December weather forecastAlatna, AK
December
Weather in December
December, the first month of the winter in Alatna, is also an arctic cold month, with temperature in the range of an average low of -9°F (-22.8°C) and an average high of 1°F (-17.2°C).Temperature
The commencement of December records an average high-temperature of an arctic cold 1°F (-17.2°C), barely varying from November's 5.9°F (-14.5°C). The average low-temperature, in December, is a life-threatening cold -9°F (-22.8°C).Humidity
The average relative humidity in December is 89%.Rainfall
In December, the rain falls for 1.4 days. Throughout December, 0.83" (21mm) of precipitation is accumulated. Throughout the year, there are 76.6 rainfall days, and 9.72" (247mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. December is the month with the most snowfall. Snow falls for 13.4 days and accumulates 6.54" (166mm) of snow.Daylight
With an average of 2h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 11:11 am and sunset at 2:48 pm. On the last day of December, sunrise is at 11:53 am and sunset at 2:35 pm AKST.
Sunshine
The average sunshine in December is 1.2h.UV index
The months with the lowest UV index are January, March, April, September, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 1 in December transforms into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Alatna, AK
- Average high temperature in December: 1°F
The warmest month (with the highest average high temperature) is July (68.2°F).
The month with the lowest average high temperature is January (-2.7°F).
- Average low temperature in December: -9°F
The month with the highest average low temperature is July (49.3°F).
The coldest month (with the lowest average low temperature) is January (-13.5°F).
Average pressure in December
Alatna, AK
- Average pressure in December: 29.92"Hg
The months with the highest atmospheric pressure are January and February (30.01"Hg).
The month with the lowest atmospheric pressure is September (29.8"Hg).
Average wind speed in December
Alatna, AK
- Average wind speed in December: 4.2mph
The windiest months (with the highest average wind speed) are June and July (5.1mph).
The calmest month (with the lowest average wind speed) is February (4.1mph).
Average humidity in December
Alatna, AK
- Average humidity in December: 89%
The month with the highest relative humidity is April (93%).
The month with the lowest relative humidity is June (52%).
Average rainfall in December
Alatna, AK
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is August (1.5").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in December
Alatna, AK
- Average rainfall days in December: 1.4 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is January (1.3 days).
Average snowfall in December
Alatna, AK
- Average snowfall in December: 6.54"
The month with the highest snowfall is December (6.54").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Alatna, AK
- Average snowfall days in December: 13.4 days
The month with the highest number of snowfall days is December (13.4 days).
The month with the least snowfall days is July (0 days).
Average daylight in December /
Average sunshine in December
Alatna, AK
- Average daylight in December: 2h and 36min
The month with the longest days is May (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 2h and 36min).
- Average sunshine in December: 1h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is June (Average sunshine: 0h and 36min).
Average sunshine days in December
Alatna, AK
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is August (14.2 days).
Average UV index in December
Alatna, 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, March, April, September, November and December (UV index 1).
Average cloud cover in December
Alatna, AK
- Average cloud cover in December: 52
The month with the most cloud cover is April (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 36).
Average visibility in December
Alatna, AK
- Average visibility in December: 4mi
The months with the highest visibility are June, July, August and September (6mi).
The month with the lowest visibility is April (3mi).
