Dominica weather in January 2025

Expect 29°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Dominica in January. Check more long-term weather averages for Dominica in January before you book your next holiday to Dominica in 2025/2026.

  • 29°C maximum daytime temperature in January in Dominica (Roseau)29
    29°C max day temperature
  • 7 hours of sunshine per day
  • 18 days with some rainfall in January in Dominica (Roseau)18
    18 days with some rainfall
  • 21°C minimum night-time temperature in January in Dominica (Roseau)21
    21°C min night temperature
  • 11 hours of daylight per day in January in Dominica (Roseau)11
    11 hours of daylight per day
  • Moderate heat & humidity in January in Dominica (Roseau)M
    Moderate heat & humidity
  • 136 mm monthly rainfall in January in Dominica (Roseau)136
    136 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in January in Dominica (Roseau)9
    9 (Very High) UV index
  • 27°C sea temperature in January in Dominica (Roseau)27
    27°C sea temperature

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The January 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 January. 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 January?

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

How sunny is it in Dominica in January?

There are normally 7 hours of bright sunshine each day in Roseau, Dominica in January - that's 60% of daylight hours.

How warm is the sea around Dominica in January?

The average sea temperature around Roseau, Dominica in January is 27°C.

Does it rain in Dominica in January?

There are usually 18 days with some rain in Roseau, Dominica in January and the average monthly rainfall is 136mm.

Dominica January sunrise & sunset times

Browse the sunrise and sunset times for Dominica in January 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
Wednesday, 1st January 2025 06:32 17:47
Thursday, 16th January 2025 06:36 17:55
Friday, 31st January 2025 06:35 18:03

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