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 beginning of December brings a minor change in the average high-temperature, shifting from a frigid cold 10.6°F (-11.9°C) in November to a polar cold 3.9°F (-15.6°C). Yistletaw, in December, experiences an average temperature of -5.4°F (-20.8°C) at night.Humidity
In December, the average relative humidity is 95%.Rainfall
In Yistletaw, in December, it is raining for 2.5 days, with typically 1.14" (29mm) of accumulated precipitation. In Yistletaw, during the entire year, the rain falls for 116.7 days and collects up to 14.8" (376mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. The month with the most snowfall is December, when snow falls for 17.5 days and typically aggregates up to 8.62" (219mm) of snow.Daylight
The month with the shortest days is December, with an average of 4h and 0min of daylight.On the first day of December, sunrise is at 10:59 am and sunset at 3:38 pm. On the last day of the month, sunrise is at 11:32 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
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 1 translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. On your guard! Snow's reflection 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
How cold is December?
What is the average humidity in December?
How much does it rain in December?
What is the snowiest month?
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?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Yistletaw, 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
Yistletaw, 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
Yistletaw, 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
Yistletaw, 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
Yistletaw, 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
Yistletaw, 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
Yistletaw, 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
Yistletaw, 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
Yistletaw, AK
- Average daylight in December: 4h and 0min
The month with the longest days is June (Average daylight: 21h and 30min).
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
Yistletaw, 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
Yistletaw, 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
Yistletaw, 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
Yistletaw, 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).
Yistletaw, Alaska, USA
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