December weather forecast
Denali National Park and Preserve, AK

December ushers in winter with its frigid climax in Denali National Park and Preserve. Matching the lowest UV index of the year with January, December also experiences the least amount of daylight, offering just 4.9 hours. While the temperatures continue to plummet, there is a minute increase in rainfall from the previous month. These extreme weather conditions define December and denote the arrival of quintessential Alaskan winter. The park embraces the chill as a regular part of its weather cycle, setting the stage for the new year.

Temperature

Denali National Park and Preserve notes an average high-temperature of an extremely cold 6.8°F (-14°C) in December, hardly diverging from November. In December, the temperature in Denali National Park and Preserve drops to an average of -9.4°F (-23°C) at night.

Rainfall

In December, the rain falls for 12 days. Throughout December, 0.91" (23mm) of precipitation is accumulated. In Denali National Park and Preserve, Alaska, during the entire year, the rain falls for 145 days and collects up to 16.85" (428mm) of precipitation.

Daylight

December has the shortest days of the year, with an average of 4h and 54min of daylight.
On the first day of December, sunrise is at 10:12 am and sunset at 3:36 pm. On the last day of the month, sunrise is at 10:41 am and sunset at 3:35 pm AKST.

Sunshine

January, November and December, with an average of 2h of sunshine, are months with the least sunshine.

UV index

January, February, November and December, with an average maximum UV index of 0, are months with the lowest UV index in Denali National Park and Preserve, Alaska. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 0 in December transforms into the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.