Monthly weather forecast and climate
Jolly Harbour, Antigua and Barbuda

Weather in January

January, like December, in Jolly Harbour, Antigua and Barbuda, is another warm winter month, with temperature in the range of an average low of 22°C (71.6°F) and an average high of 28°C (82.4°F). January and February, with an average high-temperature of 28°C (82.4°F), are the coldest months. In Jolly Harbour, during January, the rain falls for 16 days and regularly aggregates up to 67mm (2.64") of precipitation. Weather in January »

Weather in February

February, the last month of the winter, in Jolly Harbour, is also a moderately hot month, with temperature in the range of an average low of 22°C (71.6°F) and an average high of 28°C (82.4°F). The coldest months are January and February, with an average high-temperature of 28°C (82.4°F). The month with the least rainfall in Jolly Harbour is February when the rain falls for 13 days and typically collects 37mm (1.46") of precipitation. Weather in February »

Weather in March

The first month of the spring, March, is also a moderately hot month in Jolly Harbour, Antigua and Barbuda, with average temperature varying between 29°C (84.2°F) and 22°C (71.6°F). In March, the average high-temperature is practically the same as in February - a still warm 29°C (84.2°F). Weather in March »

Weather in April

April, the same as March, is another warm spring month in Jolly Harbour, Antigua and Barbuda, with average temperature fluctuating between 23°C (73.4°F) and 29°C (84.2°F). In Jolly Harbour, Antigua and Barbuda, the average high-temperature remains equal as in March - a still warm 29°C (84.2°F). Weather in April »

Weather in May

The last month of the spring, May, is a hot month in Jolly Harbour, Antigua and Barbuda, with average temperature ranging between max 30°C (86°F) and min 24°C (75.2°F). In May, the average high-temperature is practically the same as in April - a tropical 30°C (86°F). Weather in May »

Weather in June

June, the first month of the summer, in Jolly Harbour, is also a hot month, with average temperature varying between 30°C (86°F) and 25°C (77°F). In June, the average high-temperature remains the same as in May - a still hot 30°C (86°F). Weather in June »

Weather in July

July, the same as June, in Jolly Harbour, Antigua and Barbuda, is another tropical summer month, with temperature in the range of an average high of 31°C (87.8°F) and an average low of 25°C (77°F). July through September, with an average high-temperature of 31°C (87.8°F), are the warmest months. Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Jolly Harbour, Antigua and Barbuda, with average temperature fluctuating between 31°C (87.8°F) and 25°C (77°F). July through September, with an average high-temperature of 31°C (87.8°F), are the warmest months. Weather in August »

Weather in September

The first month of the autumn, September, is also a hot month in Jolly Harbour, Antigua and Barbuda, with temperature in the range of an average low of 25°C (77°F) and an average high of 31°C (87.8°F). July through September, with an average high-temperature of 31°C (87.8°F), are the warmest months. Weather in September »

Weather in October

October, like September, is another hot autumn month in Jolly Harbour, Antigua and Barbuda, with temperature in the range of an average high of 30°C (86°F) and an average low of 24°C (75.2°F). In Jolly Harbour, the average high-temperature in October is practically the same as in September - a still tropical 30°C (86°F). Weather in October »

Weather in November

The last month of the autumn, November, is another hot month in Jolly Harbour, Antigua and Barbuda, with average temperature fluctuating between 30°C (86°F) and 23°C (73.4°F). In Jolly Harbour, the average high-temperature remains the same as in October - a still hot 30°C (86°F). Weather in November »

Weather in December

December, the first month of the winter, in Jolly Harbour, is also a moderately hot month, with average temperature ranging between max 29°C (84.2°F) and min 23°C (73.4°F). In Jolly Harbour, the average high-temperature is practically the same as in November - a warm 29°C (84.2°F). Weather in December »
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FAQ

What is the coldest month in Jolly Harbour?

The coldest months in Jolly Harbour are January and February, with an average high-temperature of 28°C (82.4°F).

How much does it rain in Jolly Harbour?

In Jolly Harbour, during the entire year, the rain falls for 180 days and collects up to 1040mm (40.94") of precipitation.

What months are the sea coldest in Jolly Harbour?

Through and April, with an average sea temperature of 26°C (78.8°F).

What is the month with the most sunshine in Jolly Harbour?

January through August, with an average of 8h of sunshine, are months with the most sunshine in Jolly Harbour.

What are the months with the lowest UV index in Jolly Harbour?

January and December, with an average maximum UV index of 8, are months with the lowest UV index in Jolly Harbour.

What is the driest month in Jolly Harbour?

The month with the least rainfall is February when the rain falls for 13 days and typically collects 37mm (1.46") of precipitation.

When is the highest UV index in Jolly Harbour?

Months with the highest UV index in Jolly Harbour, Antigua and Barbuda, are March through September, with an average maximum UV index of 12.

When are the longest days in Jolly Harbour?

The month with the longest days is June, with an average of 13.1h of daylight.

What is the warmest month in Jolly Harbour?

Warmest months are July through September, with an average high-temperature of 31°C (87.8°F).

What is the wettest month in Jolly Harbour?

September is the month with the most rainfall. Rain falls for 17 days and accumulates 140mm (5.51") of precipitation.

When is the sea warmest in Jolly Harbour?

The month with the warmest seawater is September, with an average sea temperature of 29°C (84.2°F).

What is the month with the least sunshine in Jolly Harbour?

Months with the least sunshine are September through December, with an average of 7h of sunshine.

What is the month with the shortest days in Jolly Harbour?

The month with the shortest days in Jolly Harbour is December, with an average of 11.1h of daylight.

Average temperature
Jolly Harbour, Antigua and Barbuda

Average temperature - Jolly Harbour, Antigua and Barbuda

The warmest months (with the highest average high temperature) are July, August and September (31°C).
Months with the lowest average high temperature are January and February (28°C).

Months with the highest average low temperature are June, July, August and September (25°C).
The coldest months (with the lowest average low temperature) are January, February and March (22°C).

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Average rainfall
Jolly Harbour, Antigua and Barbuda

Average rainfall - Jolly Harbour, Antigua and Barbuda

The wettest month (with the highest rainfall) is September (140mm).
The driest month (with the least rainfall) is February (37mm).

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Average rainfall days
Jolly Harbour, Antigua and Barbuda

Average rainfall days - Jolly Harbour, Antigua and Barbuda

Months with the highest number of rainy days are September, October, November and December (17 days).
The month with the least rainy days is April (11 days).

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Average sea temperature
Jolly Harbour, Antigua and Barbuda

Average sea temperature - Jolly Harbour, Antigua and Barbuda

The best month for swimming (with the highest average sea temperature) is September (29°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (26°C).

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Average daylight / Average sunshine
Jolly Harbour, Antigua and Barbuda

Average daylight / Average sunshine - Jolly Harbour, Antigua and Barbuda

The month with the longest days is June (Average daylight: 13.1h).
The month with the shortest days is December (Average daylight: 11.1h).

Months with the most sunshine are January, February, March, April, May, June, July and August (Average sunshine: 8h).
Months with the least sunshine are September, October, November and December (Average sunshine: 7).

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Average UV index
Jolly Harbour, Antigua and Barbuda

Average UV index - Jolly Harbour, Antigua and Barbuda

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
Months with the lowest UV index are January and December (UV index 8).

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