January weather forecast
Denali National Park and Preserve, AK

January's weather in Denali National Park and Preserve shows the true strength of Alaskan winters. There is a noticeable difference between high temperatures, which average 5°F (-15°C), and low temperatures, which can plummet to -13°F (-25°C). This is the time when visitors can experience the lowest average daylight hours, which is about 6 hours. This month is recognized for its distinct lack of UV exposure and a significant reduction in sunshine hours. The remarkable contrast between frigid temperatures and decreased daylight defines January's Alaskan weather.

Temperature

January stands out as Denali National Park and Preserve's coldest month, with temperatures ranging between an average high of 5°F (-15°C) and a low of -13°F (-25°C).

Rainfall

In Denali National Park and Preserve, in January, it is raining for 9 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, there are 145 rainfall days, and 16.85" (428mm) of precipitation is accumulated.

Daylight

In Denali National Park and Preserve, the average length of the day in January is 5h and 59min.
On the first day of the month, sunrise is at 10:41 am and sunset at 3:35 pm. On the last day of January, in Denali National Park and Preserve, sunrise is at 9:40 am and sunset at 4:56 pm AKST.

Sunshine

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

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 0. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In January, the UV index of 0 transforms into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.