St Peter Port weather in January 2026

Expect daytime maximum temperatures of 9°C in St Peter Port, Guernsey in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 20 days with some rainfall and typically 92 mm of rainfall in the month.

  • 9°C maximum daytime temperature in January in St Peter Port9
    9°C max day temperature
  • 2 hours of sunshine per day
  • 20 days with some rainfall in January in St Peter Port20
    20 days with some rainfall
  • 5°C minimum night-time temperature in January in St Peter Port5
    5°C min night temperature
  • 9 hours of daylight per day in January in St Peter Port9
    9 hours of daylight per day
  • No heat & humidity in January in St Peter Port0
    No heat & humidity
  • 92 mm monthly rainfall in January in St Peter Port92
    92 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in St Peter Port1
    1 (Low) UV index
  • 10°C sea temperature in January in St Peter Port10
    10°C sea temperature

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The January weather guide for Guernsey, represented by St Peter Port, (St Peter Port) 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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How warm is it in St Peter Port in January?

Daytime temperatures usually reach 9°C in St Peter Port in January, falling to 5°C at night.

How sunny is it in St Peter Port in January?

There are normally 2 hours of bright sunshine each day in St Peter Port in January - that's 21% of daylight hours.

Is the sea cold around St Peter Port in January?

The average sea temperature around St Peter Port in January is 10°C.

Does it rain in St Peter Port in January?

There are usually 20 days with some rain in St Peter Port in January and the average monthly rainfall is 92mm.

St Peter Port January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 08:06 16:21
Friday, 16th January 2026 08:00 16:40
Saturday, 31st January 2026 07:43 17:04

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