December weather forecast and climate
Pleasant Valley, AK

Weather in December

The first month of the winter, December, is also a frigid cold month in Pleasant Valley, Alaska, with temperature in the range of an average low of -4.4°F (-20.2°C) and an average high of 6.3°F (-14.3°C).

Temperature

In Pleasant Valley, the average high-temperature marginally drops, from 11.8°F (-11.2°C) in November, to a still frigid cold 6.3°F (-14.3°C). The average low-temperature, in Pleasant Valley, is -4.4°F (-20.2°C).

Humidity

The average relative humidity is 91%.

Rainfall

In Pleasant Valley, in December, during 3.4 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, in Pleasant Valley, Alaska, there are 101.2 rainfall days, and 10.59" (269mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Pleasant Valley are January through May, August through December. In Pleasant Valley, during 11 snowfall days, 2.72" (69mm) of snow is typically accumulated. Throughout the year, there are 76.9 snowfall days, and 24.37" (619mm) of snow is accumulated.

Daylight

With an average of 3.9h of daylight, December has the shortest days of the year in Pleasant Valley, Alaska.

Sunshine

With an average of 2h of sunshine, December has the least sunshine of the year in Pleasant Valley.

UV index

Months with the lowest UV index are March, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 1 translate into the following recommendations:
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. 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. 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 Pleasant Valley?

The average high-temperature, in December, in Pleasant Valley, Alaska, is 6.3°F (-14.3°C), while the average low-temperature is -4.4°F (-20.2°C).

What is the average humidity in December in Pleasant Valley?

In December, the average relative humidity is 91%.

How many days does it rain in December in Pleasant Valley?

In Pleasant Valley, Alaska, in December, during 3.4 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

How many days does it snow in December in Pleasant Valley?

In Pleasant Valley, during December, snow falls for 11 days and regularly aggregates up to 2.72" (69mm) of snow.

What is the month with the shortest days in Pleasant Valley?

With an average of 3.9h of daylight, December has the shortest days of the year in Pleasant Valley.

How many hours of daylight does Pleasant Valley have in December?

In December, the average length of the day in Pleasant Valley is 3.9h.

What is the month with the least sunshine in Pleasant Valley?

The month with the least sunshine in Pleasant Valley is December, with an average of 2h of sunshine.

How many hours of sunshine does Pleasant Valley have in December?

The average sunshine in December in Pleasant Valley, Alaska, is 2h.

When is the lowest UV index in Pleasant Valley?

March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Pleasant Valley.

What is the UV index intensity in December in Pleasant Valley?

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

Average temperature in December
Pleasant Valley, AK

Average temperature in December - Pleasant Valley, AK
  • Average high temperature in December: 6.3°F

The warmest month (with the highest average high temperature) is July (71.1°F).
The month with the lowest average high temperature is January (2.1°F).

  • Average low temperature in December: -4.4°F

The month with the highest average low temperature is July (50.7°F).
The coldest month (with the lowest average low temperature) is January (-8.9°F).

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Average pressure in December
Pleasant Valley, AK

Average pressure in December - Pleasant Valley, AK
  • Average pressure in December: 29.86"

The month with the highest atmospheric pressure is February (29.97").
The month with the lowest atmospheric pressure is September (29.77").

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Average wind speed in December
Pleasant Valley, AK

Average wind speed in December - Pleasant Valley, AK
  • Average wind speed in December: 4.3mph

The windiest month (with the highest average wind speed) is May (5.1mph).
The calmest months (with the lowest average wind speed) are August, October, November and December (4.3mph).

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Average humidity in December
Pleasant Valley, AK

Average humidity in December - Pleasant Valley, AK
  • Average humidity in December: 91%

The month with the highest relative humidity is March (92%).
Months with the lowest relative humidity are May and June (56%).

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Average rainfall in December
Pleasant Valley, AK

Average rainfall in December - Pleasant Valley, AK
  • Average rainfall in December: 0.39"

The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in December
Pleasant Valley, AK

Average rainfall days in December - Pleasant Valley, AK
  • Average rainfall days in December: 3.4 days

The month with the highest number of rainy days is August (17 days).
The month with the least rainy days is February (2.3 days).

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Average snowfall in December
Pleasant Valley, AK

Average snowfall in December - Pleasant Valley, AK
  • Average snowfall in December: 2.72"

The month with the highest snowfall is November (6.1").
Months with the least snowfall are June and July (0").

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Average snowfall days in December
Pleasant Valley, AK

Average snowfall days in December - Pleasant Valley, AK
  • Average snowfall days in December: 11 days

The month with the highest number of snowfall days is November (13.6 days).
Months with the least snowfall days are June and July (0 days).

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Average daylight in December /
Average sunshine in December
Pleasant Valley, AK

Average daylight in December / Average sunshine in December - Pleasant Valley, AK
  • Average daylight in December: 3.9h

The month with the longest days is June (Average daylight: 21.6h).
The month with the shortest days is December (Average daylight: 3.9h).

  • Average sunshine in December: 2h

The month with the most sunshine is June (Average sunshine: 12.4h).
The month with the least sunshine is December (Average sunshine: 2h).

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Average sunshine days in December
Pleasant Valley, AK

Average sunshine days in December - Pleasant Valley, AK
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is August (12.4 days).

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Average UV index in December
Pleasant Valley, AK

Average UV index in December - Pleasant Valley, AK
  • Average UV index in December: 1

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are March, November and December (UV index 1).

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Average cloud cover in December
Pleasant Valley, AK

Average cloud cover in December - Pleasant Valley, AK
  • Average cloud cover in December: 49

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is May (Cloud cover 38).

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Average visibility in December
Pleasant Valley, AK

Average visibility in December - Pleasant Valley, AK
  • Average visibility in December: 4mi

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

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