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
The average high-temperature for December is an extremely cold 7.9°F (-13.4°C), closely aligning with the temperature of the preceding month. December nights are marked by an average low-temperature of -2.6°F (-19.2°C).Humidity
In December, the average relative humidity is 91%.Rainfall
In Usibelli, in December, it is raining for 1.5 days, with typically 0.39" (10mm) of accumulated precipitation. In Usibelli, during the entire year, the rain falls for 106.3 days and collects up to 14.49" (368mm) of precipitation.Snowfall
January through May, August through December are months with snowfall. In Usibelli, during December, snow falls for 10.3 days and regularly aggregates up to 3.11" (79mm) of snow. Throughout the year, there are 93.4 snowfall days, and 35.94" (913mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 4h and 30min of daylight.On the first day of the month, sunrise is at 10:11 am and sunset at 3:17 pm. On the last day of December, sunrise is at 10:42 am and sunset at 3:14 pm AKST.
Sunshine
The months with the least sunshine are January and December, with an average of 3.3h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 suggests these recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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 much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Usibelli have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Usibelli, AK
- Average high temperature in December: 7.9°F
The warmest month (with the highest average high temperature) is July (62.8°F).
The month with the lowest average high temperature is January (4.6°F).
- Average low temperature in December: -2.6°F
The month with the highest average low temperature is July (45.3°F).
The coldest month (with the lowest average low temperature) is January (-6.3°F).
Average pressure in December
Usibelli, AK
- Average pressure in December: 29.81"Hg
The month with the highest atmospheric pressure is February (29.93"Hg).
The month with the lowest atmospheric pressure is September (29.76"Hg).
Average wind speed in December
Usibelli, AK
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is May (5.5mph).
The calmest months (with the lowest average wind speed) are March and November (4.6mph).
Average humidity in December
Usibelli, AK
- Average humidity in December: 91%
The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is June (64%).
Average rainfall in December
Usibelli, AK
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in December
Usibelli, AK
- Average rainfall days in December: 1.5 days
The month with the highest number of rainy days is June (19.6 days).
The months with the least rainy days are February and December (1.5 days).
Average snowfall in December
Usibelli, AK
- Average snowfall in December: 3.11"
The month with the highest snowfall is March (6.89").
The months with the least snowfall are June and July (0").
Average snowfall days in December
Usibelli, AK
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is March (17.4 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in December /
Average sunshine in December
Usibelli, AK
- Average daylight in December: 4h and 3min
The month with the longest days is June (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 18min).
Average sunshine days in December
Usibelli, AK
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is January (21.2 days).
The month with the least sunshine days is June (8.5 days).
Average UV index in December
Usibelli, 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 January, February, March, November and December (UV index 1).
Average cloud cover in December
Usibelli, AK
- Average cloud cover in December: 52
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is May (Cloud cover 42).
Average visibility in December
Usibelli, AK
- Average visibility in December: 4mi
The months with the highest visibility are May, June and July (6mi).
The months with the lowest visibility are January and March (3mi).
Usibelli, Alaska, USA
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