The temperatures in Iceland in August are quite cold with temperatures between 9°C and 13°C, warm clothes are a must.
You can expect rain for roughly half of the month of August in Iceland. 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 Iceland in August 2025.
If you’re planning to visit Iceland in the near future, we highly recommend that you review the 14 day weather forecast for Iceland before you arrive.
Temperatures
13° / 9°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
97
mm
Sun Hours
7.0
Hrs
