The temperatures in Delemont in August are comfortable with low of 12°C and and high up to 24°C.
You can expect rain for roughly half of the month of August in Delemont. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Delemont in August 2026.
If you’re planning to visit Delemont in the near future, we highly recommend that you review the 14 day weather forecast for Delemont before you arrive.
Temperatures
24° / 12°
Rainy Days
9
Snowy Days
0
Dry Days
22
Rainfall
160
mm
Sun Hours
11.1
Hrs
