Sonderborg weather in August 2025

Expect 20°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Sonderborg in August. Check more long-term weather averages for Sonderborg in August before you book your next holiday to Denmark in 2025/2026.

  • 20°C maximum daytime temperature in August in Sonderborg20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in August in Sonderborg14
    14 days with some rainfall
  • 12°C minimum night-time temperature in August in Sonderborg12
    12°C min night temperature
  • 15 hours of daylight per day in August in Sonderborg15
    15 hours of daylight per day
  • No heat & humidity in August in Sonderborg0
    No heat & humidity
  • 68 mm monthly rainfall in August in Sonderborg68
    68 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Sonderborg5
    5 (Moderate) UV index
  • 18°C sea temperature in August in Sonderborg18
    18°C sea temperature

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The August weather guide for Denmark (Sonderborg) 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 Denmark

How hot is it in Sonderborg in August?

Daytime temperatures usually reach 20°C in Sonderborg in August, falling to 12°C at night.

How sunny is it in Sonderborg in August?

There are normally 7 hours of bright sunshine each day in Sonderborg in August - that's 46% of daylight hours.

How warm is the sea around Sonderborg in August?

The average sea temperature around Sonderborg in August is 18°C.

Does it rain in Sonderborg in August?

There are usually 14 days with some rain in Sonderborg in August and the average monthly rainfall is 68mm.

Sonderborg August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:30 20:23
Saturday, 16th August 2025 04:58 19:51
Sunday, 31st August 2025 05:26 19:15

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