August weather forecast
Denali National Park and Preserve, AK

As August rolls in, weather patterns in Denali National Park and Preserve begin their transition back towards cooler temperatures. Although the remnants of summer weather can still be felt with high temperatures lingering at 54°F (12.2°C), the arrival of August is a telltale sign of oncoming autumn. There is a drop in daylight hours to 16.1, signaling an imminent change. While rainfall remains nearly constant, the reduction in daily sunlight hints at the slow swing from summer ending to autumn beginning. Thus, August serves as a pivotal turn point in Denali National Park and Preserve's weather cycle.

Temperature

An average high-temperature of a cool 53.6°F (12°C) marks August in Denali National Park and Preserve, exhibiting a close resemblance to the conditions in July. Denali National Park and Preserve records an average nighttime low-temperature of 35.6°F (2°C) throughout August.

Rainfall

In August, the rain falls for 16 days. Throughout August, 2.91" (74mm) of precipitation is accumulated. In Denali National Park and Preserve, during the entire year, the rain falls for 145 days and collects up to 16.85" (428mm) of precipitation.

Daylight

In Denali National Park and Preserve, the average length of the day in August is 16h and 4min.
On the first day of August in Denali National Park and Preserve, sunrise is at 5:24 am and sunset at 10:57 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 9:18 pm AKDT.

Sunshine

The average sunshine in August is 6h.

UV index

In August, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 during August translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.