The temperatures in Ostrava in August are comfortable with low of 14°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Ostrava 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 Ostrava in August 2025.
If you’re planning to visit Ostrava in the near future, we highly recommend that you review the 14 day weather forecast for Ostrava before you arrive.
Temperatures
25° / 14°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
106
mm
Sun Hours
10.9
Hrs
