Antrim weather in October 2025

Q: How warm is it in Antrim in October?

Daytime temperatures usually reach 13°C in Antrim in October, falling to 7°C at night.

Q: How sunny is it in Antrim in October?

There are normally 3 hours of bright sunshine each day in Antrim in October - that's 28% of daylight hours.

Q: How warm is the sea around Antrim in October?

The average sea temperature around Antrim in October is 13°C.

Q: Does it rain in Antrim in October?

There are usually 19 days with some rain in Antrim in October and the average monthly rainfall is 100mm.

Expect daytime maximum temperatures of 55°F in Antrim, Northern Ireland in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 20 days with some rainfall and typically 3.8 inches of rainfall in the month.

55
55°F max day temperature
3
3 hours of sunshine per day
20
20 days with some rainfall
43
43°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
3.8
3.8 inches of monthly rainfall
2
2 (Low) UV index

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The October weather guide for Northern Ireland (Antrim) 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) | Imperial (°F)