St John weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in St John (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	28	28	28	29	29	30	30	31	31	30	29	28
Min temperature (night-time)	21	21	21	22	23	24	24	24	24	24	23	22
Heat & Humidity	M	M	M	M	H	H	H	H	H	H	H	M
Sea temperature	26	26	26	26	27	28	28	28	29	29	28	27

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

Sunshine & UV index in St John

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	8	8	9	9	8	8	9	9	8	8	7	7
Daily hours of daylight	11	12	12	13	13	13	13	13	12	12	11	11
UV Index (Maximum)	8	10	11	11	11	11	11	11	11	10	8	7

Rainfall in St John

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	14	10	10	9	12	12	14	14	16	16	15	14
Average monthly rainfall (mm)	68	54	57	88	129	73	85	124	143	161	161	119

More about the St John

St John 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 John) 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 John?

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

St John weather in January

Expect daytime maximum temperatures of 28°C in St John, Virgin Islands in January based on long-term weather averages. There are 8 hours of sunshine per day on average with 14 days with some rainfall and typically 68 mm of rainfall in the month.

28
28°C max day temperature
8
8 hours of sunshine per day
14
14 days with some rainfall
21
21°C min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
68
68 mm of monthly rainfall
8
8 (Very High) UV index
26
26°C sea temperature

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St John weather in February

Expect daytime maximum temperatures of 28°C in St John, Virgin Islands in February based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 54 mm of rainfall in the month.

28
28°C max day temperature
8
8 hours of sunshine per day
10
10 days with some rainfall
21
21°C min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
54
54 mm of monthly rainfall
10
10 (Very High) UV index
26
26°C sea temperature

Back to months

St John weather in March

Expect daytime maximum temperatures of 28°C in St John, Virgin Islands in March based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 57 mm of rainfall in the month.

28
28°C max day temperature
9
9 hours of sunshine per day
10
10 days with some rainfall
21
21°C min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
57
57 mm of monthly rainfall
11
11+ (Extreme) UV index
26
26°C sea temperature

Back to months

St John weather in April

Expect daytime maximum temperatures of 29°C in St John, Virgin Islands in April based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 88 mm of rainfall in the month.

29
29°C max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
22
22°C min night temperature
13
13 hours of daylight per day
M
Moderate heat & humidity
88
88 mm of monthly rainfall
11
11+ (Extreme) UV index
26
26°C sea temperature

Back to months

St John weather in May

Expect daytime maximum temperatures of 29°C in St John, 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 12 days with some rainfall and typically 129 mm of rainfall in the month.

29
29°C max day temperature
8
8 hours of sunshine per day
12
12 days with some rainfall
23
23°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
129
129 mm of monthly rainfall
11
11+ (Extreme) UV index
27
27°C sea temperature

Back to months

St John weather in June

Expect daytime maximum temperatures of 30°C in St John, 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 12 days with some rainfall and typically 73 mm of rainfall in the month.

30
30°C max day temperature
8
8 hours of sunshine per day
12
12 days with some rainfall
24
24°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
73
73 mm of monthly rainfall
11
11+ (Extreme) UV index
28
28°C sea temperature

Back to months

St John weather in July

Expect daytime maximum temperatures of 30°C in St John, 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 14 days with some rainfall and typically 85 mm of rainfall in the month.

30
30°C max day temperature
9
9 hours of sunshine per day
14
14 days with some rainfall
24
24°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
85
85 mm of monthly rainfall
11
11+ (Extreme) UV index
28
28°C sea temperature

Back to months

St John weather in August

Expect daytime maximum temperatures of 31°C in St John, Virgin Islands in August and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 14 days with some rainfall and typically 124 mm of rainfall in the month.

31
31°C max day temperature
9
9 hours of sunshine per day
14
14 days with some rainfall
24
24°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
124
124 mm of monthly rainfall
11
11+ (Extreme) UV index
28
28°C sea temperature

Back to months

St John weather in September

Expect daytime maximum temperatures of 31°C in St John, Virgin Islands in September and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 16 days with some rainfall and typically 143 mm of rainfall in the month.

31
31°C max day temperature
8
8 hours of sunshine per day
16
16 days with some rainfall
24
24°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
143
143 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

Back to months

St John weather in October

Expect daytime maximum temperatures of 30°C in St John, 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 16 days with some rainfall and typically 161 mm of rainfall in the month.

30
30°C max day temperature
8
8 hours of sunshine per day
16
16 days with some rainfall
24
24°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
161
161 mm of monthly rainfall
10
10 (Very High) UV index
29
29°C sea temperature

Back to months

St John weather in November

Expect daytime maximum temperatures of 29°C in St John, 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 15 days with some rainfall and typically 161 mm of rainfall in the month.

29
29°C max day temperature
7
7 hours of sunshine per day
15
15 days with some rainfall
23
23°C min night temperature
11
11 hours of daylight per day
H
High heat & humidity
161
161 mm of monthly rainfall
8
8 (Very High) UV index
28
28°C sea temperature

Back to months

St John weather in December

Expect daytime maximum temperatures of 28°C in St John, Virgin Islands in December based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 119 mm of rainfall in the month.