Falmouth weather in August 2025

Expect 66°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Falmouth in August. Check more long-term weather averages for Falmouth in August before you book your next holiday to England in 2025/2026.

  • 66°F maximum daytime temperature in August in Falmouth66
    66°F max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in August in Falmouth14
    14 days with some rainfall
  • 55°F minimum night-time temperature in August in Falmouth55
    55°F min night temperature
  • 14 hours of daylight per day in August in Falmouth14
    14 hours of daylight per day
  • No heat & humidity in August in Falmouth0
    No heat & humidity
  • 2.9 inches monthly rainfall in August in Falmouth2.9
    2.9 inches of monthly rainfall
  • UV (maximum) index 6 (High) in August in Falmouth6
    6 (High) UV index
  • 63°F sea temperature in August in Falmouth63
    63°F sea temperature

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The August weather guide for England (Falmouth) 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 England

How hot is it in Falmouth in August?

Daytime temperatures usually reach 66°F in Falmouth in August, falling to 55°F at night.

How sunny is it in Falmouth in August?

There are normally 6 hours of bright sunshine each day in Falmouth in August - that's 44% of daylight hours.

How warm is the sea around Falmouth in August?

The average sea temperature around Falmouth in August is 63°F.

Does it rain in Falmouth in August?

There are usually 14 days with some rain in Falmouth in August and the average monthly rainfall is 2.9 inches.

Falmouth August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:49 20:03
Saturday, 16th August 2025 05:11 19:37
Sunday, 31st August 2025 05:34 19:06

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