The climate in Grande-Terre during August can be summarized as hot, humid and very wet.
August is in the summer in Grande-Terre and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 23°C (74°F) is normal.
Daytime temperature | 30.8°C 87.4°F |
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Nightly temperature | 23.3°C 73.9°F |
Average temperature | 27°C 80.6°F |
Daily sunshine | 8.4 hrs |
Avg rainfall | 210 mm 8.3 ins |
Rainy days | 18 days |
Sea temperature | 28.6°C 83.5°F |
Humidity | 80% |
Windspeed | 20.2kph 13 mph |
On average August is the 4th wettest month of the year in Grande-Terre with around 210mm 8.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.4 hours of sunshine per day.
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 Grande-Terre in August 2025.
Best places to visit in August
Hottest month: | July | 30.6°C 87.1°F |
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Driest month: | February | 68mm 2.7ins |
Sunniest month: | April | 8.6hrs |
Coldest month: | January | 28.1°C 82.6°F |
Wettest month: | October | 249mm 9.8ins |