Belfast weather averages

Going to Belfast? Find the best month to visit Belfast based on the weather.

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

Check Belfast weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in Belfast is expected to be 13°C, while the average maximum temperature in September is 16°C.

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More about Belfast

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

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

Belfast weather averages: best month

Belfast Best month Averages
Warmest July & August 18°C
Sunniest May & June 6 hours per day
Least rain April, June & July 15 days
Warmest sea September 14°C

Belfast climate guide

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Tropical storm risk: Belfast hurricane season

% of month affected by tropical storms
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The Belfast tropical storm risk chart above shows the hurricane season.

More about tropical storms

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Belfast weather averages by month

Check Belfast holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Belfast weather with the USA

Below the Belfast weather chart shows maximum daytime temperature for Belfast, Northern Ireland, UK and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Belfast, Northern Ireland, UK
USA (Washington)
Jan
Feb
Mar
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May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

Compare more Belfast weather >>

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More UK destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

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