Roseau weather in March 2026

Expect daytime maximum temperatures of 86°F in Roseau, Dominica in March and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 15 days with some rainfall and typically 3.7 inches of rainfall in the month.

  • 86°F maximum daytime temperature in March in Roseau86
    86°F max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in March in Roseau15
    15 days with some rainfall
  • 70°F minimum night-time temperature in March in Roseau70
    70°F min night temperature
  • 12 hours of daylight per day in March in Roseau12
    12 hours of daylight per day
  • High heat & humidity in March in RoseauH
    High heat & humidity
  • 3.7 inches monthly rainfall in March in Roseau3.7
    3.7 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in Roseau11
    11+ (Extreme) UV index
  • 79°F sea temperature in March in Roseau79
    79°F sea temperature

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The March 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 March?

Daytime temperatures usually reach 86°F in Roseau in March with high heat and humidity, falling to 70°F at night.

How sunny is it in Roseau in March?

There are normally 8 hours of bright sunshine each day in Roseau in March - that's 63% of daylight hours.

How warm is the sea around Roseau in March?

The average sea temperature around Roseau in March is 79°F.

Does it rain in Roseau in March?

There are usually 15 days with some rain in Roseau in March and the average monthly rainfall is 3.7 inches.

Roseau March sunrise & sunset times

Browse the sunrise and sunset times for Roseau in March 2026. Select a month to view Roseau sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st March 2026 06:23 18:13
Monday, 16th March 2026 06:12 18:16
Tuesday, 31st March 2026 06:02 18:18

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