Dunkirk weather in August 2025

Expect 21°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Dunkirk in August. Check more long-term weather averages for Dunkirk in August before you book your next holiday to France in 2025/2026.

  • 21°C maximum daytime temperature in August in Dunkirk21
    21°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in August in Dunkirk14
    14 days with some rainfall
  • 13°C minimum night-time temperature in August in Dunkirk13
    13°C min night temperature
  • 14 hours of daylight per day in August in Dunkirk14
    14 hours of daylight per day
  • No heat & humidity in August in Dunkirk0
    No heat & humidity
  • 52 mm monthly rainfall in August in Dunkirk52
    52 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in Dunkirk6
    6 (High) UV index
  • 18°C sea temperature in August in Dunkirk18
    18°C sea temperature

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The August weather guide for France (Dunkirk) 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 hot is it in Dunkirk in August?

Daytime temperatures usually reach 21°C in Dunkirk in August, falling to 13°C at night.

How sunny is it in Dunkirk in August?

There are normally 7 hours of bright sunshine each day in Dunkirk in August - that's 49% of daylight hours.

How warm is the sea around Dunkirk in August?

The average sea temperature around Dunkirk in August is 18°C.

Does it rain in Dunkirk in August?

There are usually 14 days with some rain in Dunkirk in August and the average monthly rainfall is 52mm.

Dunkirk August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:16 20:36
Saturday, 16th August 2025 05:39 20:09
Sunday, 31st August 2025 06:02 19:38

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