Roscoff weather in August 2025

Expect 68°F 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.

  • 68°F maximum daytime temperature in August in Roscoff68
    68°F max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in August in Roscoff13
    13 days with some rainfall
  • 55°F minimum night-time temperature in August in Roscoff55
    55°F 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
  • 2.6 inches monthly rainfall in August in Roscoff2.6
    2.6 inches of monthly rainfall
  • UV (maximum) index 6 (High) in August in Roscoff6
    6 (High) UV index
  • 61°F sea temperature in August in Roscoff61
    61°F 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)  |  Imperial (°F)

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How hot is it in Roscoff in August?

Daytime temperatures usually reach 68°F in Roscoff in August, falling to 55°F 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 61°F.

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 2.6 inches.

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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