Dominica weather in May 2025

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

  • 31°C maximum daytime temperature in May in Dominica (Roseau)31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 17 days with some rainfall in May in Dominica (Roseau)17
    17 days with some rainfall
  • 23°C minimum night-time temperature in May in Dominica (Roseau)23
    23°C min night temperature
  • 13 hours of daylight per day in May in Dominica (Roseau)13
    13 hours of daylight per day
  • High heat & humidity in May in Dominica (Roseau)H
    High heat & humidity
  • 137 mm monthly rainfall in May in Dominica (Roseau)137
    137 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Dominica (Roseau)11
    11+ (Extreme) UV index
  • 28°C sea temperature in May in Dominica (Roseau)28
    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.

Top Dominica destinations

Below are average maximum temperatures at popular countries, regions and places in Dominica in May. Select a holiday destination to see more weather parameters.

All Dominica destinations

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

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How hot is it in Dominica in May?

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

How sunny is it in Dominica in May?

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

How warm is the sea around Dominica in May?

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

Does it rain in Dominica in May?

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

Dominica May sunrise & sunset times

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

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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