The temperatures in Kouvola in June are usually low and can range between 10°C and 19°C.
You can expect about 3 to 8 days of rain in Kouvola during the month of June. 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 Kouvola in June 2026.
If you’re planning to visit Kouvola in the near future, we highly recommend that you review the 14 day weather forecast for Kouvola before you arrive.
Temperatures
19° / 10°
Rainy Days
6
Snowy Days
0
Dry Days
24
Rainfall
82
mm
Sun Hours
9.6
Hrs
