Iona weather in August 2025

Expect 17°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Iona in August. Check more long-term weather averages for Iona in August before you book your next holiday to Scotland in 2025/2026.

  • 17°C maximum daytime temperature in August in Iona17
    17°C max day temperature
  • 5 hours of sunshine per day
  • 19 days with some rainfall in August in Iona19
    19 days with some rainfall
  • 11°C minimum night-time temperature in August in Iona11
    11°C min night temperature
  • 15 hours of daylight per day in August in Iona15
    15 hours of daylight per day
  • No heat & humidity in August in Iona0
    No heat & humidity
  • 130 mm monthly rainfall in August in Iona130
    130 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Iona5
    5 (Moderate) UV index
  • 14°C sea temperature in August in Iona14
    14°C sea temperature

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The August weather guide for Scotland (Iona) 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 Iona in August?

Daytime temperatures usually reach 17°C in Iona in August, falling to 11°C at night.

How sunny is it in Iona in August?

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

How warm is the sea around Iona in August?

The average sea temperature around Iona in August is 14°C.

Does it rain in Iona in August?

There are usually 19 days with some rain in Iona in August and the average monthly rainfall is 130mm.

Iona August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:28 20:34
Saturday, 16th August 2025 04:58 20:01
Sunday, 31st August 2025 05:28 19:23

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