The temperatures in Celje in August are comfortable with low of 12°C and and high up to 28°C.
You can expect about 3 to 8 days of rain in Celje during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Celje in August 2025.
If you’re planning to visit Celje in the near future, we highly recommend that you review the 14 day weather forecast for Celje before you arrive.
Temperatures
28° / 12°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
116
mm
Sun Hours
11.3
Hrs
