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

June weather forecast and climate
Jolly Harbour, Antigua and Barbuda

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).

Temperature

In June, the average high-temperature remains the same as in May - a still hot 30°C (86°F). In June, the average low-temperature is 25°C (77°F).

Rainfall

In Jolly Harbour, during 14 rainfall days, 70mm (2.8") of precipitation is typically accumulated. In Jolly Harbour, Antigua and Barbuda, during the entire year, the rain falls for 180 days and collects up to 1040mm (40.9") of precipitation.

Sea temperature

In Jolly Harbour, the average water temperature is 28°C (82.4°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

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

Sunshine

Months with the most sunshine in Jolly Harbour, Antigua and Barbuda, 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 ultimate health vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 12 interpret into the following advice:
Practice all essential precautions. Protection against sun damage is crucial. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in June in Jolly Harbour?

The average high-temperature, in June, in Jolly Harbour, Antigua and Barbuda, is 30°C (86°F), while the average low-temperature is 25°C (77°F).

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

In June, in Jolly Harbour, Antigua and Barbuda, the rain falls for 14 days. Throughout June, 70mm (2.8") of precipitation is accumulated.

What is the water temperature in June in Jolly Harbour?

In Jolly Harbour, in June, 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.

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 is the average length of the day in June in Jolly Harbour?

In June, the average length of the day in Jolly Harbour is 13.1h.

What are the months with the most sunshine in Jolly Harbour?

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

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

In June, the average sunshine 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.

What is the UV index intensity in June in Jolly Harbour?

In Jolly Harbour, the average daily maximum UV index in June is 12. A UV Index reading of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV radiation.
Average temperature in June - Jolly Harbour, Antigua and Barbuda
  • Average high temperature in June: 30°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 June: 25°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 June - Jolly Harbour, Antigua and Barbuda
  • Average rainfall in June: 70mm

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

Average rainfall days in June - Jolly Harbour, Antigua and Barbuda
  • Average rainfall days in June: 14 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 June - Jolly Harbour, Antigua and Barbuda
  • Average sea temperature in June: 28°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 June / Average sunshine in June - Jolly Harbour, Antigua and Barbuda
  • Average daylight in June: 13.1h

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