Dieppe weather in May 2025

Expect 16°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Dieppe in May. Check more long-term weather averages for Dieppe in May before you book your next holiday to France in 2025/2026.

  • 16°C maximum daytime temperature in May in Dieppe16
    16°C max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in May in Dieppe15
    15 days with some rainfall
  • 8°C minimum night-time temperature in May in Dieppe8
    8°C min night temperature
  • 15 hours of daylight per day in May in Dieppe15
    15 hours of daylight per day
  • No heat & humidity in May in Dieppe0
    No heat & humidity
  • 55 mm monthly rainfall in May in Dieppe55
    55 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in Dieppe6
    6 (High) UV index
  • 12°C sea temperature in May in Dieppe12
    12°C sea temperature

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The May weather guide for France (Dieppe) 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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More about France

How warm is it in Dieppe in May?

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

How sunny is it in Dieppe in May?

There are normally 7 hours of bright sunshine each day in Dieppe in May - that's 45% of daylight hours.

How warm is the sea around Dieppe in May?

The average sea temperature around Dieppe in May is 12°C.

Does it rain in Dieppe in May?

There are usually 15 days with some rain in Dieppe in May and the average monthly rainfall is 55mm.

Dieppe May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:32 20:14
Friday, 16th May 2025 05:08 20:37
Saturday, 31st May 2025 04:53 20:55

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