The climate in Cap-Haïtien during August can be summarized as hot, humid and a little damp.
August is in the summer in Cap-Haïtien and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 22°C (72°F) is normal.
Daytime temperature | 32.6°C 90.6°F |
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Nightly temperature | 22.3°C 72.1°F |
Average temperature | 27.4°C 81.3°F |
Daily sunshine | 8.5 hrs |
Avg rainfall | 100 mm 3.9 ins |
Rainy days | 14 days |
Sea temperature | 29°C 84.3°F |
Humidity | 75% |
Windspeed | 10.8kph 7 mph |
On average August is the 3rd driest month of the year in Cap-Haïtien with around 100mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.5 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 Cap-Haïtien in August 2025.
Best places to visit in August
Hottest month: | August | 32.3°C 90.1°F |
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Driest month: | March | 90mm 3.5ins |
Sunniest month: | March | 8hrs |
Coldest month: | January | 28.3°C 82.9°F |
Wettest month: | November | 209mm 8.2ins |