The temperatures in Denali National Park in August are quite cold with temperatures between 9°C and 17°C, warm clothes are a must.
You can expect rain for roughly half of the month of August in Denali National Park. 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 Denali National Park in August 2025.
If you’re planning to visit Denali National Park in the near future, we highly recommend that you review the 14 day weather forecast for Denali National Park before you arrive.
Temperatures
17° / 9°
Rainy Days
9
Snowy Days
0
Dry Days
22
Rainfall
86
mm
Sun Hours
3.5
Hrs
