Calais weather in May 2025

Expect daytime maximum temperatures of 16°C in Calais, France in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 15 days with some rainfall and typically 47 mm of rainfall in the month.

  • 16°C maximum daytime temperature in May in Calais16
    16°C max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in May in Calais15
    15 days with some rainfall
  • 8°C minimum night-time temperature in May in Calais8
    8°C min night temperature
  • 16 hours of daylight per day in May in Calais16
    16 hours of daylight per day
  • No heat & humidity in May in Calais0
    No heat & humidity
  • 47 mm monthly rainfall in May in Calais47
    47 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in Calais6
    6 (High) UV index
  • 11°C sea temperature in May in Calais11
    11°C sea temperature

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The May weather guide for France (Calais) 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 Calais in May?

Daytime temperatures usually reach 16°C in Calais in May, falling to 8°C at night.

How sunny is it in Calais in May?

There are normally 7 hours of bright sunshine each day in Calais in May - that's 44% of daylight hours.

Is the sea cold around Calais in May?

The average sea temperature around Calais in May is 11°C.

Does it rain in Calais in May?

There are usually 15 days with some rain in Calais in May and the average monthly rainfall is 47mm.

Calais May sunrise & sunset times

Browse the sunrise and sunset times for Calais in May 2025. Select a month to view Calais sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:26 20:14
Friday, 16th May 2025 05:01 20:38
Saturday, 31st May 2025 04:45 20:57

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