December weather forecast
Palmer, AK

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The scenic Mountain Park within the Mine State Historical Park in Palmer Province, Alaska
The scenic Mountain Park within the Mine State Historical Park in Palmer Province, Alaska

Weather in December

December in Palmer represents the thick of winter with some of the lowest temperatures of the year. Significant snowfall of 6.69" (170mm) indicates the onset of a true Alaska winter. Residents gear up to endure the harsh weather conditions that this frosty month throws their way. Moving towards January, the cold intensifies, snow piles up, and daylight hours continue to diminish. Despite the harsh weather, the spirit of the holiday season keeps Palmer’s inhabitants cheerful and warm.

Temperature

Upon the beginning of December, Palmer's high-temperatures register at a still subzero cold 19.8°F (-6.8°C), closely mirroring the preceding month. In Palmer, December nights cool down to an average of 9.9°F (-12.3°C).

Humidity

The average relative humidity in December is 85%.

Rainfall

In Palmer, during December, the rain falls for 11.7 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, there are 190.7 rainfall days, and 17.4" (442mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In December, in Palmer, it is snowing for 13.9 days. Throughout December, 6.69" (170mm) of snow is accumulated. In Palmer, during the entire year, snow falls for 76.2 days and aggregates up to 33.5" (851mm) of snow.

Daylight

With an average of 5h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 9:47 am and sunset at 3:44 pm. On the last day of December, sunrise is at 10:14 am and sunset at 3:45 pm AKST.

Sunshine

December has the least sunshine of the year, with an average of 3.9h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: An average UV index of 1 in December transforms into this advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Frequently asked questions

How cold is it in December?

During December, Palmer experiences an average high-temperature of 19.8°F (-6.8°C) and a low-temperature of 9.9°F (-12.3°C).

What is the average humidity in December?

In Palmer, the average relative humidity in December is 85%.

How many days does it rain in December?

In Palmer, during December, the rain falls for 11.7 days and regularly aggregates up to 1.38" (35mm) of precipitation.

How many days does it snow in December?

In Palmer, in December, during 13.9 snowfall days, 6.69" (170mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 5h and 30min of daylight.

What is the average length of the day in December?

In Palmer, the average day length in December is 5h and 29min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 9:47 am and sunset at 3:44 pm. On the last day of the month, sunrise is at 10:14 am and sunset at 3:45 pm AKST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 3.9h of sunshine.

How many hours of sunshine does Palmer have in December?

In Palmer, the average sunshine duration in December is 3.9h.

What is the month with the lowest UV index in Palmer?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December?

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Palmer, AK

Average temperature in December - Palmer, AK
  • Average high temperature in December: 19.8°F

The warmest month (with the highest average high temperature) is July (61.2°F).
The month with the lowest average high temperature is January (18.1°F).

  • Average low temperature in December: 9.9°F

The month with the highest average low temperature is July (44.2°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).

Average pressure in December
Palmer, AK

Average pressure in December - Palmer, AK
  • Average pressure in December: 29.7"Hg

The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.7"Hg).

Average wind speed in December
Palmer, AK

Average wind speed in December - Palmer, AK
  • Average wind speed in December: 5.4mph

The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is July (4mph).

Average humidity in December
Palmer, AK

Average humidity in December - Palmer, AK
  • Average humidity in December: 85%

The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are May and June (69%).

Average rainfall in December
Palmer, AK

Average rainfall in December - Palmer, AK
  • Average rainfall in December: 1.38"

The wettest month (with the highest rainfall) is September (2.24").
The driest month (with the least rainfall) is January (0.91").

Average rainfall days in December
Palmer, AK

Average rainfall days in December - Palmer, AK
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is June (22.4 days).
The month with the least rainy days is February (8.9 days).

Average snowfall in December
Palmer, AK

Average snowfall in December - Palmer, AK
  • Average snowfall in December: 6.69"

The month with the highest snowfall is February (6.93").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Palmer, AK

Average snowfall days in December - Palmer, AK
  • Average snowfall days in December: 13.9 days

The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Palmer, AK

Average daylight in December / Average sunshine in December - Palmer, AK
  • Average daylight in December: 5h and 3min

The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 30min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is May (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).

Average sunshine days in December
Palmer, AK

Average sunshine days in December - Palmer, AK
  • Average sunshine days in December: 12.5 days

The month with the most sunshine days is January (13.9 days).
The month with the least sunshine days is June (5.3 days).

Average UV index in December
Palmer, AK

Average UV index in December - Palmer, AK
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Palmer, AK

Average cloud cover in December - Palmer, AK
  • Average cloud cover in December: 43

The month with the most cloud cover is April (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 37).

Average visibility in December
Palmer, AK

Average visibility in December - Palmer, AK
  • Average visibility in December: 5mi

The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are February, March and April (4mi).

Palmer, Alaska, USA

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