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

April weather forecast and climate
Jolly Harbour, Antigua and Barbuda

April, like March, in Jolly Harbour, Antigua and Barbuda, is another warm spring month, with average temperature varying between 29°C (84.2°F) and 23°C (73.4°F).

Temperature

In April, the average high-temperature remains equal as in March - a still warm 29°C (84.2°F). In April, in Jolly Harbour, the average low-temperature is 23°C (73.4°F).

Rainfall

In Jolly Harbour, Antigua and Barbuda, during 11 rainfall days, 57mm (2.24") of precipitation is typically accumulated. Throughout the year, there are 180 rainfall days, and 1040mm (40.94") of precipitation is accumulated.

Sea temperature

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

The average length of the day in Jolly Harbour is 12.5h.

Sunshine

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

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index estimate of 11, and higher, represents an extreme health hazard from unsafe exposure to the UV radiation for the average 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in April in Jolly Harbour?

In Jolly Harbour, Antigua and Barbuda, in April, the average high-temperature is 29°C (84.2°F), and the average low-temperature is 23°C (73.4°F).

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

In Jolly Harbour, in April, during 11 rainfall days, 57mm (2.24") of precipitation is typically accumulated.

What are the months with the coldest sea water in Jolly Harbour?

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

What is the sea water temperature in April in Jolly Harbour?

In Jolly Harbour, in April, the average water temperature is 26°C (78.8°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.

What is the average length of the day in April in Jolly Harbour?

In April, the average length of the day in Jolly Harbour is 12.5h.

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.

How long on average sun shines in April in Jolly Harbour?

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

What are the months with 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, Antigua and Barbuda.

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

In April, the average daily maximum UV index in Jolly Harbour is 12. A UV Index value of 11, and more, symbolizes an extreme health threat from unsafe exposure to the Sun's UV rays.
Average temperature in April - Jolly Harbour, Antigua and Barbuda
  • Average high temperature in April: 29°C

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 April: 23°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 in April - Jolly Harbour, Antigua and Barbuda
  • Average rainfall in April: 57mm

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

Average rainfall days in April - Jolly Harbour, Antigua and Barbuda
  • Average rainfall days in April: 11 days

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 in April - Jolly Harbour, Antigua and Barbuda
  • Average sea temperature in April: 26°C

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 in April / Average sunshine in April - Jolly Harbour, Antigua and Barbuda
  • Average daylight in April: 12.5h

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

  • Average sunshine in April: 8h

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 in April - Jolly Harbour, Antigua and Barbuda
  • Average UV index in April: 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).