Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average UV index
Beautiful scenery with green vegetation and the vast blue water around the islands in St John, Virgin Islands
Weather in January
January, like December, in Saint John, United States Virgin Islands, is a moderately hot winter month, with temperature in the range of an average high of 82.4°F (28°C) and an average low of 69.8°F (21°C). The coldest months are January through March and December, with an average high-temperature of 82.4°F (28°C). Weather in January »
Weather in February
February, the last month of the winter in Saint John, is another warm month, with temperature in the range of an average high of 82.4°F (28°C) and an average low of 69.8°F (21°C). January through March and December, with an average high-temperature of 82.4°F (28°C), are the coldest months. The month with the least rainfall in Saint John is February, when the rain falls for 10 days and typically collects 2.13" (54mm) of precipitation. Weather in February »
Weather in March
March, the first month of the spring in Saint John, is also a moderately hot month, with an average temperature fluctuating between 82.4°F (28°C) and 69.8°F (21°C). January through March and December, with an average high-temperature of 82.4°F (28°C), are the coldest months. Weather in March »
Weather in April
April, like March, in Saint John, United States Virgin Islands, is another warm spring month, with an average temperature fluctuating between 71.6°F (22°C) and 84.2°F (29°C). In Saint John, the average high-temperature in April is relatively the same as in March - a still moderately hot 84.2°F (29°C). Weather in April »
Weather in May
The last month of the spring, May, is another warm month in Saint John, United States Virgin Islands, with temperature in the range of an average high of 84.2°F (29°C) and an average low of 73.4°F (23°C). In Saint John, the average high-temperature in May remains the same as in April - a still warm 84.2°F (29°C). Weather in May »
Weather in June
The first month of the summer, June, is a hot month in Saint John, United States Virgin Islands, with temperature in the range of an average low of 75.2°F (24°C) and an average high of 86°F (30°C). In June, the average high-temperature is practically the same as in May - a hot 86°F (30°C). Weather in June »
Weather in July
July, the same as June, in Saint John, United States Virgin Islands, is another tropical summer month, with temperature in the range of an average high of 86°F (30°C) and an average low of 75.2°F (24°C). In Saint John, the average high-temperature in July remains equal as in June - a still hot 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is another tropical month in Saint John, United States Virgin Islands, with an average temperature ranging between max 87.8°F (31°C) and min 75.2°F (24°C). August and September, with an average high-temperature of 87.8°F (31°C), are the warmest months. In Saint John, during 14 rainfall days, 4.88" (124mm) of precipitation is typically accumulated. Weather in August »
Weather in September
September, the first month of the autumn in Saint John, is still a hot month, with an average temperature ranging between min 75.2°F (24°C) and max 87.8°F (31°C). The warmest months are August and September, with an average high-temperature of 87.8°F (31°C). Weather in September »
Weather in October
October, the same as September, in Saint John, United States Virgin Islands, is another tropical autumn month, with an average temperature ranging between max 86°F (30°C) and min 75.2°F (24°C). In October, the average high-temperature is almost the same as in September - a still tropical 86°F (30°C). Weather in October »
Weather in November
The last month of the autumn, November, is another warm month in Saint John, United States Virgin Islands, with an average temperature ranging between min 73.4°F (23°C) and max 84.2°F (29°C). In November, the average high-temperature is relatively the same as in October - a warm 84.2°F (29°C). Weather in November »
Weather in December
The first month of the winter, December, is still a warm month in Saint John, United States Virgin Islands, with an average temperature fluctuating between 71.6°F (22°C) and 82.4°F (28°C). The coldest months are January through March and December, with an average high-temperature of 82.4°F (28°C). Weather in December »
[Resources]FAQ
What are the coldest months in Saint John?
January through March and December, with an average high-temperature of 82.4°F (28°C), are the coldest months in Saint John.
How many days does it rain in Saint John?
In Saint John, United States Virgin Islands, during the entire year, the rain falls for 156 days and collects up to 49.69" (1262mm) of precipitation.
What are the months with the coldest ocean in Saint John?
January through April, with an average ocean temperature of 78.8°F (26°C), are months with the coldest seawater in Saint John.
What is the driest month in Saint John?
February is the month with the least rainfall in Saint John, United States Virgin Islands. Rain falls for 10 days and accumulates 2.13" (54mm) of precipitation.
What are the months with the most sunshine in Saint John?
March, April, July and August, with an average of 9h of sunshine, are months with the most sunshine in Saint John.
When is the highest UV index in Saint John?
March through September, with an average maximum UV index of 12, are months with the highest UV index in Saint John.
When are the longest days in Saint John?
With an average of 13h and 13min of daylight, June has the longest days of the year.
What are the warmest months in Saint John?
August and September, with an average high-temperature of 87.8°F (31°C), are warmest months in Saint John, United States Virgin Islands.
When is the ocean warmest in Saint John?
September and October, with an average ocean temperature of 84.2°F (29°C), are months with the warmest seawater.
What is the rainiest month in Saint John?
The wettest months are October and November, with an average 6.34" (161mm) of rainfall.
What is the month with the least sunshine in Saint John?
November and December, with an average of 7h of sunshine, are months with the least sunshine in Saint John.
What is the month with the shortest days in Saint John?
December has the shortest days of the year in Saint John, United States Virgin Islands, with an average of 11h and 3min of daylight.
Is there Daylight Saving Time (DST) in Saint John?
Saint John does not observe Daylight Saving Time (DST). AST timezone is used over the entire year.
When is the lowest UV index in Saint John?
With an average maximum UV index of 7, December is the month with the lowest UV index in Saint John.
Average temperature
Saint John, VI
The warmest months (with the highest average high temperature) are August and September (88°F).
The months with the lowest average high temperature are January, February, March and December (82°F).
The months with the highest average low temperature are June, July, August, September and October (75°F).
The coldest months (with the lowest average low temperature) are January, February and March (70°F).
Average rainfall
Saint John, VI
The wettest months (with the highest rainfall) are October and November (6.3").
The driest month (with the least rainfall) is February (2.1").
Average rainfall days
Saint John, VI
- Average rainfall days in January:
14 days - Average rainfall days in February:
10 days - Average rainfall days in March:
10 days - Average rainfall days in April:
9 days - Average rainfall days in May:
12 days - Average rainfall days in June:
12 days
- Average rainfall days in July:
14 days - Average rainfall days in August:
14 days - Average rainfall days in September:
16 days - Average rainfall days in October:
16 days - Average rainfall days in November:
15 days - Average rainfall days in December:
14 days
The months with the highest number of rainy days are September and October (16 days).
The month with the least rainy days is April (9 days).
Average sea temperature
Saint John, VI
The best months for swimming (with the highest average sea temperature) are September and October (84°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (79°F).
Average daylight / Average sunshine
Saint John, VI
- Average daylight in January:
11h and 11min - Average daylight in February:
11h and 34min - Average daylight in March:
12h and 3min - Average daylight in April:
12h and 34min - Average daylight in May:
13h and 0min - Average daylight in June:
13h and 13min
- Average daylight in July:
13h and 7min - Average daylight in August:
12h and 44min - Average daylight in September:
12h and 14min - Average daylight in October:
11h and 43min - Average daylight in November:
11h and 17min - Average daylight in December:
11h and 3min
The month with the longest days is June (Average daylight: 13h and 13min).
The month with the shortest days is December (Average daylight: 11h and 3min).
The months with the most sunshine are March, April, July and August (Average sunshine: 9h).
The months with the least sunshine are November and December (Average sunshine: 7h).
Average UV index
Saint John, VI
The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).
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