Dumfries weather in August 2026

Expect daytime maximum temperatures of 18°C in Dumfries, Scotland in August based on long-term weather averages. There are 5 hours of sunshine per day on average with 17 days with some rainfall and typically 95 mm of rainfall in the month.

  • 18°C maximum daytime temperature in August in Dumfries18
    18°C max day temperature
  • 5 hours of sunshine per day
  • 17 days with some rainfall in August in Dumfries17
    17 days with some rainfall
  • 10°C minimum night-time temperature in August in Dumfries10
    10°C min night temperature
  • 15 hours of daylight per day in August in Dumfries15
    15 hours of daylight per day
  • No heat & humidity in August in Dumfries0
    No heat & humidity
  • 95 mm monthly rainfall in August in Dumfries95
    95 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Dumfries5
    5 (Moderate) UV index

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

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

How sunny is it in Dumfries in August?

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

How warm is the sea around Dumfries in August?

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

Does it rain in Dumfries in August?

There are usually 16 days with some rain in Dumfries in August and the average monthly rainfall is 70mm.

Dumfries August sunrise & sunset times

Browse the sunrise and sunset times for Dumfries in August 2026. Select a month to view Dumfries sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st August 2026 04:23 20:17
Sunday, 16th August 2026 04:50 19:46
Monday, 31st August 2026 05:19 19:10

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