Jolly Harbour
Antigua and Barbuda
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Jolly Harbour, Antigua and Barbuda

January, like December, in Jolly Harbour, Antigua and Barbuda, is another warm winter month, with average temperature varying between 28°C (82.4°F) and 22°C (71.6°F). The coldest months are January and February, with an average high-temperature of 28°C (82.4°F). In Jolly Harbour, it is raining for 16 days, with typically 67mm (2.6") of accumulated precipitation. Weather in January »
February, the last month of the winter, in Jolly Harbour, is another warm month, with average temperature ranging between max 28°C (82.4°F) and min 22°C (71.6°F). The coldest months are January and February, with an average high-temperature of 28°C (82.4°F). Weather in February »

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

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

May, the last month of the spring, in Jolly Harbour, is a tropical month, with average temperature fluctuating between 24°C (75.2°F) and 30°C (86°F). In Jolly Harbour, the average high-temperature is relatively the same as in April - a tropical 30°C (86°F). Weather in May »

The first month of the summer, June, is also a hot month in Jolly Harbour, Antigua and Barbuda, with average temperature fluctuating 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 »

July, the same as June, in Jolly Harbour, Antigua and Barbuda, is a hot summer month, with average temperature ranging between max 31°C (87.8°F) and min 25°C (77°F). July through September, with an average high-temperature of 31°C (87.8°F), are the warmest months. In July, in Jolly Harbour, the rain falls for 16 days. Weather in July »

August, the last month of the summer, in Jolly Harbour, is another hot 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). The warmest months are July through September, with an average high-temperature of 31°C (87.8°F). In Jolly Harbour, it is raining for 16 days, with typically 124mm (4.9") of accumulated precipitation. Weather in August »

The first month of the autumn, September, is still 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 »

October, the same as September, in Jolly Harbour, Antigua and Barbuda, is a hot autumn month, with average temperature ranging between min 24°C (75.2°F) and max 30°C (86°F). In October, the average high-temperature is relatively the same as in September - a still tropical 30°C (86°F). Weather in October »

The last month of the autumn, November, is also a 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 equal as in October - a still hot 30°C (86°F). Weather in November »

The first month of the winter, December, is still a warm month in Jolly Harbour, Antigua and Barbuda, with average temperature ranging between min 23°C (73.4°F) and max 29°C (84.2°F). In Jolly Harbour, Antigua and Barbuda, the average high-temperature is relatively the same as in November - a warm 29°C (84.2°F). Weather in December »

What is the coldest month in Jolly Harbour?

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

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 (40.9") of precipitation.

When is the sea coldest in Jolly Harbour?

January through April, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater.

What are the months 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.

When is the lowest UV index in Jolly Harbour?

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

What is the driest month in Jolly Harbour?

February is the month with the least rainfall in Jolly Harbour. Rain falls for 13 days and accumulates 37mm (1.5") of precipitation.

When is the highest UV index in Jolly Harbour?

March through September, with an average maximum UV index of 12, are months with the highest UV index in Jolly Harbour.

When are the longest days in Jolly Harbour?

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

What are the warmest months in Jolly Harbour?

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

What is the rainiest month in Jolly Harbour?

September is the month with the most rainfall. Rain falls for 17 days and accumulates 140mm (5.5") of precipitation.

What month is the sea warmest in Jolly Harbour?

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

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

Months with the least sunshine in Jolly Harbour, Antigua and Barbuda, are September through December, with an average of 7h of sunshine.

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

With an average of 11.1h of daylight, December has the shortest days of the year.
Average temperature - Jolly Harbour, Antigua and Barbuda

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).
Coldest months (with the lowest average low temperature) are January, February and March (22°C).

Average rainfall - 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 lowest number of rainy days is April (11 days).

Average sea temperature - Jolly Harbour, Antigua and Barbuda

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

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

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

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

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).