Donegal weather in March 2026

Expect daytime maximum temperatures of 8°C in Donegal, Ireland in March based on long-term weather averages. There are 3 hours of sunshine per day on average with 23 days with some rainfall and typically 122 mm of rainfall in the month.

  • 8°C maximum daytime temperature in March in Donegal8
    8°C max day temperature
  • 3 hours of sunshine per day
  • 23 days with some rainfall in March in Donegal23
    23 days with some rainfall
  • 1°C minimum night-time temperature in March in Donegal1
    1°C min night temperature
  • 12 hours of daylight per day in March in Donegal12
    12 hours of daylight per day
  • No heat & humidity in March in Donegal0
    No heat & humidity
  • 122 mm monthly rainfall in March in Donegal122
    122 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in March in Donegal2
    2 (Low) UV index
  • 8°C sea temperature in March in Donegal8
    8°C sea temperature

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The March weather guide for Ireland (Donegal) 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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More about Ireland

How warm is it in Donegal in March?

Daytime temperatures usually reach 8°C in Donegal in March, falling to 1°C at night.

How sunny is it in Donegal in March?

There are normally 3 hours of bright sunshine each day in Donegal in March - that's 26% of daylight hours.

Is the sea cold around Donegal in March?

The average sea temperature around Donegal in March is 8°C.

Does it rain in Donegal in March?

There are usually 23 days with some rain in Donegal in March and the average monthly rainfall is 122mm.

Donegal March sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st March 2026 07:22 18:09
Monday, 16th March 2026 06:45 18:38
Tuesday, 31st March 2026 06:07 19:07

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