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
In December, the average high-temperature is practically the same as in November - a still subzero cold 19.4°F (-7°C). In December, in Willow, the average low-temperature is 11.5°F (-11.4°C).Humidity
In Willow, the average relative humidity in December is 86%.Rainfall
In Willow, in December, during 7.3 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, there are 134.1 rainfall days, and 13.86" (352mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. December is the month with the most snowfall in Willow. Snow falls for 11.4 days and accumulates 5.87" (149mm) of snow.Daylight
The month with the shortest days is December, with an average of 5h and 26min of daylight.On the first day of the month, sunrise is at 9:51 am and sunset at 3:46 pm. On the last day of December, sunrise is at 10:20 am and sunset at 3:45 pm AKST.
Sunshine
December has the least sunshine of the year in Willow, with an average of 3.7h of sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the average maximum UV index of 1 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
FAQ
What is the temperature in December in Willow?
What is the average humidity in December in Willow?
How much does it rain in Willow in December?
When does it snow the most in Willow?
How much does it snow in Willow in December?
What is the month with the shortest days in Willow?
What is the average length of the day in December in Willow?
What time are sunrise and sunset in December in Willow?
What is the month with the least sunshine in Willow?
How many hours of sunshine does Willow have in December?
When is the lowest UV index in Willow?
How high is the UV index in December in Willow?
Average temperature in December
Willow, AK
- Average high temperature in December: 19.4°F
The warmest month (with the highest average high temperature) is July (67.6°F).
The month with the lowest average high temperature is January (17.8°F).
- Average low temperature in December: 11.5°F
The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in December
Willow, AK
- Average pressure in December: 29.7"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.7"Hg).
Average wind speed in December
Willow, AK
- Average wind speed in December: 4.9mph
The windiest month (with the highest average wind speed) is November (5.1mph).
The calmest month (with the lowest average wind speed) is April (4.3mph).
Average humidity in December
Willow, AK
- Average humidity in December: 86%
The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is May (61%).
Average rainfall in December
Willow, AK
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is September (2.13").
The driest month (with the least rainfall) is April (0.63").
Average rainfall days in December
Willow, AK
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Willow, AK
- Average snowfall in December: 5.87"
The month with the highest snowfall is December (5.87").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Willow, AK
- Average snowfall days in December: 11.4 days
The month with the highest number of snowfall days is December (11.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Willow, AK
- Average daylight in December: 5h and 26min
The month with the longest days is June (Average daylight: 19h and 28min).
The month with the shortest days is December (Average daylight: 5h and 26min).
- Average sunshine in December: 3h and 42min
The month with the most sunshine is May (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in December
Willow, AK
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is August (9.7 days).
Average UV index in December
Willow, 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 and December (UV index 1).
Average cloud cover in December
Willow, AK
- Average cloud cover in December: 47
The months with the most cloud cover are April and August (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 40).
Average visibility in December
Willow, AK
- Average visibility in December: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is March (4mi).
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