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Belfast weather in June 2025
Expect 17°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Belfast in June. Check more long-term weather averages for Belfast in June before you book your next holiday to Northern Ireland in 2025/2026.
- 1717°C max day temperature
- 6 hours of sunshine per day
- 1515 days with some rainfall
- 99°C min night temperature
- 1717 hours of daylight per day
- 0No heat & humidity
- 6868 mm of monthly rainfall
- 66 (High) UV index
- 1111°C sea temperature
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Recommended for Belfast
The June 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 June?
Daytime temperatures usually reach 17°C in Belfast in June, falling to 9°C at night.
How sunny is it in Belfast in June?
There are normally 6 hours of bright sunshine each day in Belfast in June - that's 34% of daylight hours.
Is the sea cold around Belfast in June?
The average sea temperature around Belfast in June is 11°C.
Does it rain in Belfast in June?
There are usually 15 days with some rain in Belfast in June and the average monthly rainfall is 68mm.
Belfast June sunrise & sunset times
Browse the sunrise and sunset times for Belfast in June 2025. Select a month to view Belfast sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Sunday, 1st June 2025 | 03:55 | 20:49 |
Sunday, 15th June 2025 | 03:47 | 21:02 |
Monday, 30th June 2025 | 03:52 | 21:03 |
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