August weather forecast
Saint Kitts and Nevis

August in Saint Kitts and Nevis sees the peak of the tropical summer season. Temperatures during this month range between 27°C (80.6°F) to 31°C (87.8°F), making it one of the hottest periods of the year. However, the consistent trade winds that blow across the islands help to alleviate the heat, maintaining a pleasantly warm climate.

Rainfall in August sees a small increase, averaging 100mm (3.94"). Despite being in the wet season, rainfall remains relatively moderate and showers typically short-lived, ensuring continued sunny intervals for outdoor pursuits and relaxation.

In line with the previous months, the island of Nevis, due to its mountainous terrain, experiences marginally cooler conditions and slightly more rainfall compared to Saint Kitts. Nonetheless, these variations are minimal and do not greatly impact the overall pleasant climate.

Sea temperatures in August stay consistent at a warm 28°C (82.4°F), providing excellent conditions for swimming, snorkeling, and a range of other water sports. With an average of 8 hours of daily sunshine, there are plenty of opportunities to enjoy the islands' outdoor attractions and beautiful beaches.

Winds during August, averaging 28km/h (17.4mph), offer a cooling respite from the summer heat. These breezes contribute to a comfortable and enjoyable atmosphere, particularly for beach-based activities.

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• Basseterre - August »
  The month with the most sunshine in Basseterre is August, with an average of 10.7h of sunshine. In Basseterre in August, the average water temperature is 28°C (82.4°F).
• Fig Tree - August »
  May through August, with an average relative humidity of 78%, are the most humid months in Fig Tree. The month with the most sunshine in Fig Tree is August, with an average of 10.1h of sunshine.
• Nevis - August »
  In Nevis in August, during 19 rainfall days, 118mm (4.65") of precipitation is typically accumulated. In Nevis the average seawater temperature in August is 28°C (82.4°F).
• Dieppe Bay Town - August »
  In August, sea temperatures reach the year's absolute peak at 29.4°C (84.9°F), endorsing the pinnacle of summer in Dieppe Bay Town, Saint Kitts, and Nevis. In Dieppe Bay Town, in August, the average water temperature is 29.1°C (84.4°F).
• Cotton Ground - August »
  May through August, with an average relative humidity of 78%, are most humid months in Cotton Ground, Saint Kitts and Nevis. With an average of 10.6h of sunshine, August has the most sunshine of the year in Cotton Ground, Saint Kitts and Nevis.
• Butlers - August »
  The month with the most sunshine in Butlers, Saint Kitts and Nevis, is August, with an average of 10.6h of sunshine. In August, in Butlers, Saint Kitts and Nevis, the rain falls for 21.4 days.