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Belfast weather
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Usually
in June
-
Now
Today
Recommended for Northern Ireland
The weather guide for Northern Ireland (Belfast) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
When is the best time to go to Belfast?
Max Day Temperature (°F)
- Jan
45
- Feb
45
- Mar
48
- Apr
52
- May
57
- Jun
63
- Jul
64
- Aug
64
- Sep
61
- Oct
55
- Nov
48
- Dec
46
Best time to go for the weather
Metric (°C) | Imperial (°F)
More about the UK
Which is the hottest month in Belfast?
The hottest time of year in Belfast is normally July. Expect maximum daytime temperatures to reach 64°F.
Which month has the most rain in Belfast?
In terms of rainfall, January is usually the wettest month in Belfast with 4.0 inches on average. There are normally 20 days in January with some rain.
When is it sunniest in Belfast?
The sunniest time of year in Belfast is normally May with bright sunshine on average for 37% of daylight hours; that's 6 hours of sunshine per day.
When is the sea warmest in Belfast?
The sea is usually at its warmest in Belfast in September when the water temperature reaches 57°F.
Compare Belfast weather with the USA
Below the Belfast weather chart shows average maximum daytime temperature for Belfast, Northern Ireland, UK and the USA (Washington).
Maximum daytime temperature (°F)
Metric (°C) | Imperial (°F)
Compare more Belfast weather >>
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