Dominica weather

Get the latest coronavirus (Covid-19) updates for Dominica with current travel advice and statistics on new cases per 100,000 and vaccine.

Below are the temperatures expected today at popular destinations in Dominica. Select a destination to compare today's forecast with average weather conditions.

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The weather guide for Dominica shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

Which is the hottest month in Dominica?

The hottest time of year in Roseau, Dominica is normally September. Expect maximum daytime temperatures to reach 88°F with very high heat and humidity.

Which month has the most rain in Dominica?

In terms of rainfall, November is usually the wettest month in Roseau, Dominica with 9.9 inches on average. There are normally 19 days in November with some rain.

When is it sunniest in Dominica?

The sunniest time of year in Roseau, Dominica is normally April with bright sunshine on average for 66% of daylight hours; that's 8 hours of sunshine per day.

When is the sea warmest in Dominica?

The sea is usually at its warmest in Roseau, Dominica in September when the water temperature reaches 84°F.

Metric (°C)  |  Imperial (°F)

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Dominica weather overview

Dominica lies at the north end of the Windward Islands and has a mountainous central ridge with tropical rainforest. Its main rainy season is from June to December but showers can occur at any time and there is a possibility of hurricanes between July and November. As on other Caribbean Islands, temperatures are high throughout the year but never extreme.

Even during the hottest months, sea breezes counter the effects of heat and humidity although it can get muggy at night.

What to pack for Dominica weather

Light cotton clothing is appropriate for any time of the year along with cover-ups for the occasional chilly winter evening, and light rainwear.

Compare Dominica weather with the USA

Below the Dominica weather chart shows average maximum daytime temperature for Dominica (Roseau) and the USA (Washington).

Maximum daytime temperature (°F)

Dominica (Roseau)
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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