Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December ushers in a minute temperature change, with average high-temperatures reducing from November's extreme cold 10.6°F (-11.9°C) to an arctic cold 3.9°F (-15.6°C). Throughout the month of December, Galena reports a steady low-temperature average of -5.4°F (-20.8°C).Humidity
In December, the average relative humidity is 95%.Rainfall
In Galena, in December, during 2.5 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 116.7 rainfall days, and 14.8" (376mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. December is the month with the most snowfall. Snow falls for 17.5 days and accumulates 8.62" (219mm) of snow.Daylight
With an average of 4h and 0min of daylight, December has the shortest days of the year in Galena.On the first day of December, sunrise is at 10:56 am and sunset at 3:37 pm. On the last day of the month, sunrise is at 11:29 am and sunset at 3:33 pm AKST.
Sunshine
With an average of 2.3h of sunshine, December has the least sunshine of the year.UV index
January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
When does it snow the most in Galena?
How much does it snow in December?
What is the month with the shortest days in Galena?
How many hours of daylight does Galena have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Galena have in December?
When is the lowest UV index?
What is the UV index intensity in December in Galena?
Average temperature in December
Galena, AK
- Average high temperature in December: 3.9°F
The warmest month (with the highest average high temperature) is July (67.3°F).
The month with the lowest average high temperature is January (-0.8°F).
- Average low temperature in December: -5.4°F
The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is January (-10.5°F).
Average pressure in December
Galena, AK
- Average pressure in December: 29.81"Hg
The month with the highest atmospheric pressure is February (29.93"Hg).
The months with the lowest atmospheric pressure are September and October (29.76"Hg).
Average wind speed in December
Galena, AK
- Average wind speed in December: 4.7mph
The windiest month (with the highest average wind speed) is September (5.2mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).
Average humidity in December
Galena, AK
- Average humidity in December: 95%
The months with the highest relative humidity are January, February and March (96%).
The month with the lowest relative humidity is June (59%).
Average rainfall in December
Galena, AK
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is August (2.05").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in December
Galena, AK
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is August (19 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in December
Galena, AK
- Average snowfall in December: 8.62"
The month with the highest snowfall is December (8.62").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Galena, AK
- Average snowfall days in December: 17.5 days
The month with the highest number of snowfall days is March (20.3 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in December /
Average sunshine in December
Galena, AK
- Average daylight in December: 4h and 0min
The month with the longest days is June (Average daylight: 21h and 24min).
The month with the shortest days is December (Average daylight: 4h and 0min).
- Average sunshine in December: 2h and 2min
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 18min).
Average sunshine days in December
Galena, AK
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is January (18 days).
The month with the least sunshine days is April (6.5 days).
Average UV index in December
Galena, AK
- Average UV index in December: 1
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in December
Galena, AK
- Average cloud cover in December: 68
The month with the most cloud cover is April (Cloud cover 77).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in December
Galena, AK
- Average visibility in December: 2mi
The months with the highest visibility are June and July (6mi).
The months with the lowest visibility are January, February, March, April and December (2mi).
Galena, Alaska, USA
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