The temperatures in Hameenlinna in May are quite cold with temperatures between 5°C and 15°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Hameenlinna during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that Hameenlinna can expect a few days of snow in May.
Our weather forecast can give you a great sense of what weather to expect in Hameenlinna in May 2025.
If you’re planning to visit Hameenlinna in the near future, we highly recommend that you review the 14 day weather forecast for Hameenlinna before you arrive.
Temperatures
15° / 5°
Rainy Days
6
Snowy Days
1
Dry Days
23
Rainfall
67
mm
Sun Hours
8.4
Hrs
