August weather forecast
Basseterre, Saint Kitts and Nevis

A bridge across the lovely waters leading to Basseterre, Saint Kitts, and Nevis
A bridge across the lovely waters leading to Basseterre, Saint Kitts, and Nevis

Weather in August

August, the last month of the summer in Basseterre, is another warm month, with an average temperature ranging between max 28.5°C (83.3°F) and min 27.6°C (81.7°F).

Temperature

In August, the average high-temperature is practically the same as in July - a still moderately hot 28.5°C (83.3°F). The average low-temperature, in Basseterre, is 27.6°C (81.7°F).

Heat index

The average heat index in August is calculated to be a tropical 33°C (91.4°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'feels like', or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (pregnancy, differences in body mass, height, and shape, metabolic differences), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The months with the highest humidity in Basseterre are May through August, with an average relative humidity of 78%.

Rainfall

In Basseterre, in August, it is raining for 18.8 days, with typically 43mm (1.69") of accumulated precipitation. Throughout the year, in Basseterre, there are 198.3 rainfall days, and 386mm (15.2") of precipitation is accumulated.

Sea temperature

In August, the average sea temperature in Basseterre 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

In Basseterre, the average length of the day in August is 12h and 41min.
On the first day of August, sunrise is at 05:50 and sunset at 18:44. On the last day of the month, sunrise is at 05:56 and sunset at 18:25 AST.

Sunshine

With an average of 10.7h of sunshine, August has the most sunshine of the year.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 7 in August transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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 the 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in August in Basseterre?

The average high-temperature, in August, is 28.5°C (83.3°F), while the average low-temperature is 27.6°C (81.7°F). in August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 33°C (91.4°F).

What are the most humid months in Basseterre?

The months with the highest humidity in Basseterre are May through August, with an average relative humidity of 78%.

What is the average humidity in August in Basseterre?

The average relative humidity in August in Basseterre is 78%.

How many days does it rain in August in Basseterre?

In August, in Basseterre, the rain falls for 18.8 days. Throughout August, 43mm (1.69") of precipitation is accumulated.

How warm is the water in August in Basseterre?

In Basseterre, in August, the average water 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.

What is the average length of the day in August in Basseterre?

The average day length in August in Basseterre, Saint Kitts and Nevis, is 12h and 41min.

When is the sunrise / sunset in August in Basseterre?

In August, on the first day of the month, sunrise is at 05:50 and sunset at 18:44. On the last day of the month, in Basseterre, sunrise is at 05:56 and sunset at 18:25 AST.

What month has the most sunshine in Basseterre?

With an average of 10.7h of sunshine, August has the most sunshine of the year in Basseterre, Saint Kitts and Nevis.

How many hours of sunshine does Basseterre have in August?

The average sunshine duration in August in Basseterre, Saint Kitts and Nevis, is 10.7h.

What is the month with the highest UV index in Basseterre?

January through December, with an average maximum UV index of 7, are months with the highest UV index in Basseterre.

What is the month with the lowest UV index in Basseterre?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Basseterre.

How high is the UV index in August in Basseterre?

In Basseterre, Saint Kitts and Nevis, the average daily maximum UV index in August is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in August
Basseterre, Saint Kitts and Nevis

Average temperature in August - Basseterre, Saint Kitts and Nevis
  • Average high temperature in August: 28.5°C

The warmest month (with the highest average high temperature) is September (28.7°C).
The month with the lowest average high temperature is March (25.8°C).

  • Average low temperature in August: 27.6°C

The month with the highest average low temperature is October (27.8°C).
The coldest month (with the lowest average low temperature) is March (24.9°C).

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Average pressure in August
Basseterre, Saint Kitts and Nevis

Average pressure in August - Basseterre, Saint Kitts and Nevis
  • Average pressure in August: 1014.6mbar

The months with the highest atmospheric pressure are January and June (1016.2mbar).
The months with the lowest atmospheric pressure are October and November (1012.5mbar).

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Average wind speed in August
Basseterre, Saint Kitts and Nevis

Average wind speed in August - Basseterre, Saint Kitts and Nevis
  • Average wind speed in August: 24.6km/h

The windiest month (with the highest average wind speed) is July (26.3km/h).
The calmest month (with the lowest average wind speed) is October (19.6km/h).

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Average humidity in August
Basseterre, Saint Kitts and Nevis

Average humidity in August - Basseterre, Saint Kitts and Nevis
  • Average humidity in August: 78%

The months with the highest relative humidity are May, June, July and August (78%).
The months with the lowest relative humidity are January, February, March and December (75%).

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Average rainfall in August
Basseterre, Saint Kitts and Nevis

Average rainfall in August - Basseterre, Saint Kitts and Nevis
  • Average rainfall in August: 43mm

The wettest month (with the highest rainfall) is October (51mm).
The driest month (with the least rainfall) is February (15mm).

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Average rainfall days in August
Basseterre, Saint Kitts and Nevis

Average rainfall days in August - Basseterre, Saint Kitts and Nevis
  • Average rainfall days in August: 18.8 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (12.6 days).

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Average sea temperature in August
Basseterre, Saint Kitts and Nevis

Average sea temperature in August - Basseterre, Saint Kitts and Nevis
  • Average sea temperature in August: 28°C

The best months for swimming (with the highest average sea temperature) are September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February and March (26°C).

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Average daylight in August /
Average sunshine in August
Basseterre, Saint Kitts and Nevis

Average daylight in August / Average sunshine in August - Basseterre, Saint Kitts and Nevis
  • Average daylight in August: 12h and 41min

The month with the longest days is June (Average daylight: 13h and 9min).
The month with the shortest days is December (Average daylight: 11h and 7min).

  • Average sunshine in August: 10h and 42min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

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Average sunshine days in August
Basseterre, Saint Kitts and Nevis

Average sunshine days in August - Basseterre, Saint Kitts and Nevis
  • Average sunshine days in August: 7.7 days

The month with the most sunshine days is June (11.2 days).
The month with the least sunshine days is May (7.6 days).

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Average UV index in August
Basseterre, Saint Kitts and Nevis

Average UV index in August - Basseterre, Saint Kitts and Nevis
  • Average UV index in August: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

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Average cloud cover in August
Basseterre, Saint Kitts and Nevis

Average cloud cover in August - Basseterre, Saint Kitts and Nevis
  • Average cloud cover in August: 39

The months with the most cloud cover are May, June and July (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 32).

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Average visibility in August
Basseterre, Saint Kitts and Nevis

Average visibility in August - Basseterre, Saint Kitts and Nevis
  • Average visibility in August: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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