Isle of Arran weather in January 2026

Expect 5°C daytime maximum temperatures in the shade with on average 1 hour of sunshine per day in Isle of Arran in January based on long-term weather averages. There is usually 22 days with some rainfall and 174 mm of average monthly rainfall in January.

  • 5°C maximum daytime temperature in January in Isle of Arran5
    5°C max day temperature
  • 1 hour of sunshine per day
  • 22 days with some rainfall in January in Isle of Arran22
    22 days with some rainfall
  • 1°C minimum night-time temperature in January in Isle of Arran1
    1°C min night temperature
  • 8 hours of daylight per day in January in Isle of Arran8
    8 hours of daylight per day
  • No heat & humidity in January in Isle of Arran0
    No heat & humidity
  • 174 mm monthly rainfall in January in Isle of Arran174
    174 mm of monthly rainfall
  • No UV (maximum) index in January in Isle of Arran0
    No UV (Maximum) Index UV index
  • 8°C sea temperature in January in Isle of Arran8
    8°C sea temperature

More about Isle of Arran

Isle of Arran by month

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The January weather guide for Scotland (Isle of Arran) 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 Scotland

How cold is it in Isle of Arran in January?

Daytime temperatures usually reach 5°C in Isle of Arran in January, falling to 1°C at night.

How sunny is it in Isle of Arran in January?

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

Is the sea cold around Isle of Arran in January?

The average sea temperature around Isle of Arran in January is 8°C.

Does it rain in Isle of Arran in January?

There are usually 22 days with some rain in Isle of Arran in January and the average monthly rainfall is 174mm.

Isle of Arran January sunrise & sunset times

Browse the sunrise and sunset times for Isle of Arran in January 2026. Select a month to view Isle of Arran sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 08:49 16:00
Friday, 16th January 2026 08:38 16:23
Saturday, 31st January 2026 08:16 16:54

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