Current Weather and Forecast in Roseau, Dominica
Dominica 🇩🇲
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About the weather in Roseau
Roseau has a tropical wet-and-dry climate. September is the warmest month, with average highs of 85°, and February the coldest, when nights fall to around 74°. September brings the most rain, on about 19 days, while April is the sunniest, with 11.8 hours of sunshine a day. Over a whole year it rains on roughly 222 days.
Roseau climate guide: monthly averages, seasons and the best time to visit
Common questions
Is there snow in Roseau?
Effectively no. The 2015-2024 record for Roseau shows no regular measurable snowfall.
What is the best month to go to Roseau?
The best time to visit Roseau is generally December to May, when humidity and rainfall are at their lowest, which is what actually varies here. Daytime temperatures in that window sit near 81°F (27°C), with rain on about 16 days a month. For the same question asked the other way round, see where else is warm in December.
When is Roseau at its hottest?
September, averaging 85°F (29°C) by day and 78°F (26°C) overnight. The hottest single day in our 2015-2024 record for this location reached 90°F (32°C).
What is the coldest month in Roseau?
February, with highs of 80°F (26°C) and lows near 74°F (23°C). The coldest day in the 2015-2024 record fell to 69°F (20°C).
What is the rainiest month in Roseau?
September, at 5.5 inches (139 mm) over about 19 days. April is the driest month, at 2.2 inches (56 mm).
What is the average temperature in Roseau?
79°F (26°C) across all twelve months - about 82°F (28°C) by day and 76°F (25°C) after dark.
How often does it rain in Roseau?
About 222 days bring measurable precipitation, totalling 43.4 inches (1102 mm). That works out at roughly 5.0 mm on an average wet day.