Northern Ireland weather in October 2021

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Below are average maximum temperatures at popular destinations in Northern Ireland in October. Select a destination to see more weather parameters.

13
Belfast
12
Londonderry

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The October weather guide for Northern Ireland 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.

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.

Metric (°C / mm) | Imperial (°F / inches)

Northern Ireland sunrise & sunset times for October 2021

Browse the sunrise and sunset times for Northern Ireland in October 2021. Select a month to view Northern Ireland sunrise & sunset times for the next 12 months. The Northern Ireland sunrise and sunset times shown below are for Belfast.

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