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
20°C max day temperature
7
7 hours of sunshine per day
14
14 days with some rainfall
12
12°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
68
68 mm of monthly rainfall
5
5 (Moderate) UV index
18
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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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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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Denmark - quick facts
Flight time^✝	2 hours
Time difference	UK +1 hour
Language(s)	Danish, English
Currency	Danish Krone
Electricity	C + E + F + K plug (230V)
Driving side	Right
Why visit?	Culture
Tourist info	Visit Denmark