Douglas weather in August 2025

Expect 63°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Douglas in August. Check more long-term weather averages for Douglas in August before you book your next holiday to Isle of Man in 2025/2026.

  • 63°F maximum daytime temperature in August in Douglas63
    63°F max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in August in Douglas15
    15 days with some rainfall
  • 52°F minimum night-time temperature in August in Douglas52
    52°F min night temperature
  • 15 hours of daylight per day in August in Douglas15
    15 hours of daylight per day
  • No heat & humidity in August in Douglas0
    No heat & humidity
  • 4.8 inches monthly rainfall in August in Douglas4.8
    4.8 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Douglas5
    5 (Moderate) UV index
  • 59°F sea temperature in August in Douglas59
    59°F sea temperature

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The August weather guide for Isle of Man, represented by Douglas, (Douglas) 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 warm is it in Douglas in August?

Daytime temperatures usually reach 63°F in Douglas in August, falling to 52°F at night.

How sunny is it in Douglas in August?

There are normally 6 hours of bright sunshine each day in Douglas in August - that's 38% of daylight hours.

How warm is the sea around Douglas in August?

The average sea temperature around Douglas in August is 59°F.

Does it rain in Douglas in August?

There are usually 15 days with some rain in Douglas in August and the average monthly rainfall is 4.8 inches.

Douglas August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:31 20:16
Saturday, 16th August 2025 04:57 19:46
Sunday, 31st August 2025 05:24 19:11

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