Gros Islet Weather in August
What's the weather like in Gros Islet (Gros-Islet) in August 2025?
The climate in Gros Islet during August can be summarized as hot, humid and very wet.
August is in the summer in Gros Islet and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (87°F), whilst at night 24°C (76°F) is normal.
| Daytime temperature | 30.3°C 86.5°F |
|---|---|
| Nightly temperature | 24.4°C 75.8°F |
| Average temperature | 27.3°C 81.1°F |
| Daily sunshine | 8.7 hrs |
| Avg rainfall | 216 mm 8.5 ins |
| Rainy days | 20 days |
| Sea temperature | 28.6°C 83.6°F |
| Humidity | 83% |
| Windspeed | 14.8kph 9 mph |
On average August is the 5th wettest month of the year in Gros Islet with around 216mm 8.5 inches of rain making it a very wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.7 hours of sunshine per day.
August temperatures in Gros Islet
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Gros Islet in August 2025.
Other monthly averages
Best places to visit in August
Gros Islet weather stats
| Hottest month: | June | 29.9°C 85.8°F |
|---|---|---|
| Driest month: | March | 76mm 3ins |
| Sunniest month: | January | 8.7hrs |
| Coldest month: | January | 28.1°C 82.6°F |
| Wettest month: | October | 269mm 10.6ins |
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