Roseau weather in December 2025

Expect daytime maximum temperatures of 84°F in Roseau, Dominica in December and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 19 days with some rainfall and typically 6.9 inches of rainfall in the month.

  • 84°F maximum daytime temperature in December in Roseau84
    84°F max day temperature
  • 7 hours of sunshine per day
  • 19 days with some rainfall in December in Roseau19
    19 days with some rainfall
  • 70°F minimum night-time temperature in December in Roseau70
    70°F 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
  • 6.9 inches monthly rainfall in December in Roseau6.9
    6.9 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in December in Roseau8
    8 (Very High) UV index
  • 82°F sea temperature in December in Roseau82
    82°F 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)  |  Imperial (°F)

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How hot is it in Roseau in December?

Daytime temperatures usually reach 84°F in Roseau in December with high heat and humidity, falling to 70°F 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 82°F.

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 6.9 inches.

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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