temperature in March in St Croix72
72°F minimum night-time temperature in April in St Croix72
73°F minimum night-time temperature in May in St Croix73
75°F minimum night-time temperature in June in St Croix75
77°F minimum night-time temperature in July in St Croix77
77°F minimum night-time temperature in August in St Croix77
75°F minimum night-time temperature in September in St Croix75
75°F minimum night-time temperature in October in St Croix75
73°F minimum night-time temperature in November in St Croix73
72°F minimum night-time temperature in December in St Croix72
Heat & Humidity
Moderate heat & humidity in January in St CroixM
Moderate heat & humidity in February in St CroixM
Moderate heat & humidity in March in St CroixM
High heat & humidity in April in St CroixH
High heat & humidity in May in St CroixH
High heat & humidity in June in St CroixH
High heat & humidity in July in St CroixH
Very high heat & humidity in August in St CroixVH
Very high heat & humidity in September in St CroixVH
High heat & humidity in October in St CroixH
High heat & humidity in November in St CroixH
Moderate heat & humidity in December in St CroixM
Sea temperature
79°F sea temperature in January in St Croix79
79°F sea temperature in February in St Croix79
79°F sea temperature in March in St Croix79
81°F sea temperature in April in St Croix81
81°F sea temperature in May in St Croix81
82°F sea temperature in June in St Croix82
82°F sea temperature in July in St Croix82
84°F sea temperature in August in St Croix84
84°F sea temperature in September in St Croix84
84°F sea temperature in October in St Croix84
82°F sea temperature in November in St Croix82
81°F sea temperature in December in St Croix81

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

Sunshine & UV index in St Croix

  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 St Croix11
12 hours of daylight per day in February in St Croix12
12 hours of daylight per day in March in St Croix12
13 hours of daylight per day in April in St Croix13
13 hours of daylight per day in May in St Croix13
13 hours of daylight per day in June in St Croix13
13 hours of daylight per day in July in St Croix13
13 hours of daylight per day in August in St Croix13
12 hours of daylight per day in September in St Croix12
12 hours of daylight per day in October in St Croix12
11 hours of daylight per day in November in St Croix11
11 hours of daylight per day in December in St Croix11
UV Index (Maximum)
UV (maximum) index 8 (Very High) in January in St Croix8
UV (maximum) index 10 (Very High) in February in St Croix10
UV (maximum) index 11+ (Extreme) in March in St Croix11
UV (maximum) index 11+ (Extreme) in April in St Croix11
UV (maximum) index 11+ (Extreme) in May in St Croix11
UV (maximum) index 11+ (Extreme) in June in St Croix11
UV (maximum) index 11+ (Extreme) in July in St Croix11
UV (maximum) index 11+ (Extreme) in August in St Croix11
UV (maximum) index 11+ (Extreme) in September in St Croix11
UV (maximum) index 10 (Very High) in October in St Croix10
UV (maximum) index 9 (Very High) in November in St Croix9
UV (maximum) index 8 (Very High) in December in St Croix8

Rainfall in St Croix

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
19 days with some rainfall in January in St Croix19
15 days with some rainfall in February in St Croix15
14 days with some rainfall in March in St Croix14
13 days with some rainfall in April in St Croix13
15 days with some rainfall in May in St Croix15
15 days with some rainfall in June in St Croix15
18 days with some rainfall in July in St Croix18
19 days with some rainfall in August in St Croix19
18 days with some rainfall in September in St Croix18
19 days with some rainfall in October in St Croix19
20 days with some rainfall in November in St Croix20
21 days with some rainfall in December in St Croix21
Average monthly rainfall (inches)
2.6 inches monthly rainfall in January in St Croix2.6
1.7 inches monthly rainfall in February in St Croix1.7
1.7 inches monthly rainfall in March in St Croix1.7
2.7 inches monthly rainfall in April in St Croix2.7
4.3 inches monthly rainfall in May in St Croix4.3
2.6 inches monthly rainfall in June in St Croix2.6
3.0 inches monthly rainfall in July in St Croix3.0
4.4 inches monthly rainfall in August in St Croix4.4
5.4 inches monthly rainfall in September in St Croix5.4
5.5 inches monthly rainfall in October in St Croix5.5
5.7 inches monthly rainfall in November in St Croix5.7
4.3 inches monthly rainfall in December in St Croix4.3

More about the St Croix

St Croix by month

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

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The climate guide for Virgin Islands (St Croix) 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 St Croix?

St Croix has a hot tropical climate with a winter dry season.

St Croix weather in January

Expect daytime maximum temperatures of 82°F in St Croix, Virgin Islands in January based on long-term weather averages. There are 8 hours of sunshine per day on average with 19 days with some rainfall and typically 2.6 inches of rainfall in the month.

