Guernsey weather in May 2020

  • 59°F maximum daytime temperature in May in Guernsey (St Peter Port)59
    59°F max day temperature
  • 8 hours of sunshine per day
  • 13 days with some rainfall in May in Guernsey (St Peter Port)13
    13 days with some rainfall
  • 48°F minimum night-time temperature in May in Guernsey (St Peter Port)48
    48°F min night temperature
  • 15 hours of daylight per day in May in Guernsey (St Peter Port)15
    15 hours of daylight per day
  • No heat & humidity in May in Guernsey (St Peter Port)0
    No heat & humidity
  • 1.9 inches monthly rainfall in May in Guernsey (St Peter Port)1.9
    1.9 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Guernsey (St Peter Port)6
    6 (High) UV index
  • 52°F sea temperature in May in Guernsey (St Peter Port)52
    52°F sea temperature
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The May weather guide for Guernsey 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.

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Metric (°C)  |  Imperial (°F)

Guide to Guernsey weather in May

The average maximum daytime temperature in Guernsey in May is a comfortable 15°C (59°F). The average night-time temperature is usually a cool 9°C (48°F). There are usually 8 hours of bright sunshine each day, which represents 50% of the 15 hours of daylight.

Expect 48mm (1.9 inches) of rainfall across the whole of May with 13 days with some rain falling. Maximum UV levels will be high (6 UV index) at midday when the skies are clear.

The average sea temperature in and around Guernsey in May is 11°C (52°F).

The weather in Guernsey in May is represented by St Peter Port.

Guernsey sunrise & sunset times for May 2020

Browse the sunrise & sunset times for Guernsey in May 2020. Select a month to view Guernsey sunrise & sunset times for the next twelve months. The Guernsey sunrise & sunset times shown below are for St Peter Port.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2020 05:47 20:28
Saturday, 16th May 2020 05:24 20:50
Sunday, 31st May 2020 05:09 21:07
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