Roseau Weather in August

The climate in Roseau during August can be summarized as mild and reasonably dry.

August is in the summer in Roseau and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (76°F), whilst at night 10°C (51°F) is normal.

On average August is the 3rd wettest month of the year in Roseau with around 78mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.7 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 Roseau in August 2024.