  • 82°F maximum daytime temperature in January in St Croix82
    82°F max day temperature
  • 8 hours of sunshine per day
  • 19 days with some rainfall in January in St Croix19
    19 days with some rainfall
  • 72°F minimum night-time temperature in January in St Croix72
    72°F min night temperature
  • 11 hours of daylight per day in January in St Croix11
    11 hours of daylight per day
  • Moderate heat & humidity in January in St CroixM
    Moderate heat & humidity
  • 2.6 inches monthly rainfall in January in St Croix2.6
    2.6 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in January in St Croix8
    8 (Very High) UV index
  • 79°F sea temperature in January in St Croix79
    79°F sea temperature

Back to months

St Croix weather in February

Expect daytime maximum temperatures of 82°F in St Croix, Virgin Islands in February based on long-term weather averages. There are 8 hours of sunshine per day on average with 15 days with some rainfall and typically 1.7 inches of rainfall in the month.

  • 82°F maximum daytime temperature in February in St Croix82
    82°F max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in February in St Croix15
    15 days with some rainfall
  • 70°F minimum night-time temperature in February in St Croix70
    70°F min night temperature
  • 12 hours of daylight per day in February in St Croix12
    12 hours of daylight per day
  • Moderate heat & humidity in February in St CroixM
    Moderate heat & humidity
  • 1.7 inches monthly rainfall in February in St Croix1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in February in St Croix10
    10 (Very High) UV index
  • 79°F sea temperature in February in St Croix79
    79°F sea temperature

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St Croix weather in March

Expect daytime maximum temperatures of 84°F in St Croix, Virgin Islands in March based on long-term weather averages. There are 9 hours of sunshine per day on average with 14 days with some rainfall and typically 1.7 inches of rainfall in the month.

  • 84°F maximum daytime temperature in March in St Croix84
    84°F max day temperature
  • 9 hours of sunshine per day
  • 14 days with some rainfall in March in St Croix14
    14 days with some rainfall
  • 72°F minimum night-time temperature in March in St Croix72
    72°F min night temperature
  • 12 hours of daylight per day in March in St Croix12
    12 hours of daylight per day
  • Moderate heat & humidity in March in St CroixM
    Moderate heat & humidity
  • 1.7 inches monthly rainfall in March in St Croix1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in St Croix11
    11+ (Extreme) UV index
  • 79°F sea temperature in March in St Croix79
    79°F sea temperature

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St Croix weather in April

Expect daytime maximum temperatures of 84°F in St Croix, Virgin Islands in April and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 13 days with some rainfall and typically 2.7 inches of rainfall in the month.

  • 84°F maximum daytime temperature in April in St Croix84
    84°F max day temperature
  • 9 hours of sunshine per day
  • 13 days with some rainfall in April in St Croix13
    13 days with some rainfall
  • 72°F minimum night-time temperature in April in St Croix72
    72°F min night temperature
  • 13 hours of daylight per day in April in St Croix13
    13 hours of daylight per day
  • High heat & humidity in April in St CroixH
    High heat & humidity
  • 2.7 inches monthly rainfall in April in St Croix2.7
    2.7 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in St Croix11
    11+ (Extreme) UV index
  • 81°F sea temperature in April in St Croix81
    81°F sea temperature

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St Croix weather in May

Expect daytime maximum temperatures of 86°F in St Croix, Virgin Islands in May and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 15 days with some rainfall and typically 4.3 inches of rainfall in the month.

  • 86°F maximum daytime temperature in May in St Croix86
    86°F max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in May in St Croix15
    15 days with some rainfall
  • 73°F minimum night-time temperature in May in St Croix73
    73°F min night temperature
  • 13 hours of daylight per day in May in St Croix13
    13 hours of daylight per day
  • High heat & humidity in May in St CroixH
    High heat & humidity
  • 4.3 inches monthly rainfall in May in St Croix4.3
    4.3 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in St Croix11
    11+ (Extreme) UV index
  • 81°F sea temperature in May in St Croix81
    81°F sea temperature

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St Croix weather in June

Expect daytime maximum temperatures of 86°F in St Croix, Virgin Islands in June and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 15 days with some rainfall and typically 2.6 inches of rainfall in the month.

  • 86°F maximum daytime temperature in June in St Croix86
    86°F max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in June in St Croix15
    15 days with some rainfall
  • 75°F minimum night-time temperature in June in St Croix75
    75°F min night temperature
  • 13 hours of daylight per day in June in St Croix13
    13 hours of daylight per day
  • High heat & humidity in June in St CroixH
    High heat & humidity
  • 2.6 inches monthly rainfall in June in St Croix2.6
    2.6 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in St Croix11
    11+ (Extreme) UV index
  • 82°F sea temperature in June in St Croix82
    82°F sea temperature

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St Croix weather in July

Expect daytime maximum temperatures of 88°F in St Croix, Virgin Islands in July and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 18 days with some rainfall and typically 3.0 inches of rainfall in the month.

  • 88°F maximum daytime temperature in July in St Croix88
    88°F max day temperature
  • 9 hours of sunshine per day
  • 18 days with some rainfall in July in St Croix18
    18 days with some rainfall
  • 77°F minimum night-time temperature in July in St Croix77
    77°F min night temperature
  • 13 hours of daylight per day in July in St Croix13
    13 hours of daylight per day
  • High heat & humidity in July in St CroixH
    High heat & humidity
  • 3.0 inches monthly rainfall in July in St Croix3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in St Croix11
    11+ (Extreme) UV index
  • 82°F sea temperature in July in St Croix82
    82°F sea temperature

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St Croix weather in August

Expect daytime maximum temperatures of 88°F in St Croix, Virgin Islands in August and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 19 days with some rainfall and typically 4.4 inches of rainfall in the month.

