Newcastle weather in March 2026

Q: How warm is it in Newcastle in March?

Daytime temperatures usually reach 8°C in Newcastle in March, falling to 2°C at night.

Q: How sunny is it in Newcastle in March?

There are normally 3 hours of bright sunshine each day in Newcastle in March - that's 29% of daylight hours.

Q: Is the sea cold around Newcastle in March?

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

Q: Does it rain in Newcastle in March?

There are usually 18 days with some rain in Newcastle in March and the average monthly rainfall is 105mm.

Expect daytime maximum temperatures of 46°F in Newcastle, Northern Ireland in March based on long-term weather averages. There are 3 hours of sunshine per day on average with 18 days with some rainfall and typically 4.1 inches of rainfall in the month.

46
46°F max day temperature
3
3 hours of sunshine per day
18
18 days with some rainfall
36
36°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
4.1
4.1 inches of monthly rainfall
2
2 (Low) UV index
45
45°F sea temperature

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The March weather guide for Northern Ireland (Newcastle) 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)