Click on a day for an hourly weather forecast
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.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -17° / -22° | 5 | 25 | 1 | 8 mm | Awful | Denali National Park in January |
| February | -13° / -19° | 8 | 19 | 2 | 17 mm | Awful | Denali National Park in February |
| March | -8° / -15° | 5 | 25 | 2 | 11 mm | Awful | Denali National Park in March |
| April | 2° / -6° | 4 | 23 | 3 | 12 mm | Awful | Denali National Park in April |
| May | 13° / 4° | 5 | 26 | 0 | 26 mm | Ok | Denali National Park in May |
| June | 19° / 10° | 8 | 22 | 0 | 63 mm | Ok | Denali National Park in June |
| July | 20° / 12° | 8 | 23 | 0 | 71 mm | Ok | Denali National Park in July |
| August | 17° / 9° | 9 | 22 | 0 | 86 mm | Ok | Denali National Park in August |
| September | 10° / 4° | 6 | 23 | 1 | 50 mm | Ok | Denali National Park in September |
| October | 1° / -4° | 6 | 23 | 2 | 29 mm | Awful | Denali National Park in October |
| November | -11° / -15° | 7 | 20 | 3 | 24 mm | Awful | Denali National Park in November |
| December | -15° / -20° | 8 | 20 | 2 | 22 mm | Awful | Denali National Park in December |