  • 88°F maximum daytime temperature in August in St Croix88
    88°F max day temperature
  • 9 hours of sunshine per day
  • 19 days with some rainfall in August in St Croix19
    19 days with some rainfall
  • 77°F minimum night-time temperature in August in St Croix77
    77°F min night temperature
  • 13 hours of daylight per day in August in St Croix13
    13 hours of daylight per day
  • Very high heat & humidity in August in St CroixVH
    Very High heat & humidity
  • 4.4 inches monthly rainfall in August in St Croix4.4
    4.4 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in St Croix11
    11+ (Extreme) UV index
  • 84°F sea temperature in August in St Croix84
    84°F sea temperature

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St Croix weather in September

Expect daytime maximum temperatures of 88°F in St Croix, Virgin Islands in September and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 18 days with some rainfall and typically 5.4 inches of rainfall in the month.

  • 88°F maximum daytime temperature in September in St Croix88
    88°F max day temperature
  • 8 hours of sunshine per day
  • 18 days with some rainfall in September in St Croix18
    18 days with some rainfall
  • 75°F minimum night-time temperature in September in St Croix75
    75°F min night temperature
  • 12 hours of daylight per day in September in St Croix12
    12 hours of daylight per day
  • Very high heat & humidity in September in St CroixVH
    Very High heat & humidity
  • 5.4 inches monthly rainfall in September in St Croix5.4
    5.4 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in St Croix11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in St Croix84
    84°F sea temperature

Back to months

St Croix weather in October

Expect daytime maximum temperatures of 88°F in St Croix, Virgin Islands in October and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 19 days with some rainfall and typically 5.5 inches of rainfall in the month.

  • 88°F maximum daytime temperature in October in St Croix88
    88°F max day temperature
  • 8 hours of sunshine per day
  • 19 days with some rainfall in October in St Croix19
    19 days with some rainfall
  • 75°F minimum night-time temperature in October in St Croix75
    75°F min night temperature
  • 12 hours of daylight per day in October in St Croix12
    12 hours of daylight per day
  • High heat & humidity in October in St CroixH
    High heat & humidity
  • 5.5 inches monthly rainfall in October in St Croix5.5
    5.5 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in October in St Croix10
    10 (Very High) UV index
  • 84°F sea temperature in October in St Croix84
    84°F sea temperature

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St Croix weather in November

Expect daytime maximum temperatures of 86°F in St Croix, Virgin Islands in November and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 20 days with some rainfall and typically 5.7 inches of rainfall in the month.

  • 86°F maximum daytime temperature in November in St Croix86
    86°F max day temperature
  • 7 hours of sunshine per day
  • 20 days with some rainfall in November in St Croix20
    20 days with some rainfall
  • 73°F minimum night-time temperature in November in St Croix73
    73°F min night temperature
  • 11 hours of daylight per day in November in St Croix11
    11 hours of daylight per day
  • High heat & humidity in November in St CroixH
    High heat & humidity
  • 5.7 inches monthly rainfall in November in St Croix5.7
    5.7 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in November in St Croix9
    9 (Very High) UV index
  • 82°F sea temperature in November in St Croix82
    82°F sea temperature

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St Croix weather in December

Expect daytime maximum temperatures of 84°F in St Croix, Virgin Islands in December and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 21 days with some rainfall and typically 4.3 inches of rainfall in the month.

  • 84°F maximum daytime temperature in December in St Croix84
    84°F max day temperature
  • 7 hours of sunshine per day
  • 21 days with some rainfall in December in St Croix21
    21 days with some rainfall
  • 72°F minimum night-time temperature in December in St Croix72
    72°F min night temperature
  • 11 hours of daylight per day in December in St Croix11
    11 hours of daylight per day
  • Moderate heat & humidity in December in St CroixM
    Moderate heat & humidity
  • 4.3 inches monthly rainfall in December in St Croix4.3
    4.3 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in December in St Croix8
    8 (Very High) UV index
  • 81°F sea temperature in December in St Croix81
    81°F sea temperature

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More about the St Croix

St Croix by month

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

Recommended for the Virgin Islands

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  • Check out best deals on all-inclusive summer sailings
  • Book cruises to the Med including 30th Birthday sailings
  • Filter deals by departure port, party size & duration
Go to Marella Cruises deal >>

View all Marella Cruises offers

Marella CruisesCruise deal finder

The climate guide for Virgin Islands (St Croix) 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.

Tropical storm risk: St Croix, Virgin Islands hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
2.3%
3.6%
1.3%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Compare St Croix weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for St Croix, Virgin Islands and the UK (London).

Maximum daytime temperature (°F)

St Croix, Virgin Islands
UK (London)
82
45
82
45
84
50
84
55
86
63
86
68
88
72
88
72
88
66
88
59
86
50
84
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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