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

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

July, the same as June, in St Johnston Village, Antigua and Barbuda, is another tropical summer month, with average temperature varying between 25°C (77°F) and 31°C (87.8°F).

Temperature

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

Rainfall

In St Johnston Village, in July, it is raining for 16 days, with typically 79mm (3.1") of accumulated precipitation. In St Johnston Village, during the entire year, the rain falls for 180 days and collects up to 1040mm (40.9") of precipitation.

Sea temperature

In July, the average sea temperature is 28°C (82.4°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In July, the average length of the day in St Johnston Village is 13h.

Sunshine

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

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index in St Johnston Village, Antigua and Barbuda. A UV Index estimate of 11, and higher, represents an extreme health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
The average daily UV index of 12 transform into the following instructions:
Take all necessary precautions, as unprotected skin can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What are the warmest months in St Johnston Village?

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

What is the temperature in July in St Johnston Village?

In July, in St Johnston Village, 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 St Johnston Village?

In St Johnston Village, in July, during 16 rainfall days, 79mm (3.1") of precipitation is typically accumulated.

What is the sea water temperature in July in St Johnston Village?

In July, 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.

What is the average length of the day in July in St Johnston Village?

In July, the average length of the day in St Johnston Village is 13h.

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

Months with the most sunshine in St Johnston Village are January through August, with an average of 8h of sunshine.

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

The average sunshine in July is 8h.

What is the month with the highest UV index in St Johnston Village?

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

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

The average daily maximum UV index in July is 12. A UV Index reading of 11, and higher, represents an extreme health threat from unprotected exposure to the UV radiation.
Average temperature in July - St Johnston Village, Antigua and Barbuda
  • Average high temperature in July: 31°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 July: 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 July - St Johnston Village, Antigua and Barbuda
  • Average rainfall in July: 79mm

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

Average rainfall days in July - St Johnston Village, 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 lowest number of rainy days is April (11 days).

Average sea temperature in July - St Johnston Village, 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).
Coldest months (with the lowest average sea temperature) are January, February, March and April (26°C).

Average daylight in July / Average sunshine in July - St Johnston Village, Antigua and Barbuda
  • Average daylight in July: 13h

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 July: 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 July - St Johnston Village, 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).