Roseau weather

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  • Roseau climate averages by month
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The weather guide for Roseau, 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 Roseau?

The hottest time of year in Roseau is normally September. Expect maximum daytime temperatures to reach 31°C with very high heat and humidity.

Which month has the most rain in Roseau?

In terms of rainfall, November is usually the wettest month in Roseau with 252mm on average. There are normally 19 days in November with some rain.

When is it sunniest in Roseau?

The sunniest time of year in Roseau 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 Roseau?

The sea is usually at its warmest in Roseau in September when the water temperature reaches 29°C.

Metric (°C / mm)  |  Imperial (°F / inches)

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Compare Roseau weather with the USA

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

Maximum daytime temperature (°C)

Roseau, Dominica
USA (Washington)
29
5
29
7
30
13
30
19
31
24
31
29
31
31
31
30
31
26
31
20
30
14
29
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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Tropical storm risk: Roseau, Dominica hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
<1%
2.8%
4%
1.6%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The Roseau, Dominica tropical storm risk chart above shows the hurricane season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

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