Basseterre
Saint Kitts and Nevis
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Basseterre, Saint Kitts and Nevis

A bridge across the lovely waters leading to Basseterre, Saint Kitts, and Nevis, with a distant view of the gorgeous mountain ranges
A bridge across the lovely waters leading to Basseterre, Saint Kitts, and Nevis, with a distant view of the gorgeous mountain ranges
August, the last month of the summer, in Basseterre, is another tropical month, with average temperature fluctuating between 31°C (87.8°F) and 25°C (77°F).

Temperature

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

Rainfall

In Basseterre, during 19 rainfall days, 118mm (4.6") of precipitation is typically accumulated. Throughout the year, there are 199 rainfall days, and 1061mm (41.8") of precipitation is accumulated.

Sea temperature

In August, 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

The average length of the day in August is 12.7h.

Sunshine

Months with the least sunshine are January through March, May through December, with an average of 8h of sunshine.

UV index

Months with the highest UV index in Basseterre, Saint Kitts and Nevis, are March through September, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV radiation for the ordinary person.
The daily maximum UV index of 12 in August interpret into the following advice:
Practice all-important precautions. Light skin people may get burned in less than 5 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the warmest month in Basseterre?

June through October, with an average high-temperature of 31°C (87.8°F), are warmest months in Basseterre, Saint Kitts and Nevis.

What is the temperature in August in Basseterre?

The average high-temperature, in August, is 31°C (87.8°F), while the average low-temperature is 25°C (77°F).

How many days does it rain in August in Basseterre?

In Basseterre, in August, during 19 rainfall days, 118mm (4.6") of precipitation is typically accumulated.

What is the sea water temperature in August in Basseterre?

In August, the average sea 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.

How many hours of daylight does Basseterre have in August?

In August, the average length of the day in Basseterre, Saint Kitts and Nevis, is 12.7h.

What is the month with the least sunshine in Basseterre?

January through March, May through December, with an average of 8h of sunshine, are months with the least sunshine in Basseterre, Saint Kitts and Nevis.

How long on average sun shines in August in Basseterre?

The average sunshine in August in Basseterre, Saint Kitts and Nevis, is 8h.

What are the months with the highest UV index in Basseterre?

Months with the highest UV index in Basseterre, Saint Kitts and Nevis, are March through September, with an average maximum UV index of 12.

How high is the UV index in August in Basseterre?

In August, the average daily maximum UV index in Basseterre is 12. A UV Index of 11, and more, symbolizes an extreme health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in August - Basseterre, Saint Kitts and Nevis
  • Average high temperature in August: 31°C

Warmest months (with the highest average high temperature) are June, July, August, September and October (31°C).
Months with the lowest average high temperature are January and February (28°C).

  • Average low temperature in August: 25°C

Months with the highest average low temperature are June, July, August, September and October (25°C).
Coldest months (with the lowest average low temperature) are January and February (22°C).

Average rainfall in August - Basseterre, Saint Kitts and Nevis
  • Average rainfall in August: 118mm

The wettest month (with the highest rainfall) is September (139mm).
The driest month (with the lowest rainfall) is March (36mm).

Average rainfall days in August - Basseterre, Saint Kitts and Nevis
  • Average rainfall days in August: 19 days

Months with the highest number of rainy days are October, November and December (20 days).
Months with the lowest number of rainy days are March, April and June (13 days).

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

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

Average daylight in August / Average sunshine in August - Basseterre, Saint Kitts and Nevis
  • Average daylight in August: 12.7h

The month with the longest days is June (Average daylight: 13.2h).
The month with shortest days is December (Average daylight: 11.1h).

  • Average sunshine in August: 8h

The month with most sunshine is April (Average sunshine: 9h).
Months with least sunshine are January, February, March, May, June, July, August, September, October, November and December (Average sunshine: 8).

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