Ballycastle weather in October 2025

Q: How warm is it in Ballycastle in October?

Daytime temperatures usually reach 12°C in Ballycastle in October, falling to 7°C at night.

Q: How sunny is it in Ballycastle in October?

There are normally 3 hours of bright sunshine each day in Ballycastle in October - that's 24% of daylight hours.

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

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

Q: Does it rain in Ballycastle in October?

There are usually 21 days with some rain in Ballycastle in October and the average monthly rainfall is 128mm.

Expect daytime maximum temperatures of 12°C in Ballycastle, Northern Ireland in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 21 days with some rainfall and typically 128 mm of rainfall in the month.

12
12°C max day temperature
3
3 hours of sunshine per day
21
21 days with some rainfall
7
7°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
128
128 mm of monthly rainfall
2
2 (Low) UV index
13
13°C sea temperature

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The October weather guide for Northern Ireland (Ballycastle) 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 Ballycastle in October?

Daytime temperatures usually reach 12°C in Ballycastle in October, falling to 7°C at night.

How sunny is it in Ballycastle in October?

There are normally 3 hours of bright sunshine each day in Ballycastle in October - that's 24% of daylight hours.

How warm is the sea around Ballycastle in October?

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

Does it rain in Ballycastle in October?

There are usually 21 days with some rain in Ballycastle in October and the average monthly rainfall is 128mm.

Ballycastle October sunrise & sunset times

Browse the sunrise and sunset times for Ballycastle in October 2025. Select a month to view Ballycastle sunrise and sunset times for the next 12 months.

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