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

July weather forecast and climate
Jolly Harbour, Antigua and Barbuda

July, the same as June, in Jolly Harbour, Antigua and Barbuda, is another hot summer month, with average temperature fluctuating between 31°C (87.8°F) and 25°C (77°F).

Temperature

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

Rainfall

In Jolly Harbour, it is raining for 16 days, with typically 79mm (3.11") of accumulated precipitation. In Jolly Harbour, during the entire year, the rain falls for 180 days and collects up to 1040mm (40.94") of precipitation.

Sea temperature

In Jolly Harbour, in July, the average water temperature is 28°C (82.4°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In July, the average length of the day is 13h.

Sunshine

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

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index value of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 12 transform into the following instructions:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the warmest month in Jolly Harbour?

Warmest months in Jolly Harbour, Antigua and Barbuda, are July through September, with an average high-temperature of 31°C (87.8°F).

What is the temperature in July in Jolly Harbour?

In Jolly Harbour, Antigua and Barbuda, in July, the average high-temperature is 31°C (87.8°F), and the average low-temperature is 25°C (77°F).

How many days does it rain in July in Jolly Harbour?

In July, the rain falls for 16 days. Throughout July, 79mm (3.11") of precipitation is accumulated.

How warm is the water in July in Jolly Harbour?

In Jolly Harbour, in July, the average water temperature is 28°C (82.4°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Jolly Harbour have in July?

In Jolly Harbour, Antigua and Barbuda, the average length of the day in July is 13h.

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, Antigua and Barbuda.

How many hours of sunshine does Jolly Harbour have in July?

The average sunshine in July in Jolly Harbour, Antigua and Barbuda, is 8h.

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

Months with the highest UV index are March through September, with an average maximum UV index of 12.

How high is the UV index in July in Jolly Harbour?

The average daily maximum UV index in July in Jolly Harbour is 12. A UV Index of 11, and more, symbolizes an extreme health threat from unsafe exposure to the Sun's UV rays.
Average temperature in July - Jolly Harbour, Antigua and Barbuda
  • Average high temperature in July: 31°C

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).

  • Average low temperature in July: 25°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).

Average rainfall in July - Jolly Harbour, Antigua and Barbuda
  • Average rainfall in July: 79mm

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

Average rainfall days in July - Jolly Harbour, Antigua and Barbuda
  • Average rainfall days in July: 16 days

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).

Average sea temperature in July - Jolly Harbour, Antigua and Barbuda
  • Average sea temperature in July: 28°C

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).

Average daylight in July / Average sunshine in July - Jolly Harbour, Antigua and Barbuda
  • Average daylight in July: 13h

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

  • Average sunshine in July: 8h

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).

Average UV index in July - Jolly Harbour, Antigua and Barbuda
  • Average UV index in July: 12

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).