Barmouth weather in January 2026

Expect daytime maximum temperatures of 43°F in Barmouth, Wales in January based on long-term weather averages. There is 1 hour of sunshine per day on average with 21 days with some rainfall and typically 7.4 inches of rainfall in the month.

  • 43°F maximum daytime temperature in January in Barmouth43
    43°F max day temperature
  • 1 hour of sunshine per day
  • 21 days with some rainfall in January in Barmouth21
    21 days with some rainfall
  • 34°F minimum night-time temperature in January in Barmouth34
    34°F min night temperature
  • 8 hours of daylight per day in January in Barmouth8
    8 hours of daylight per day
  • No heat & humidity in January in Barmouth0
    No heat & humidity
  • 7.4 inches monthly rainfall in January in Barmouth7.4
    7.4 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Barmouth1
    1 (Low) UV index
  • 45°F sea temperature in January in Barmouth45
    45°F sea temperature

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The January weather guide for Wales (Barmouth) 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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More about Wales

How cold is it in Barmouth in January?

Daytime temperatures usually reach 43°F in Barmouth in January, falling to 34°F at night.

How sunny is it in Barmouth in January?

There are normally 1 hour of bright sunshine each day in Barmouth in January - that's 16% of daylight hours.

How warm is the sea around Barmouth in January?

The average sea temperature around Barmouth in January is 45°F.

Does it rain in Barmouth in January?

There are usually 21 days with some rain in Barmouth in January and the average monthly rainfall is 7.4 inches.

Barmouth January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 08:28 16:12
Friday, 16th January 2026 08:20 16:33
Saturday, 31st January 2026 08:00 17:00

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