Weymouth weather in August 2025

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

  • 20°C maximum daytime temperature in August in Weymouth20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in August in Weymouth12
    12 days with some rainfall
  • 13°C minimum night-time temperature in August in Weymouth13
    13°C min night temperature
  • 14 hours of daylight per day in August in Weymouth14
    14 hours of daylight per day
  • No heat & humidity in August in Weymouth0
    No heat & humidity
  • 59 mm monthly rainfall in August in Weymouth59
    59 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in Weymouth6
    6 (High) UV index
  • 17°C sea temperature in August in Weymouth17
    17°C sea temperature

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The August weather guide for England (Weymouth) 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 England

How hot is it in Weymouth in August?

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

How sunny is it in Weymouth in August?

There are normally 7 hours of bright sunshine each day in Weymouth in August - that's 46% of daylight hours.

How warm is the sea around Weymouth in August?

The average sea temperature around Weymouth in August is 17°C.

Does it rain in Weymouth in August?

There are usually 12 days with some rain in Weymouth in August and the average monthly rainfall is 59mm.

Weymouth August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:37 19:54
Saturday, 16th August 2025 05:00 19:27
Sunday, 31st August 2025 05:23 18:57

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