Ballycastle weather in January 2026

Expect daytime maximum temperatures of 45°F in Ballycastle, Northern Ireland in January based on long-term weather averages. There is 1 hour of sunshine per day on average with 22 days with some rainfall and typically 4.7 inches of rainfall in the month.

  • 45°F maximum daytime temperature in January in Ballycastle45
    45°F max day temperature
  • 1 hour of sunshine per day
  • 22 days with some rainfall in January in Ballycastle22
    22 days with some rainfall
  • 36°F minimum night-time temperature in January in Ballycastle36
    36°F min night temperature
  • 8 hours of daylight per day in January in Ballycastle8
    8 hours of daylight per day
  • No heat & humidity in January in Ballycastle0
    No heat & humidity
  • 4.7 inches monthly rainfall in January in Ballycastle4.7
    4.7 inches of monthly rainfall
  • No UV (maximum) index in January in Ballycastle0
    No UV (Maximum) Index UV index
  • 48°F sea temperature in January in Ballycastle48
    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)

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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 2026. Select a month to view Ballycastle sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 08:51 16:06
Friday, 16th January 2026 08:41 16:29
Saturday, 31st January 2026 08:18 16:59

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