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

Rural Retreats: Holiday properties with spa facilities

Sale

Book properties with jacuzzis, heated pools & saunas
Browse stays in Suffolk with many other great facilities
Filter search by selecting holiday preferences

Go to Rural Retreats deal >>

View all Rural Retreats 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