Boulogne weather in May 2025

Expect daytime maximum temperatures of 59°F in Boulogne, 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 2.0 inches of rainfall in the month.

  • 59°F maximum daytime temperature in May in Boulogne59
    59°F max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in May in Boulogne15
    15 days with some rainfall
  • 46°F minimum night-time temperature in May in Boulogne46
    46°F min night temperature
  • 16 hours of daylight per day in May in Boulogne16
    16 hours of daylight per day
  • No heat & humidity in May in Boulogne0
    No heat & humidity
  • 2.0 inches monthly rainfall in May in Boulogne2.0
    2.0 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Boulogne6
    6 (High) UV index
  • 52°F sea temperature in May in Boulogne52
    52°F sea temperature

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

How warm is it in Boulogne in May?

Daytime temperatures usually reach 59°F in Boulogne in May, falling to 46°F at night.

How sunny is it in Boulogne in May?

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

How warm is the sea around Boulogne in May?

The average sea temperature around Boulogne in May is 52°F.

Does it rain in Boulogne in May?

There are usually 15 days with some rain in Boulogne in May and the average monthly rainfall is 2.0 inches.

Boulogne May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:27 20:15
Friday, 16th May 2025 05:03 20:38
Saturday, 31st May 2025 04:47 20:57

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