Guernsey weather in March 2026

Expect daytime maximum temperatures of 10°C in Guernsey in March based on long-term weather averages. There are 4 hours of sunshine per day on average with 16 days with some rainfall and typically 67 mm of rainfall in the month.

  • 10°C maximum daytime temperature in March in Guernsey (St Peter Port)10
    10°C max day temperature
  • 4 hours of sunshine per day
  • 16 days with some rainfall in March in Guernsey (St Peter Port)16
    16 days with some rainfall
  • 5°C minimum night-time temperature in March in Guernsey (St Peter Port)5
    5°C min night temperature
  • 12 hours of daylight per day in March in Guernsey (St Peter Port)12
    12 hours of daylight per day
  • No heat & humidity in March in Guernsey (St Peter Port)0
    No heat & humidity
  • 67 mm monthly rainfall in March in Guernsey (St Peter Port)67
    67 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Guernsey (St Peter Port)3
    3 (Moderate) UV index
  • 9°C sea temperature in March in Guernsey (St Peter Port)9
    9°C sea temperature

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The March 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 Guernsey in March?

Daytime temperatures usually reach 10°C in St Peter Port, Guernsey in March, falling to 5°C at night.

How sunny is it in Guernsey in March?

There are normally 4 hours of bright sunshine each day in St Peter Port, Guernsey in March - that's 36% of daylight hours.

Is the sea cold around Guernsey in March?

The average sea temperature around St Peter Port, Guernsey in March is 9°C.

Does it rain in Guernsey in March?

There are usually 16 days with some rain in St Peter Port, Guernsey in March and the average monthly rainfall is 67mm.

Guernsey March sunrise & sunset times

Browse the sunrise and sunset times for Guernsey in March 2026. Select a month to view Guernsey sunrise and sunset times for the next 12 months. The Guernsey sunrise and sunset times shown below are for St Peter Port.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st March 2026 06:53 17:53
Monday, 16th March 2026 06:22 18:17
Tuesday, 31st March 2026 05:50 18:40

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