December weather forecast and climate
Mendeltna, AK

Weather in December

December, the first month of the winter, in Mendeltna, is still an extremely cold month, with average temperature ranging between max 8.1°F (-13.3°C) and min -2.9°F (-19.4°C).

Temperature

In Mendeltna, the average high-temperature is essentially the same as in November - a still frigid cold 8.1°F (-13.3°C). In Mendeltna, the average low-temperature is -2.9°F (-19.4°C).

Humidity

Months with the highest humidity in Mendeltna are March and December, with an average relative humidity of 90%.

Rainfall

In Mendeltna, during December, the rain falls for 11.1 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Mendeltna, during the entire year, the rain falls for 165.3 days and collects up to 17.99" (457mm) of precipitation.

Snowfall

Months with snowfall are January through June, August through December. The month with the most snowfall in Mendeltna, Alaska, is December when snow falls for 22.3 days and typically aggregates up to 14.49" (368mm) of snow.

Daylight

With an average of 5.3h of daylight, December has the shortest days of the year.

Sunshine

The month with the least sunshine in Mendeltna is December, with an average of 3.7h of sunshine.

UV index

Months with the lowest UV index are January, April, September through December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Mendeltna?

In Mendeltna, Alaska, in December, the average high-temperature is 8.1°F (-13.3°C), and the average low-temperature is -2.9°F (-19.4°C).

What is the most humid month in Mendeltna?

Months with the highest humidity in Mendeltna, Alaska, are March and December, with an average relative humidity of 90%.

What is the average humidity in December in Mendeltna?

In Mendeltna, the average relative humidity in December is 90%.

How many days does it rain in December in Mendeltna?

In December, in Mendeltna, the rain falls for 11.1 days. Throughout December, 1.81" (46mm) of precipitation is accumulated.

How much does it snow in Mendeltna in December?

In Mendeltna, Alaska, in December, snow falls for 22.3 days, with typically accumulated 14.49" (368mm) of snow.

What is the snowiest month in Mendeltna?

December is the month with the most snowfall. Snow falls for 22.3 days and accumulates 14.49" (368mm) of snow.

What is the month with the shortest days in Mendeltna?

The month with the shortest days in Mendeltna, Alaska, is December, with an average of 5.3h of daylight.

What is the average length of the day in December in Mendeltna?

In December, the average length of the day in Mendeltna is 5.3h.

What is the month with the least sunshine in Mendeltna?

The month with the least sunshine is December, with an average of 3.7h of sunshine.

How many hours of sunshine does Mendeltna have in December?

In December, the average sunshine in Mendeltna, Alaska, is 3.7h.

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

Months with the lowest UV index in Mendeltna are January, April, September through December, with an average maximum UV index of 1.

How high is the UV index in December in Mendeltna?

The average daily maximum UV index in December in Mendeltna is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in December
Mendeltna, AK

Average temperature in December - Mendeltna, AK
  • Average high temperature in December: 8.1°F

The warmest month (with the highest average high temperature) is July (57.7°F).
The month with the lowest average high temperature is January (6.3°F).

  • Average low temperature in December: -2.9°F

The month with the highest average low temperature is July (43.7°F).
The coldest month (with the lowest average low temperature) is January (-5.6°F).

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Average pressure in December
Mendeltna, AK

Average pressure in December - Mendeltna, AK
  • Average pressure in December: 29.74"

The month with the highest atmospheric pressure is July (29.96").
Months with the lowest atmospheric pressure are November and December (29.74").

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Average wind speed in December
Mendeltna, AK

Average wind speed in December - Mendeltna, AK
  • Average wind speed in December: 4.2mph

The windiest month (with the highest average wind speed) is June (5mph).
The calmest month (with the lowest average wind speed) is March (3.9mph).

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Average humidity in December
Mendeltna, AK

Average humidity in December - Mendeltna, AK
  • Average humidity in December: 90%

Months with the highest relative humidity are March and December (90%).
The month with the lowest relative humidity is June (64%).

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Average rainfall in December
Mendeltna, AK

Average rainfall in December - Mendeltna, AK
  • Average rainfall in December: 1.81"

The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is April (0.83").

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Average rainfall days in December
Mendeltna, AK

Average rainfall days in December - Mendeltna, AK
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is February (9.1 days).

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Average snowfall in December
Mendeltna, AK

Average snowfall in December - Mendeltna, AK
  • Average snowfall in December: 14.49"

The month with the highest snowfall is December (14.49").
The month with the least snowfall is July (0").

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Average snowfall days in December
Mendeltna, AK

Average snowfall days in December - Mendeltna, AK
  • Average snowfall days in December: 22.3 days

The month with the highest number of snowfall days is December (22.3 days).
The month with the least snowfall days is July (0 days).

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

Average daylight in December / Average sunshine in December - Mendeltna, AK
  • Average daylight in December: 5.3h

The month with the longest days is June (Average daylight: 19.6h).
The month with the shortest days is December (Average daylight: 5.3h).

  • Average sunshine in December: 3.7h

The month with the most sunshine is June (Average sunshine: 12.6h).
The month with the least sunshine is December (Average sunshine: 3.7h).

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Average sunshine days in December
Mendeltna, AK

Average sunshine days in December - Mendeltna, AK
  • Average sunshine days in December: 7.6 days

The month with the most sunshine days is May (10.7 days).
The month with the least sunshine days is June (6.8 days).

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Average UV index in December
Mendeltna, AK

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

The month with the highest UV index is July (UV index 4).
Months with the lowest UV index are January, April, September, October, November and December (UV index 1).

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Average cloud cover in December
Mendeltna, AK

Average cloud cover in December - Mendeltna, AK
  • Average cloud cover in December: 47

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 37).

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Average visibility in December
Mendeltna, AK

Average visibility in December - Mendeltna, AK
  • Average visibility in December: 4mi

Months with the highest visibility are May, June, July, August and September (6mi).
Months with the lowest visibility are January, February, March, April, November and December (4mi).

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