Roseau weather in December 2025

Expect 29°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Roseau in December based on long-term weather averages. There is usually 19 days with some rainfall and 176 mm of average monthly rainfall in December.

  • 29°C maximum daytime temperature in December in Roseau29
    29°C max day temperature
  • 7 hours of sunshine per day
  • 19 days with some rainfall in December in Roseau19
    19 days with some rainfall
  • 21°C minimum night-time temperature in December in Roseau21
    21°C min night temperature
  • 11 hours of daylight per day in December in Roseau11
    11 hours of daylight per day
  • High heat & humidity in December in RoseauH
    High heat & humidity
  • 176 mm monthly rainfall in December in Roseau176
    176 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in December in Roseau8
    8 (Very High) UV index
  • 28°C sea temperature in December in Roseau28
    28°C sea temperature

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The December 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 December?

Daytime temperatures usually reach 29°C in Roseau in December with high heat and humidity, falling to 21°C at night.

How sunny is it in Roseau in December?

There are normally 7 hours of bright sunshine each day in Roseau in December - that's 58% of daylight hours.

How warm is the sea around Roseau in December?

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

Does it rain in Roseau in December?

There are usually 19 days with some rain in Roseau in December and the average monthly rainfall is 176mm.

Roseau December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:16 17:33
Tuesday, 16th December 2025 06:25 17:38
Wednesday, 31st December 2025 06:32 17:46

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