Loch Lomond weather in August 2025

Expect 18°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Loch Lomond in August based on long-term weather averages. There is usually 20 days with some rainfall and 150 mm of average monthly rainfall in August.

  • 18°C maximum daytime temperature in August in Loch Lomond18
    18°C max day temperature
  • 4 hours of sunshine per day
  • 20 days with some rainfall in August in Loch Lomond20
    20 days with some rainfall
  • 10°C minimum night-time temperature in August in Loch Lomond10
    10°C min night temperature
  • 15 hours of daylight per day in August in Loch Lomond15
    15 hours of daylight per day
  • No heat & humidity in August in Loch Lomond0
    No heat & humidity
  • 150 mm monthly rainfall in August in Loch Lomond150
    150 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Loch Lomond5
    5 (Moderate) UV index

More about Loch Lomond

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The August weather guide for Scotland (Loch Lomond) 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 hot is it in Loch Lomond in August?

Daytime temperatures usually reach 18°C in Loch Lomond in August, falling to 10°C at night.

How sunny is it in Loch Lomond in August?

There are normally 4 hours of bright sunshine each day in Loch Lomond in August - that's 29% of daylight hours.

Does it rain in Loch Lomond in August?

There are usually 20 days with some rain in Loch Lomond in August and the average monthly rainfall is 150mm.

Loch Lomond August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:22 20:26
Saturday, 16th August 2025 04:51 19:53
Sunday, 31st August 2025 05:21 19:15

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