The temperatures in Tallinn in August are usually low and can range between 14°C and 20°C.
You can expect rain for roughly half of the month of August in Tallinn. 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 Tallinn in August 2025.
If you’re planning to visit Tallinn in the near future, we highly recommend that you review the 14 day weather forecast for Tallinn before you arrive.
Temperatures
20° / 14°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
139
mm
Sun Hours
10.2
Hrs
