Isle of Arran weather in August 2025

Expect 16°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Isle of Arran in August. Check more long-term weather averages for Isle of Arran in August before you book your next holiday to Scotland in 2025/2026.

  • 16°C maximum daytime temperature in August in Isle of Arran16
    16°C max day temperature
  • 5 hours of sunshine per day
  • 19 days with some rainfall in August in Isle of Arran19
    19 days with some rainfall
  • 9°C minimum night-time temperature in August in Isle of Arran9
    9°C min night temperature
  • 15 hours of daylight per day in August in Isle of Arran15
    15 hours of daylight per day
  • No heat & humidity in August in Isle of Arran0
    No heat & humidity
  • 136 mm monthly rainfall in August in Isle of Arran136
    136 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Isle of Arran5
    5 (Moderate) UV index
  • 15°C sea temperature in August in Isle of Arran15
    15°C sea temperature

More about Isle of Arran

Isle of Arran by month

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The August weather guide for Scotland (Isle of Arran) 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 Scotland

How warm is it in Isle of Arran in August?

Daytime temperatures usually reach 16°C in Isle of Arran in August, falling to 9°C at night.

How sunny is it in Isle of Arran in August?

There are normally 5 hours of bright sunshine each day in Isle of Arran in August - that's 31% of daylight hours.

How warm is the sea around Isle of Arran in August?

The average sea temperature around Isle of Arran in August is 15°C.

Does it rain in Isle of Arran in August?

There are usually 19 days with some rain in Isle of Arran in August and the average monthly rainfall is 136mm.

Isle of Arran August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:27 20:26
Saturday, 16th August 2025 04:56 19:53
Sunday, 31st August 2025 05:24 19:16

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