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Belfast weather in July 2025
Expect 18°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Belfast in July. Check more long-term weather averages for Belfast in July before you book your next holiday to Northern Ireland in 2025/2026.
- 1818°C max day temperature
- 5 hours of sunshine per day
- 1515 days with some rainfall
- 1111°C min night temperature
- 1717 hours of daylight per day
- 0No heat & humidity
- 6363 mm of monthly rainfall
- 66 (High) UV index
- 1313°C sea temperature
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Recommended for Belfast
The July 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 hot is it in Belfast in July?
Daytime temperatures usually reach 18°C in Belfast in July, falling to 11°C at night.
How sunny is it in Belfast in July?
There are normally 5 hours of bright sunshine each day in Belfast in July - that's 30% of daylight hours.
How warm is the sea around Belfast in July?
The average sea temperature around Belfast in July is 13°C.
Does it rain in Belfast in July?
There are usually 15 days with some rain in Belfast in July and the average monthly rainfall is 63mm.
Belfast July sunrise & sunset times
Browse the sunrise and sunset times for Belfast in July 2025. Select a month to view Belfast sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Tuesday, 1st July 2025 | 03:52 | 21:02 |
Wednesday, 16th July 2025 | 04:09 | 20:50 |
Thursday, 31st July 2025 | 04:33 | 20:26 |
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