The weather in Geilo in August is very cold with temperatures between 4°C and 14°C, warm clothes are a must.
You can expect rain for roughly half of the month of August in Geilo. 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 Geilo in August 2026.
If you’re planning to visit Geilo in the near future, we highly recommend that you review the 14 day weather forecast for Geilo before you arrive.
Temperatures
14° / 4°
Rainy Days
9
Snowy Days
0
Dry Days
22
Rainfall
115
mm
Sun Hours
9.9
Hrs
