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 54°F daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Ballycastle in October. Check more long-term weather averages for Ballycastle in October before you book your next holiday to Northern Ireland in 2025/2026.

54
54°F max day temperature
3
3 hours of sunshine per day
21
21 days with some rainfall
45
45°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
5.0
5.0 inches of monthly rainfall
2
2 (Low) UV index
55
55°F sea temperature

More about Ballycastle

Ballycastle by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Northern Ireland

Sixt: Current UK car hire deals

Sale

Check out UK car hire locations from Sixt
Find a location before searching for top car hire deals
Choose from popular airports, city centres & more

Go to Sixt deal >>

View all Sixt offers

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) | Imperial (°F)

More about the UK

How warm is it in Ballycastle in October?

Daytime temperatures usually reach 54°F in Ballycastle in October, falling to 45°F 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 55°F.

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 5.0 inches.

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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec