December weather forecast and climate
Palmer, AK

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

The first month of the winter, December, is also a subzero cold month in Palmer, Alaska, with average temperature fluctuating between 19.8°F (-6.8°C) and 9.9°F (-12.3°C).

Temperature

In December, the average high-temperature is essentially the same as in November - a still freezing cold 19.8°F (-6.8°C). In December, in Palmer, the average low-temperature is 9.9°F (-12.3°C).

Humidity

In Palmer, 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. In Palmer, during the entire year, the rain falls for 190.7 days and collects up to 17.4" (442mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Palmer, during December, snow falls for 13.9 days and regularly aggregates up to 6.69" (170mm) of snow. In Palmer, Alaska, during the entire year, snow falls for 76.2 days, and aggregates up to 33.5" (851mm) of snow.

Daylight

The month with the shortest days in Palmer is December, with an average of 5.5h of daylight.

Sunshine

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

UV index

Months with the lowest UV index in Palmer are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 1 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Palmer?

In December, the average high-temperature is 19.8°F (-6.8°C), and the average low-temperature is 9.9°F (-12.3°C).

What is the average humidity in December in Palmer?

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

How much does it rain in Palmer in December?

In December, the rain falls for 11.7 days. Throughout December, 1.38" (35mm) of precipitation is accumulated.

How much does it snow in Palmer in December?

In Palmer, in December, snow falls for 13.9 days, with typically accumulated 6.69" (170mm) of snow.

What is the month with the shortest days in Palmer?

December has the shortest days of the year in Palmer, Alaska, with an average of 5.5h of daylight.

How many hours of daylight does Palmer have in December?

In Palmer, Alaska, the average length of the day in December is 5.5h.

What is the month with the least sunshine in Palmer?

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

How long on average sun shines in December in Palmer?

In December, the average sunshine is 3.9h.

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

Months with the lowest UV index in Palmer are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Palmer?

In Palmer, Alaska, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in December
Palmer, AK

Average temperature in December - Palmer, AK
  • Average high temperature in December: -6.8°C

The warmest month (with the highest average high temperature) is July (16.2°C).
The month with the lowest average high temperature is January (-7.7°C).

  • Average low temperature in December: -12.3°C

The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is January (-13.3°C).

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Average pressure in December
Palmer, AK

Average pressure in December - Palmer, AK
  • Average pressure in December: 1005.7mbar

The month with the highest atmospheric pressure is July (1014.6mbar).
Months with the lowest atmospheric pressure are November and December (1005.7mbar).

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Average wind speed in December
Palmer, AK

Average wind speed in December - Palmer, AK
  • Average wind speed in December: 8.7km/h

The windiest month (with the highest average wind speed) is January (8.9km/h).
The calmest month (with the lowest average wind speed) is July (6.5km/h).

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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%).
Months with the lowest relative humidity are May and June (69%).

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Average rainfall in December
Palmer, AK

Average rainfall in December - Palmer, AK
  • Average rainfall in December: 35mm

The wettest month (with the highest rainfall) is September (57mm).
The driest month (with the least rainfall) is January (23mm).

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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).

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Average snowfall in December
Palmer, AK

Average snowfall in December - Palmer, AK
  • Average snowfall in December: 170mm

The month with the highest snowfall is February (176mm).
Months with the least snowfall are June, July and August (0mm).

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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).
Months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Palmer, AK
  • Average daylight in December: 5.5h

The month with the longest days is June (Average daylight: 19.4h).
The month with the shortest days is December (Average daylight: 5.5h).

  • Average sunshine in December: 3.9h

The month with the most sunshine is May (Average sunshine: 11.8h).
The month with the least sunshine is December (Average sunshine: 3.9h).

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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).

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Average UV index in December
Palmer, AK

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

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

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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).

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Average visibility in December
Palmer, AK

Average visibility in December - Palmer, AK
  • Average visibility in December: 8km

Months with the highest visibility are May, June, July, August, September, October and November (9km).
Months with the lowest visibility are February, March and April (7km).

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