St Johnston Village
Antigua and Barbuda
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
St Johnston Village, Antigua and Barbuda

The first month of the summer, June, is also a hot month in St Johnston Village, Antigua and Barbuda, with average temperature fluctuating between 25°C (77°F) and 30°C (86°F).

Temperature

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

Rainfall

In St Johnston Village, in June, during 14 rainfall days, 70mm (2.76") of precipitation is typically accumulated. In St Johnston Village, during the entire year, the rain falls for 180 days and collects up to 1040mm (40.94") of precipitation.

Sea temperature

In St Johnston Village, Antigua and Barbuda, 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

With an average of 13.1h of daylight, June has the longest days of the year in St Johnston Village.

Sunshine

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

UV index

Months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an extreme threat to health from unsafe exposure to the UV radiation for average individuals.
Note: In June, the average maximum UV index of 12 translate into the following recommendations:
Take all necessary precautions, as unprotected skin can burn in 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. 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 June in St Johnston Village?

In June, the average high-temperature is 30°C (86°F), and the average low-temperature is 25°C (77°F).

How much does it rain in St Johnston Village in June?

In St Johnston Village, in June, during 14 rainfall days, 70mm (2.76") of precipitation is typically accumulated.

How warm is the water in June in St Johnston Village?

In June, the average sea temperature in St Johnston Village is 28°C (82.4°F). 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.

When are the longest days in St Johnston Village?

June has the longest days of the year in St Johnston Village, Antigua and Barbuda, with an average of 13.1h of daylight.

How many hours of daylight does St Johnston Village have in June?

The average length of the day in June in St Johnston Village is 13.1h.

What are the months with the most sunshine in St Johnston Village?

January through August, with an average of 8h of sunshine, are months with the most sunshine in St Johnston Village, Antigua and Barbuda.

How long on average sun shines in June in St Johnston Village?

In June, the average sunshine in St Johnston Village is 8h.

What are the months with the highest UV index in St Johnston Village?

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

What is the UV index reading in June in St Johnston Village?

The average daily maximum UV index in June in St Johnston Village, Antigua and Barbuda, is 12. A UV Index value of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV rays.
Average temperature in June - St Johnston Village, 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 - St Johnston Village, 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 - St Johnston Village, 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 - St Johnston Village, 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 - St Johnston Village, 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 - St Johnston Village, 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).