The temperatures in Lappeenranta 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 Lappeenranta 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 Lappeenranta in August 2025.
If you’re planning to visit Lappeenranta in the near future, we highly recommend that you review the 14 day weather forecast for Lappeenranta before you arrive.
Temperatures
20° / 12°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
108
mm
Sun Hours
9.5
Hrs