Belfast weather in March 2025

Expect 9°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Belfast in March. Check more long-term weather averages for Belfast in March before you book your next holiday to Northern Ireland in 2025/2026.

9
9°C max day temperature
3
3 hours of sunshine per day
19
19 days with some rainfall
2
2°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
78
78 mm of monthly rainfall
2
2 (Low) UV index
7
7°C sea temperature

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The March weather guide for Northern Ireland (Belfast) 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)

More about the UK

How warm is it in Belfast in March?

Daytime temperatures usually reach 9°C in Belfast in March, falling to 2°C at night.

How sunny is it in Belfast in March?

There are normally 3 hours of bright sunshine each day in Belfast in March - that's 28% of daylight hours.

Is the sea cold around Belfast in March?

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

Does it rain in Belfast in March?

There are usually 19 days with some rain in Belfast in March and the average monthly rainfall is 78mm.

Belfast March sunrise & sunset times

Browse the sunrise and sunset times for Belfast in March 2025. Select a month to view Belfast 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
Saturday, 1st March 2025	07:12	18:00
Sunday, 16th March 2025	06:36	18:30
Monday, 31st March 2025	05:58	18:59

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Northern Ireland - quick facts
Time difference	UK +0 hours
Language(s)	English
Currency	Pound Sterling
Electricity	G plug (230V)
Driving side	Left
Why visit?	Culture Nature