Roseau weather in March 2026

Q: How hot is it in Roseau in March?

Daytime temperatures usually reach 30°C in Roseau in March with high heat and humidity, falling to 21°C at night.

Q: How sunny is it in Roseau in March?

There are normally 8 hours of bright sunshine each day in Roseau in March - that's 63% of daylight hours.

Q: How warm is the sea around Roseau in March?

The average sea temperature around Roseau in March is 26°C.

Q: Does it rain in Roseau in March?

There are usually 15 days with some rain in Roseau in March and the average monthly rainfall is 93mm.

Expect daytime maximum temperatures of 86°F in Roseau, Dominica in March and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 15 days with some rainfall and typically 3.7 inches of rainfall in the month.

86
86°F max day temperature
8
8 hours of sunshine per day
15
15 days with some rainfall
70
70°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
3.7
3.7 inches of monthly rainfall
11
11+ (Extreme) UV index
79
79°F sea temperature

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The March weather guide for Dominica (Roseau) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

How hot is it in Roseau in March?

Daytime temperatures usually reach 86°F in Roseau in March with high heat and humidity, falling to 70°F at night.

How sunny is it in Roseau in March?

There are normally 8 hours of bright sunshine each day in Roseau in March - that's 63% of daylight hours.

How warm is the sea around Roseau in March?

The average sea temperature around Roseau in March is 79°F.

Does it rain in Roseau in March?

There are usually 15 days with some rain in Roseau in March and the average monthly rainfall is 3.7 inches.

Roseau March sunrise & sunset times

Browse the sunrise and sunset times for Roseau in March 2026. Select a month to view Roseau sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Sunday, 1st March 2026	06:23	18:13
Monday, 16th March 2026	06:12	18:16
Tuesday, 31st March 2026	06:02	18:18

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Dominica - quick facts
Time difference	UK -4 hours
Language(s)	English
Currency	Eastern Caribbean Dollar
Electricity	D + G plug (230V)
Driving side	Left
Why visit?	Beaches Nature
Tourist info	Discover Dominica Authority