The temperatures in Semmering in August are comfortable with low of 13°C and and high up to 22°C.
You can expect rain for roughly half of the month of August in Semmering. 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 Semmering in August 2026.
If you’re planning to visit Semmering in the near future, we highly recommend that you review the 14 day weather forecast for Semmering before you arrive.
Temperatures
22° / 13°
Rainy Days
14
Snowy Days
0
Dry Days
17
Rainfall
150
mm
Sun Hours
6.2
Hrs