Larne weather in January 2025

Expect 6°C daytime maximum temperatures in the shade with on average 1 hours of sunshine per day in Larne in January. Check more long-term weather averages for Larne in January before you book your next holiday to Northern Ireland in 2025/2026.

  • 6°C maximum daytime temperature in January in Larne6
    6°C max day temperature
  • 1 hour of sunshine per day
  • 20 days with some rainfall in January in Larne20
    20 days with some rainfall
  • 1°C minimum night-time temperature in January in Larne1
    1°C min night temperature
  • 8 hours of daylight per day in January in Larne8
    8 hours of daylight per day
  • No heat & humidity in January in Larne0
    No heat & humidity
  • 117 mm monthly rainfall in January in Larne117
    117 mm of monthly rainfall
  • No UV (maximum) index in January in Larne0
    No UV (Maximum) Index UV index
  • 9°C sea temperature in January in Larne9
    9°C sea temperature

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Recommended for Northern Ireland

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12

The January weather guide for Northern Ireland (Larne) 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)

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More about the UK

How cold is it in Larne in January?

Daytime temperatures usually reach 6°C in Larne in January, falling to 1°C at night.

How sunny is it in Larne in January?

There are normally 1 hour of bright sunshine each day in Larne in January - that's 18% of daylight hours.

Is the sea cold around Larne in January?

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

Does it rain in Larne in January?

There are usually 20 days with some rain in Larne in January and the average monthly rainfall is 117mm.

Larne January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 08:47 16:07
Thursday, 16th January 2025 08:37 16:30
Friday, 31st January 2025 08:15 16:59

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