August weather forecast
St Johnston Village, Antigua and Barbuda

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Weather in August

August is a month of unusual weather extremities in St Johnston Village. The annual rainfall high is achieved at a hefty 124mm (4.88") occurring over 16 days. Despite the downpour, the sea retains its warmth at 28°C (82.4°F), a perfect invitation for a relaxing dip. Daylight shrinks slightly to 12.7 hours, slightly tempering the heat without affecting the overall sunny disposition of the month. The sustained UV Index of 12 signifies the unfaltering necessity of using sun protection.

Temperature

The height of temperatures is seen during July through September, averaging a high-temperature of 31°C (87.8°F).

Rainfall

In St Johnston Village, during August, the rain falls for 16 days and regularly aggregates up to 124mm (4.88") of precipitation. 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, the average seawater temperature in August is 28°C (82.4°F).
Note: For activities such as swimming and diving, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as particularly pleasant and satisfying for prolonged periods without feeling uneasy.

Daylight

In August, the average length of the day is 12h and 41min.
On the first day of August in St Johnston Village, sunrise is at 05:47 and sunset at 18:40. On the last day of the month, sunrise is at 05:53 and sunset at 18:21 AST.

Sunshine

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

UV index

The months with the highest UV index in St Johnston Village are March through September, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 12 during August translates into these guidelines:
Execute all vital precautions. Preventing sun damage is of utmost importance. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Despite the clouds, sunscreen with an SPF of at least 30 should be used liberally and reapplied frequently, especially after a swim or outdoor workout. Stay aware! UV radiation is magnified when reflecting off sand and water.

Frequently asked questions

What part of the year is the hottest in St Johnston Village?

July through September are the warmest months in St Johnston Village, Antigua and Barbuda, with an average high-temperature of 31°C (87.8°F).

How hot is August in St Johnston Village?

In St Johnston Village, in August, 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 August in St Johnston Village?

In St Johnston Village, in August, during 16 rainfall days, 124mm (4.88") of precipitation is typically accumulated.

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

In St Johnston Village, Antigua and Barbuda, the average seawater temperature in August 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 St Johnston Village have in August?

In August, the average day length in St Johnston Village is 12h and 41min.

When is the sunrise / sunset in August in St Johnston Village?

On the first day of August in St Johnston Village, Antigua and Barbuda, sunrise is at 05:47 and sunset at 18:40. On the last day of the month, sunrise is at 05:53 and sunset at 18:21 AST.

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.

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

In August, the average sunshine duration is 8h.

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

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

How high is the UV index in August in St Johnston Village?

The average daily maximum UV index in August in St Johnston Village is 12. A UV Index value of 11, and more, symbolizes an extreme health vulnerability from exposure to Sun's UV rays.
Average low temperature
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in August
St Johnston Village, Antigua and Barbuda

Average temperature in August - St Johnston Village, Antigua and Barbuda
  • Average high temperature in August: 31°C

The warmest months (with the highest average high temperature) are July, August and September (31°C).
The months with the lowest average high temperature are January and February (28°C).

  • Average low temperature in August: 25°C

The 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 August
St Johnston Village, Antigua and Barbuda

Average rainfall in August - St Johnston Village, Antigua and Barbuda
  • Average rainfall in August: 124mm

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

Average rainfall days in August
St Johnston Village, Antigua and Barbuda

Average rainfall days in August - St Johnston Village, Antigua and Barbuda
  • Average rainfall days in August: 16 days

The 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 August
St Johnston Village, Antigua and Barbuda

Average sea temperature in August - St Johnston Village, Antigua and Barbuda
  • Average sea temperature in August: 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 August /
Average sunshine in August
St Johnston Village, Antigua and Barbuda

Average daylight in August / Average sunshine in August - St Johnston Village, Antigua and Barbuda
  • Average daylight in August: 12h and 4min

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).

  • Average sunshine in August: 8h

The months with the most sunshine are January, February, March, April, May, June, July and August (Average sunshine: 8h).
The months with the least sunshine are September, October, November and December (Average sunshine: 7h).

Average UV index in August
St Johnston Village, Antigua and Barbuda

Average UV index in August - St Johnston Village, Antigua and Barbuda
  • Average UV index in August: 12

The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The months with the lowest UV index are January and December (UV index 8).

St Johnston Village, Antigua and Barbuda

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