The temperatures in Mikkeli in August are usually low and can range between 12°C and 20°C.
You can expect about 3 to 8 days of rain in Mikkeli 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 Mikkeli in August 2025.
If you’re planning to visit Mikkeli in the near future, we highly recommend that you review the 14 day weather forecast for Mikkeli before you arrive.
Temperatures
20° / 12°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
86
mm
Sun Hours
9.6
Hrs
