The temperatures in Vaasa in August are usually low and can range between 13°C and 18°C.
You can expect rain for roughly half of the month of August in Vaasa. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Vaasa in August 2025.
If you’re planning to visit Vaasa in the near future, we highly recommend that you review the 14 day weather forecast for Vaasa before you arrive.
Temperatures
18° / 13°
Rainy Days
9
Snowy Days
0
Dry Days
22
Rainfall
135
mm
Sun Hours
9.7
Hrs
