Northern Ireland weather by month

Check out Northern Ireland weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °C
Hours of sunshine (daily)
Days with some rainfall
Sea temperature °C

More about Northern Ireland

Northern Ireland by month

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

Recommended for Northern Ireland

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The climate guide for Northern Ireland (Belfast) shows long term monthly 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.

Top Northern Ireland destinations

Below are average maximum temperatures at popular countries, regions and places in Northern Ireland for next month - December. Select a destination to see the climate guide for all months of the year.

All Northern Ireland destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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Tropical storm risk: Northern Ireland hurricane season

% of month affected by tropical storms
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0
0
0
0
0
0
0
0
Jan
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Jul
Aug
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Oct
Nov
Dec
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More about the UK

Compare Northern Ireland with the USA

Below the Northern Ireland chart shows average maximum daytime temperature for Nothern Ireland (Belfast) and the USA (Washington).

Maximum daytime temperature (°C)

Nothern Ireland (Belfast)
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

Compare more Northern Ireland weather >>

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