Denali National Park and Preserve
Alaska, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Denali National Park and Preserve, AK

Wonder Lake in Denali National Park and Preserve, Alaska
Wonder Lake in Denali National Park and Preserve, Alaska
December, the first month of the winter, in Denali National Park and Preserve, is still an extremely cold month, with average temperature ranging between min -9.4°F (-23°C) and max 6.8°F (-14°C).

Temperature

In Denali National Park and Preserve, the average high-temperature in December is essentially the same as in November - a still frigid cold 6.8°F (-14°C). The average low-temperature, in December, is -9.4°F (-23°C).

Rainfall

In Denali National Park and Preserve, during December, the rain falls for 12 days and regularly aggregates up to 0.9" (23mm) of precipitation. Throughout the year, in Denali National Park and Preserve, there are 145 rainfall days, and 16.9" (428mm) of precipitation is accumulated.

Daylight

The month with the shortest days in Denali National Park and Preserve is December, with an average of 4.9h of daylight.

Sunshine

January, November and December, with an average of 2h of sunshine, are months with the least sunshine in Denali National Park and Preserve.

UV index

January, February, November and December, with an average maximum UV index of 0, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 0 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in December in Denali National Park and Preserve?

In Denali National Park and Preserve, in December, the average high-temperature is 6.8°F (-14°C), and the average low-temperature is -9.4°F (-23°C).

How many days does it rain in December in Denali National Park and Preserve?

In December, in Denali National Park and Preserve, Alaska, the rain falls for 12 days. Throughout December, 0.9" (23mm) of precipitation is accumulated.

What is the month with the shortest days in Denali National Park and Preserve?

December has the shortest days of the year, with an average of 4.9h of daylight.

What is the average length of the day in December in Denali National Park and Preserve?

In Denali National Park and Preserve, the average length of the day in December is 4.9h.

What is the month with the least sunshine in Denali National Park and Preserve?

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

How long on average sun shines in December in Denali National Park and Preserve?

In Denali National Park and Preserve, Alaska, the average sunshine in December is 2h.

What is the month with the lowest UV index in Denali National Park and Preserve?

January, February, November and December, with an average maximum UV index of 0, are months with the lowest UV index.

How high is the UV index in December in Denali National Park and Preserve?

The average daily maximum UV index in December in Denali National Park and Preserve, Alaska, is 0. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays.
Average temperature in December - Denali National Park and Preserve, AK
  • Average high temperature in December: 7°F

The warmest month (with the highest average high temperature) is July (57°F).
The month with the lowest average high temperature is January (5°F).

  • Average low temperature in December: -9°F

The month with the highest average low temperature is July (39°F).
The coldest month (with the lowest average low temperature) is January (-13°F).

Average rainfall in December - Denali National Park and Preserve, AK
  • Average rainfall in December: 0.9"

The wettest month (with the highest rainfall) is July (3").
Driest months (with the lowest rainfall) are April and May (0.7").

Average rainfall days in December - Denali National Park and Preserve, AK
  • Average rainfall days in December: 12 days

Months with the highest number of rainy days are July and August (16 days).
The month with the lowest number of rainy days is April (8 days).

Average daylight in December / Average sunshine in December - Denali National Park and Preserve, AK
  • Average daylight in December: 4.9h

The month with the longest days is June (Average daylight: 20.2h).
The month with shortest days is December (Average daylight: 4.9h).

  • Average sunshine in December: 2h

Months with most sunshine are May and June (Average sunshine: 9h).
Months with least sunshine are January, November and December (Average sunshine: 2).

Average UV index in December - Denali National Park and Preserve, AK
  • Average UV index in December: 0

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 0).