December weather forecast
Napaskiak, AK

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Weather in December

The first month of the winter, December, is still a freezing cold month in Napaskiak, Alaska, with an average temperature fluctuating between 7.9°F (-13.4°C) and 16.7°F (-8.5°C).

Temperature

December heralds a minor drop in average high-temperature, sliding from November's 23.2°F (-4.9°C) to a still freezing cold 16.7°F (-8.5°C). Napaskiak indicates a consistently low-temperature of 7.9°F (-13.4°C) during the nights of December.

Humidity

In December, the average relative humidity is 90%.

Rainfall

In December, in Napaskiak, the rain falls for 5.6 days. Throughout December, 1.14" (29mm) of precipitation is accumulated. In Napaskiak, during the entire year, the rain falls for 129.5 days and collects up to 16.46" (418mm) of precipitation.

Snowfall

Months with snowfall in Napaskiak are January through May, September through December. In Napaskiak, in December, during 12.8 snowfall days, 3.5" (89mm) of snow is typically accumulated. Throughout the year, in Napaskiak, there are 74.8 snowfall days, and 22.91" (582mm) of snow is accumulated.

Daylight

With an average of 5h and 48min of daylight, December has the shortest days of the year in Napaskiak, Alaska.
On the first day of December in Napaskiak, Alaska, sunrise is at 10:29 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 10:55 am and sunset at 4:45 pm AKST.

Sunshine

With an average of 2.7h of sunshine, December has the least sunshine of the year in Napaskiak.

UV index

The months with the lowest UV index in Napaskiak, Alaska, are February, March and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 1 in December suggests the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

How cold is it in Napaskiak in December?

In Napaskiak, in December, the average high-temperature is 16.7°F (-8.5°C), and the average low-temperature is 7.9°F (-13.4°C).

What is the average humidity in December in Napaskiak?

In December, the average relative humidity is 90%.

How much does it rain in Napaskiak in December?

In Napaskiak, in December, during 5.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

How much does it snow in Napaskiak in December?

In Napaskiak, Alaska, during December, snow falls for 12.8 days and regularly aggregates up to 3.5" (89mm) of snow.

What is the month with the shortest days in Napaskiak?

December has the shortest days of the year in Napaskiak, with an average of 5h and 48min of daylight.

How many hours of daylight does Napaskiak have in December?

In Napaskiak, the average day length in December is 5h and 49min.

When is the sunrise / sunset in December in Napaskiak?

In December, on the first day of the month, sunrise is at 10:29 am and sunset at 4:42 pm. On the last day of the month, in Napaskiak, Alaska, sunrise is at 10:55 am and sunset at 4:45 pm AKST.

What is the month with the least sunshine in Napaskiak?

With an average of 2.7h of sunshine, December has the least sunshine of the year in Napaskiak, Alaska.

How many hours of sunshine does Napaskiak have in December?

The average sunshine duration in December in Napaskiak is 2.7h.

What are the months with the lowest UV index in Napaskiak?

The months with the lowest UV index in Napaskiak, Alaska, are February, March and December, with an average maximum UV index of 1.

What is the UV index reading in December in Napaskiak?

In Napaskiak, Alaska, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
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
Napaskiak, AK

Average temperature in December - Napaskiak, AK
  • Average high temperature in December: 16.7°F

The warmest month (with the highest average high temperature) is July (62.4°F).
The month with the lowest average high temperature is January (12.2°F).

  • Average low temperature in December: 7.9°F

The month with the highest average low temperature is July (49.6°F).
The coldest month (with the lowest average low temperature) is January (3.7°F).

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Average pressure in December
Napaskiak, AK

Average pressure in December - Napaskiak, AK
  • Average pressure in December: 29.64"Hg

The month with the highest atmospheric pressure is July (29.92"Hg).
The month with the lowest atmospheric pressure is December (29.64"Hg).

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Average wind speed in December
Napaskiak, AK

Average wind speed in December - Napaskiak, AK
  • Average wind speed in December: 12.1mph

The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

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Average humidity in December
Napaskiak, AK

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

The months with the highest relative humidity are January, February and March (91%).
The month with the lowest relative humidity is June (65%).

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Average rainfall in December
Napaskiak, AK

Average rainfall in December - Napaskiak, AK
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is August (2.09").
The driest months (with the least rainfall) are January and April (0.91").

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Average rainfall days in December
Napaskiak, AK

Average rainfall days in December - Napaskiak, AK
  • Average rainfall days in December: 5.6 days

The month with the highest number of rainy days is August (19.7 days).
The month with the least rainy days is March (4.4 days).

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Average snowfall in December
Napaskiak, AK

Average snowfall in December - Napaskiak, AK
  • Average snowfall in December: 3.5"

The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Napaskiak, AK

Average snowfall days in December - Napaskiak, AK
  • Average snowfall days in December: 12.8 days

The month with the highest number of snowfall days is December (12.8 days).
The 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
Napaskiak, AK

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

The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).

  • Average sunshine in December: 2h and 4min

The month with the most sunshine is May (Average sunshine: 8h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).

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Average sunshine days in December
Napaskiak, AK

Average sunshine days in December - Napaskiak, AK
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is March (17.5 days).
The month with the least sunshine days is August (8.6 days).

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Average UV index in December
Napaskiak, AK

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

The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are February, March and December (UV index 1).

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Average cloud cover in December
Napaskiak, AK

Average cloud cover in December - Napaskiak, AK
  • Average cloud cover in December: 62

The months with the most cloud cover are July and August (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 54).

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Average visibility in December
Napaskiak, AK

Average visibility in December - Napaskiak, AK
  • Average visibility in December: 6mi

The months with the highest visibility are May, June, July, August, September, October and December (6mi).
The months with the lowest visibility are January, February, March, April and November (5mi).

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Napaskiak, Alaska, USA

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