St Peter Port weather in December 2025

Expect daytime maximum temperatures of 50°F in St Peter Port, Guernsey in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 19 days with some rainfall and typically 3.9 inches of rainfall in the month.

• 50
  50°F max day temperature
• 2
  2 hours of sunshine per day
• 19
  19 days with some rainfall
• 43
  43°F min night temperature
• 8
  8 hours of daylight per day
• 0
  No heat & humidity
• 3.9
  3.9 inches of monthly rainfall
• 1
  1 (Low) UV index
• 54
  54°F sea temperature

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St Peter Port by month

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The December 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)  |  Imperial (°F)

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St Peter Port December sunrise & sunset times

Browse the sunrise and sunset times for St Peter Port in December 2025. Select a month to view St Peter Port sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

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