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 (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
28°C maximum daytime temperature in January in St Croix28
28°C maximum daytime temperature in February in St Croix28
29°C maximum daytime temperature in March in St Croix29
29°C maximum daytime temperature in April in St Croix29
30°C maximum daytime temperature in May in St Croix30
30°C maximum daytime temperature in June in St Croix30
31°C maximum daytime temperature in July in St Croix31
31°C maximum daytime temperature in August in St Croix31
31°C maximum daytime temperature in September in St Croix31
31°C maximum daytime temperature in October in St Croix31
30°C maximum daytime temperature in November in St Croix30
29°C maximum daytime temperature in December in St Croix29
Min temperature (night-time)
22°C minimum night-time temperature in January in St Croix22
21°C minimum night-time temperature in February in St Croix21
22°C minimum night-time temperature in March in St Croix22
22°C minimum night-time temperature in April in St Croix22
23°C minimum night-time temperature in May in St Croix23
24°C minimum night-time temperature in June in St Croix24
25°C minimum night-time temperature in July in St Croix25
25°C minimum night-time temperature in August in St Croix25
24°C minimum night-time temperature in September in St Croix24
24°C minimum night-time temperature in October in St Croix24
23°C minimum night-time temperature in November in St Croix23
22°C minimum night-time temperature in December in St Croix22
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
26°C sea temperature in January in St Croix26
26°C sea temperature in February in St Croix26
26°C sea temperature in March in St Croix26
27°C sea temperature in April in St Croix27
27°C sea temperature in May in St Croix27
28°C sea temperature in June in St Croix28
28°C sea temperature in July in St Croix28
29°C sea temperature in August in St Croix29
29°C sea temperature in September in St Croix29
29°C sea temperature in October in St Croix29
28°C sea temperature in November in St Croix28
27°C sea temperature in December in St Croix27

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

Sunshine & Daylight 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 (mm)
66 mm monthly rainfall in January in St Croix66
44 mm monthly rainfall in February in St Croix44
44 mm monthly rainfall in March in St Croix44
69 mm monthly rainfall in April in St Croix69
108 mm monthly rainfall in May in St Croix108
65 mm monthly rainfall in June in St Croix65
76 mm monthly rainfall in July in St Croix76
111 mm monthly rainfall in August in St Croix111
137 mm monthly rainfall in September in St Croix137
139 mm monthly rainfall in October in St Croix139
145 mm monthly rainfall in November in St Croix145
109 mm monthly rainfall in December in St Croix109

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.

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

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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

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Compare St Croix with the USA

Below the St Croix chart shows average maximum daytime temperature for St Croix, Virgin Islands and the USA (Washington).

Maximum daytime temperature (°C)

St Croix, Virgin Islands
USA (Washington)
28
5
28
7
29
13
29
19
30
24
30
29
31
31
31
30
31
26
31
20
30
14
29
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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