Roscoff weather in August 2025

Expect 20°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Roscoff in August. Check more long-term weather averages for Roscoff in August before you book your next holiday to France in 2025/2026.

  • 20°C maximum daytime temperature in August in Roscoff20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in August in Roscoff13
    13 days with some rainfall
  • 13°C minimum night-time temperature in August in Roscoff13
    13°C min night temperature
  • 14 hours of daylight per day in August in Roscoff14
    14 hours of daylight per day
  • No heat & humidity in August in Roscoff0
    No heat & humidity
  • 65 mm monthly rainfall in August in Roscoff65
    65 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in Roscoff6
    6 (High) UV index
  • 16°C sea temperature in August in Roscoff16
    16°C sea temperature

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The August weather guide for France (Roscoff) 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 Roscoff in August?

Daytime temperatures usually reach 20°C in Roscoff in August, falling to 13°C at night.

How sunny is it in Roscoff in August?

There are normally 7 hours of bright sunshine each day in Roscoff in August - that's 48% of daylight hours.

How warm is the sea around Roscoff in August?

The average sea temperature around Roscoff in August is 16°C.

Does it rain in Roscoff in August?

There are usually 13 days with some rain in Roscoff in August and the average monthly rainfall is 65mm.

Roscoff August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:50 20:54
Saturday, 16th August 2025 06:11 20:29
Sunday, 31st August 2025 06:32 20:00

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