December weather forecast
Big Delta, AK

Share

Weather in December

The first month of the winter, December, is also a frigid cold month in Big Delta, Alaska, with temperature in the range of an average low of -1.5°F (-18.6°C) and an average high of 9.1°F (-12.7°C).

Temperature

The introduction of December notes a subtle temperature variation to an extremely cold 9.1°F (-12.7°C) from November's 14°F (-10°C). In the month of December, Big Delta records a consistent average low-temperature of -1.5°F (-18.6°C).

Humidity

In Big Delta, the average relative humidity in December is 86%.

Rainfall

In Big Delta, Alaska, during December, the rain falls for 2.4 days and regularly aggregates up to 0.31" (8mm) of precipitation. In Big Delta, during the entire year, the rain falls for 70.4 days and collects up to 7.56" (192mm) of precipitation.

Snowfall

Months with snowfall in Big Delta are January through May, August through December. In December, it is snowing for 8.1 days. Throughout December, 2.32" (59mm) of snow is accumulated. In Big Delta, during the entire year, snow falls for 56.2 days and aggregates up to 18.66" (474mm) of snow.

Daylight

December has the shortest days of the year in Big Delta, with an average of 4h and 24min of daylight.
On the first day of December in Big Delta, sunrise is at 10:03 am and sunset at 3:01 pm. On the last day of the month, sunrise is at 10:34 am and sunset at 2:58 pm AKST.

Sunshine

The month with the least sunshine in Big Delta is December, with an average of 2.3h of sunshine.

UV index

The months with the lowest UV index are January through March, September through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: In December, an average UV index of 2 transforms into the following instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
[Resources]

Frequently asked questions

How cold is it in Big Delta in December?

In December, the average high-temperature and low-temperature in Big Delta are 9.1°F (-12.7°C) and -1.5°F (-18.6°C) respectively.

What is the average humidity in December in Big Delta?

The average relative humidity in December in Big Delta is 86%.

How much does it rain in Big Delta in December?

In Big Delta, in December, during 2.4 rainfall days, 0.31" (8mm) of precipitation is typically accumulated.

How many days does it snow in December in Big Delta?

In Big Delta, in December, snow falls for 8.1 days, with typically accumulated 2.32" (59mm) of snow.

What is the month with the shortest days in Big Delta?

With an average of 4h and 24min of daylight, December has the shortest days of the year in Big Delta.

What is the average length of the day in December in Big Delta?

The average day length in December in Big Delta is 4h and 22min.

When are sunrise and sunset in December in Big Delta?

In December, on the first day of the month, sunrise is at 10:03 am and sunset at 3:01 pm. On the last day of the month, sunrise is at 10:34 am and sunset at 2:58 pm AKST.

What is the month with the least sunshine in Big Delta?

December has the least sunshine of the year in Big Delta, Alaska, with an average of 2.3h of sunshine.

How many hours of sunshine does Big Delta have in December?

The average sunshine duration in December is 2.3h.

When is the lowest UV index in Big Delta?

January through March, September through December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December in Big Delta?

In Big Delta, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Big Delta, AK

Average temperature in December - Big Delta, AK
  • Average high temperature in December: 9.1°F

The warmest month (with the highest average high temperature) is July (69.8°F).
The month with the lowest average high temperature is January (5.4°F).

  • Average low temperature in December: -1.5°F

The month with the highest average low temperature is July (50.5°F).
The coldest month (with the lowest average low temperature) is January (-5.8°F).

[Resources]

Average pressure in December
Big Delta, AK

Average pressure in December - Big Delta, AK
  • Average pressure in December: 29.85"Hg

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

[Resources]

Average wind speed in December
Big Delta, AK

Average wind speed in December - Big Delta, AK
  • Average wind speed in December: 5.3mph

The windiest month (with the highest average wind speed) is May (5.8mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

[Resources]

Average humidity in December
Big Delta, AK

Average humidity in December - Big Delta, AK
  • Average humidity in December: 86%

The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is May (51%).

[Resources]

Average rainfall in December
Big Delta, AK

Average rainfall in December - Big Delta, AK
  • Average rainfall in December: 0.31"

The wettest month (with the highest rainfall) is August (1.57").
The driest month (with the least rainfall) is February (0.24").

[Resources]

Average rainfall days in December
Big Delta, AK

Average rainfall days in December - Big Delta, AK
  • Average rainfall days in December: 2.4 days

The month with the highest number of rainy days is August (12.3 days).
The month with the least rainy days is November (1.7 days).

[Resources]

Average snowfall in December
Big Delta, AK

Average snowfall in December - Big Delta, AK
  • Average snowfall in December: 2.32"

The months with the highest snowfall are March and October (2.99").
The months with the least snowfall are June and July (0").

[Resources]

Average snowfall days in December
Big Delta, AK

Average snowfall days in December - Big Delta, AK
  • Average snowfall days in December: 8.1 days

The month with the highest number of snowfall days is November (9.6 days).
The months with the least snowfall days are June and July (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Big Delta, AK

Average daylight in December / Average sunshine in December - Big Delta, AK
  • Average daylight in December: 4h and 2min

The month with the longest days is June (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 4h and 24min).

  • Average sunshine in December: 2h and 2min

The month with the most sunshine is June (Average sunshine: 13h and 24min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).

[Resources]

Average sunshine days in December
Big Delta, AK

Average sunshine days in December - Big Delta, AK
  • Average sunshine days in December: 23.5 days

The months with the most sunshine days are January and December (23.5 days).
The month with the least sunshine days is August (17.4 days).

[Resources]

Average UV index in December
Big Delta, AK

Average UV index in December - Big Delta, AK
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, September, October, November and December (UV index 2).

[Resources]

Average cloud cover in December
Big Delta, AK

Average cloud cover in December - Big Delta, AK
  • Average cloud cover in December: 43

The months with the most cloud cover are March and November (Cloud cover 45).
The month with the least cloud cover is May (Cloud cover 35).

[Resources]

Average visibility in December
Big Delta, AK

Average visibility in December - Big Delta, AK
  • Average visibility in December: 5mi

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

[Resources]

Big Delta, Alaska, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location