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St. John, U.S. Virgin Islands Weather Averages

The wettest month is May with an average of 24mm of rain..

Average High Low Temperature St. John

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
-7-6-15101618171372-502916212729282417102JanFebMarAprMayJunJulAugSepOctNovDec

Average Rainfall St. John

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
0000000000009812222423242419171210JanFebMarAprMayJunJulAugSepOctNovDecDaysMM

Chance of Sunny Day St. John

What is Chance of Sunny Day?
By taking the maximum available sunny hours in a day (ie: from sunrise to sunset) and the actual sunhsine hours measured. So if there are 12 hours of daylight time and 6 hours of sunshine, it is 50%
What is Chance of Sunny Day?
By taking the maximum available sunny hours in a day (ie: from sunrise to sunset) and the actual sunhsine hours measured. So if there are 12 hours of daylight time and 6 hours of sunshine, it is 50%
323938474964676660454132JanFebMarAprMayJunJulAugSepOctNovDec%

Chance of Rain St. John

What is Chance of Rain?
This is based on historical weather data, how many days has it rained in the past during this month over a period of years of recorded weather
What is Chance of Rain?
This is based on historical weather data, how many days has it rained in the past during this month over a period of years of recorded weather
151628424445403333423324JanFebMarAprMayJunJulAugSepOctNovDec%

Chance of Windy Day St. John

What is Chance of Windy Day?
Taking historical wind data for a month at a certain threshold wind speed. Take the number of days the wind was above this threshold, and divide that by the days in the month to determine the chance of a windy day
What is Chance of Windy Day?
Taking historical wind data for a month at a certain threshold wind speed. Take the number of days the wind was above this threshold, and divide that by the days in the month to determine the chance of a windy day
36293035209638173030JanFebMarAprMayJunJulAugSepOctNovDec%

Chance of Cloudy Day St. John

What is Chance of Cloudy Day?
This is based on the sunshine hours per day minus the daylight hours, if the sunshine hours are less than half of the daylight hours, it is labeled a cloudy day
What is Chance of Cloudy Day?
This is based on the sunshine hours per day minus the daylight hours, if the sunshine hours are less than half of the daylight hours, it is labeled a cloudy day
4242352721125914283647JanFebMarAprMayJunJulAugSepOctNovDec%

Chance of Fog Day St. John

What is Chance of Fog Day?
Based on historical weather data, this percentage is determined by the chance of fog for that month over a preiod of years
What is Chance of Fog Day?
Based on historical weather data, this percentage is determined by the chance of fog for that month over a preiod of years
3442452812667JanFebMarAprMayJunJulAugSepOctNovDec%

Chance of Snow Day St. John

What is Chance of Snow Day?
Based on historical weather data, this percentage is determined by the chance of snow for that month over a preiod of years
What is Chance of Snow Day?
Based on historical weather data, this percentage is determined by the chance of snow for that month over a preiod of years
4237244000000836JanFebMarAprMayJunJulAugSepOctNovDec%

St. John : Next 24-Hour Weather

Tomorrow - 29th April 2025

Sunrise 05:50

Sunrise

Sunset 19:47

Sunset
20:00
Partly cloudy
15°C (58°F)
21:00
Partly cloudy
15°C (58°F)
22:00
Partly cloudy
14°C (56°F)
23:00
Cloudy
13°C (55°F)

Tomorrow - 30th April 2025

Sunrise 05:50

Sunrise

Sunset 19:47

Sunset
0:00
Cloudy
12°C (53°F)
1:00
Cloudy
12°C (52°F)
2:00
Cloudy
11°C (51°F)
3:00
Cloudy
11°C (51°F)
4:00
Partly cloudy
10°C (49°F)
5:00
Overcast
9°C (48°F)
6:00
Overcast
9°C (48°F)
7:00
Overcast
9°C (48°F)
8:00
Overcast
10°C (49°F)
9:00
Cloudy
11°C (51°F)
10:00
Overcast
12°C (54°F)
11:00
Overcast
14°C (56°F)
12:00
Overcast
14°C (57°F)
13:00
Overcast
14°C (57°F)
14:00
Overcast
14°C (56°F)
15:00
Overcast
13°C (55°F)
16:00
Overcast
12°C (53°F)
17:00
Overcast
11°C (52°F)
18:00
Overcast
11°C (51°F)
19:00
Light rain
11°C (51°F)
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