August weather forecast
Jamaica

August in Jamaica is one of the warmest months, with the wet season in full swing. Daytime temperatures frequently exceed 30°C (86°F) in the plains, and the heat can often feel intense. Nonetheless, the coastal regions are more temperate due to the cooling effect of sea breezes.

Night-time temperatures in the lowlands rarely drop below 21.1°C (70°F), offering balmy, warm evenings perfect for enjoying the vibrant nightlife. Meanwhile, the mountains maintain a cooler climate, with temperatures ranging from 15°C (59°F) to 22.2°C (72°F), providing a refreshing contrast to the lowlands.

Rainfall in August continues to be high compared to the drier months, with showers often becoming more frequent and intense. However, the rain typically falls in the afternoon, ensuring that mornings and early evenings remain relatively dry and suitable for outdoor activities.

Sunshine hours in August remain generous, averaging about 8 hours per day. This allows for continued enjoyment of the island's beautiful beaches, such as those in Negril and Montego Bay, even in the height of the wet season.

Wind speeds in August typically range from 19.3km/h (12mph) to 24.1km/h (15mph). However, gusts can occasionally be stronger in the build-up to afternoon showers, offering some relief from the heat.

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• Kingston - August »
  In Kingston in August, the average water temperature is 29.4°C (84.9°F). In Kingston in August, the average water temperature is 29.4°C (84.9°F).
• Montego Bay - August »
  July and August, with an average high-temperature of 32°C (89.6°F), are marked as the warmest months in Montego Bay, Jamaica. The peak of Montego Bay's temperatures is noted during July and August, averaging a high-temperature of 32°C (89.6°F).
• Portmore - August »
  In Portmore in August, the average water temperature is 29.4°C (84.9°F). On the last day of August, in Portmore sunrise is at 05:53 and sunset at 18:22 EST.
• Mandeville - August »
  In Mandeville in August, it is raining for 25.2 days, with typically 145mm (5.71") of accumulated precipitation. July and August, with an average of 10.4h of sunshine, are months with the most sunshine in Mandeville, Jamaica.
• Old Harbour - August »
  With the peak sea temperature reaching 29.5°C (85.1°F), August marks the warmest month in Old Harbour. On the first day of August in Old Harbour, sunrise is at 05:47 and sunset at 18:42.
• Port Antonio - August »
  Port Antonio's average highest temperatures are recorded in July and August, reaching a high of 31°C (87.8°F). On the last day of August, in Port Antonio, sunrise is at 05:51 and sunset at 18:20 EST.
• Saint Ann's Bay - August »
  The months with the warmest seawater in Saint Ann's Bay are August and September, with an average sea temperature of 29.8°C (85.6°F). The temperatures in Saint Ann's Bay reach their highest averages in August, with highs of 29.7°C (85.5°F) and lows of 26.3°C (79.3°F).
• Bog Walk - August »
  The months with the lowest humidity in Bog Walk, Jamaica, are March, July and August, with an average relative humidity of 77%. In Bog Walk, during August, the rain falls for 24.9 days and regularly aggregates up to 80mm (3.15") of precipitation.
• Constant Spring - August »
  In Constant Spring, during August, the rain falls for 27.8 days and regularly aggregates up to 131mm (5.16") of precipitation. On the first day of August in Constant Spring, sunrise is at 05:45 and sunset at 18:41.
• Ewarton - August »
  The months of July and August are noted for their peak temperatures in Ewarton with an average high-temperature of 31.7°C (89.1°F). March, July and August, with an average relative humidity of 77%, are the least humid months in Ewarton.