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Belfast weather in October 2025
Expect 13°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Belfast in October. Check more long-term weather averages for Belfast in October before you book your next holiday to Northern Ireland in 2025/2026.
- 1313°C max day temperature
- 3 hours of sunshine per day
- 1919 days with some rainfall
- 77°C min night temperature
- 1010 hours of daylight per day
- 0No heat & humidity
- 100100 mm of monthly rainfall
- 22 (Low) UV index
- 1313°C sea temperature
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Recommended for Belfast
The October 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 October?
Daytime temperatures usually reach 13°C in Belfast in October, falling to 7°C at night.
How sunny is it in Belfast in October?
There are normally 3 hours of bright sunshine each day in Belfast in October - that's 28% of daylight hours.
How warm is the sea around Belfast in October?
The average sea temperature around Belfast in October is 13°C.
Does it rain in Belfast in October?
There are usually 19 days with some rain in Belfast in October and the average monthly rainfall is 100mm.
Belfast October sunrise & sunset times
Browse the sunrise and sunset times for Belfast in October 2025. Select a month to view Belfast sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Wednesday, 1st October 2025 | 06:26 | 17:59 |
Thursday, 16th October 2025 | 06:55 | 17:23 |
Friday, 31st October 2025 | 07:24 | 16:49 |
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