Donegal weather in March 2026

Q: How warm is it in Donegal in March?

Daytime temperatures usually reach 10°C in Donegal in March, falling to 3°C at night.

Q: How sunny is it in Donegal in March?

There are normally 4 hours of bright sunshine each day in Donegal in March - that's 29% of daylight hours.

Q: Is the sea cold around Donegal in March?

The average sea temperature around Donegal in March is 7°C.

Q: Does it rain in Donegal in March?

There are usually 16 days with some rain in Donegal in March and the average monthly rainfall is 50mm.

Expect daytime maximum temperatures of 46°F 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 4.8 inches of rainfall in the month.

46
46°F max day temperature
3
3 hours of sunshine per day
23
23 days with some rainfall
34
34°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
4.8
4.8 inches of monthly rainfall
2
2 (Low) UV index
46
46°F 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) | Imperial (°F)

More about Ireland

How warm is it in Donegal in March?

Daytime temperatures usually reach 50°F in Donegal in March, falling to 37°F at night.

How sunny is it in Donegal in March?

There are normally 4 hours of bright sunshine each day in Donegal in March - that's 29% of daylight hours.

How warm is the sea around Donegal in March?

The average sea temperature around Donegal in March is 45°F.

Does it rain in Donegal in March?

There are usually 16 days with some rain in Donegal in March and the average monthly rainfall is 2.0 inches.

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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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