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Northern Ireland weather in October 2025
Expect 13°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Northern Ireland in October. Check more long-term weather averages for Northern Ireland 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
More about Northern Ireland
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Northern Ireland by month
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Recommended for Northern Ireland
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.
Top Northern Ireland destinations
Below are average maximum temperatures at popular countries, regions and places in Northern Ireland in October. Select a holiday destination to see more weather parameters.
All Northern Ireland destinations
- Antrim
- Armagh
- Ballycastle
- Ballymena
- Ballymoney
- Bangor
- Belfast
- Carrickfergus
- Coleraine
- Downpatrick
- Dungannon
- Enniskillen
- Hillsborough
- Kilkeel
- Larne
- Londonderry
- Magherafelt
- Newcastle
- Newry
- Omagh
- Portrush
- Portstewart
- Strabane
Metric (°C / mm) | Imperial (°F / inches)
More about the UK
How warm is it in Northern Ireland in October?
Daytime temperatures usually reach 13°C in Belfast, Northern Ireland in October, falling to 7°C at night.
How sunny is it in Northern Ireland in October?
There are normally 3 hours of bright sunshine each day in Belfast, Northern Ireland in October - that's 28% of daylight hours.
How warm is the sea around Northern Ireland in October?
The average sea temperature around Belfast, Northern Ireland in October is 13°C.
Does it rain in Northern Ireland in October?
There are usually 19 days with some rain in Belfast, Northern Ireland in October and the average monthly rainfall is 100mm.
Northern Ireland October sunrise & sunset times
Browse the sunrise and sunset times for Northern Ireland in October 2025. Select a month to view Northern Ireland sunrise and sunset times for the next 12 months. The Northern Ireland sunrise and sunset times shown below are for Belfast.
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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