Ballycastle weather in January 2025

Q: How cold is it in Ballycastle in January?

Daytime temperatures usually reach 7°C in Ballycastle in January, falling to 2°C at night.

Q: How sunny is it in Ballycastle in January?

There are normally 1 hour of bright sunshine each day in Ballycastle in January - that's 17% of daylight hours.

Q: Is the sea cold around Ballycastle in January?

The average sea temperature around Ballycastle in January is 9°C.

Q: Does it rain in Ballycastle in January?

There are usually 22 days with some rain in Ballycastle in January and the average monthly rainfall is 120mm.

Expect 45°F daytime maximum temperatures in the shade with on average 1 hours of sunshine per day in Ballycastle in January. Check more long-term weather averages for Ballycastle in January before you book your next holiday to Northern Ireland in 2025/2026.

45
45°F max day temperature
1
1 hour of sunshine per day
22
22 days with some rainfall
36
36°F min night temperature
8
8 hours of daylight per day
0
No heat & humidity
4.7
4.7 inches of monthly rainfall
0
No UV (Maximum) Index UV index
48
48°F sea temperature

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The January 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 cold is it in Ballycastle in January?

Daytime temperatures usually reach 45°F in Ballycastle in January, falling to 36°F at night.

How sunny is it in Ballycastle in January?

There are normally 1 hour of bright sunshine each day in Ballycastle in January - that's 17% of daylight hours.

How warm is the sea around Ballycastle in January?

The average sea temperature around Ballycastle in January is 48°F.

Does it rain in Ballycastle in January?

There are usually 22 days with some rain in Ballycastle in January and the average monthly rainfall is 4.7 inches.

Ballycastle January sunrise & sunset times

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

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