Roseau weather in May 2025

Expect 31°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Roseau in May. Check more long-term weather averages for Roseau in May before you book your next holiday to Dominica in 2025/2026.

  • 31°C maximum daytime temperature in May in Roseau31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 17 days with some rainfall in May in Roseau17
    17 days with some rainfall
  • 23°C minimum night-time temperature in May in Roseau23
    23°C min night temperature
  • 13 hours of daylight per day in May in Roseau13
    13 hours of daylight per day
  • High heat & humidity in May in RoseauH
    High heat & humidity
  • 137 mm monthly rainfall in May in Roseau137
    137 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Roseau11
    11+ (Extreme) UV index
  • 28°C sea temperature in May in Roseau28
    28°C sea temperature

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The May 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Roseau in May?

Daytime temperatures usually reach 31°C in Roseau in May with high heat and humidity, falling to 23°C at night.

How sunny is it in Roseau in May?

There are normally 8 hours of bright sunshine each day in Roseau in May - that's 61% of daylight hours.

How warm is the sea around Roseau in May?

The average sea temperature around Roseau in May is 28°C.

Does it rain in Roseau in May?

There are usually 17 days with some rain in Roseau in May and the average monthly rainfall is 137mm.

Roseau May sunrise & sunset times

Browse the sunrise and sunset times for Roseau in May 2025. Select a month to view Roseau sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:42 18:23
Friday, 16th May 2025 05:36 18:28
Saturday, 31st May 2025 05:34 18:33

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