December weather forecast
Ridgeway, AK

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Weather in December

December, the first month of the winter in Ridgeway, is also a subzero cold month, with an average temperature varying between 18.7°F (-7.4°C) and 25.7°F (-3.5°C).

Temperature

December's onset brings an average high-temperature of a still subzero cold 25.7°F (-3.5°C), showing a minute difference from November's 30.2°F (-1°C). A steady low-temperature average of 18.7°F (-7.4°C) is logged during December, reflecting a modest dip from daytime readings.

Humidity

The average relative humidity in December is 88%.

Rainfall

In Ridgeway, in December, during 8.9 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Ridgeway, during the entire year, the rain falls for 158.2 days and collects up to 21.93" (557mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. December is the month with the most snowfall in Ridgeway. Snow falls for 15.3 days and accumulates 9.45" (240mm) of snow.

Daylight

December has the shortest days of the year, with an average of 5h and 54min of daylight.
On the first day of the month, sunrise is at 9:45 am and sunset at 4:01 pm. On the last day of December, sunrise is at 10:11 am and sunset at 4:04 pm AKST.

Sunshine

December has the least sunshine of the year, with an average of 2.9h of sunshine.

UV index

The months with the lowest UV index are February, March 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 Sun's UV rays for average individuals.
Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Ridgeway, is 25.7°F (-3.5°C), while the low-temperature averages to 18.7°F (-7.4°C).

What is the average humidity in December?

In Ridgeway, the average relative humidity in December is 88%.

How many days does it rain in December in Ridgeway?

In Ridgeway, in December, it is raining for 8.9 days, with typically 2.09" (53mm) of accumulated precipitation.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 15.3 days and accumulates 9.45" (240mm) of snow.

How much does it snow in December?

In Ridgeway, in December, snow falls for 15.3 days, with typically accumulated 9.45" (240mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 5h and 54min of daylight.

What is the average length of the day in December?

In Ridgeway, Alaska, the average day length in December is 5h and 52min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 9:45 am and sunset at 4:01 pm. On the last day of the month, sunrise is at 10:11 am and sunset at 4:04 pm AKST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 2.9h of sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 2.9h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Ridgeway, AK

Average temperature in December - Ridgeway, AK
  • Average high temperature in December: 25.7°F

The warmest month (with the highest average high temperature) is July (65.1°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in December: 18.7°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 (15.8°F).

Average pressure in December
Ridgeway, AK

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

The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.64"Hg).

Average wind speed in December
Ridgeway, AK

Average wind speed in December - Ridgeway, AK
  • Average wind speed in December: 7.1mph

The windiest months (with the highest average wind speed) are November and December (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in December
Ridgeway, AK

Average humidity in December - Ridgeway, AK
  • Average humidity in December: 88%

The months with the highest relative humidity are January, February and March (90%).
The month with the lowest relative humidity is May (65%).

Average rainfall in December
Ridgeway, AK

Average rainfall in December - Ridgeway, AK
  • Average rainfall in December: 2.09"

The wettest month (with the highest rainfall) is September (3.19").
The driest month (with the least rainfall) is March (1.1").

Average rainfall days in December
Ridgeway, AK

Average rainfall days in December - Ridgeway, AK
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is September (19.2 days).
The month with the least rainy days is February (7.4 days).

Average snowfall in December
Ridgeway, AK

Average snowfall in December - Ridgeway, AK
  • Average snowfall in December: 9.45"

The month with the highest snowfall is December (9.45").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Ridgeway, AK

Average snowfall days in December - Ridgeway, AK
  • Average snowfall days in December: 15.3 days

The month with the highest number of snowfall days is December (15.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).

  • Average sunshine in December: 2h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).

Average sunshine days in December
Ridgeway, AK

Average sunshine days in December - Ridgeway, AK
  • Average sunshine days in December: 10.9 days

The month with the most sunshine days is July (13.9 days).
The month with the least sunshine days is September (9.2 days).

Average UV index in December
Ridgeway, AK

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

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are February, March and December (UV index 1).

Average cloud cover in December
Ridgeway, AK

Average cloud cover in December - Ridgeway, AK
  • Average cloud cover in December: 58

The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 47).

Average visibility in December
Ridgeway, AK

Average visibility in December - Ridgeway, AK
  • Average visibility in December: 5mi

The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are February and March (4mi).

Ridgeway, Alaska, USA

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