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
Wilkeson witnesses the coldest weather in December, with temperatures averaging a high of 39.9°F (4.4°C) and a low of 29.8°F (-1.2°C).Humidity
The average relative humidity in December is 86%.Rainfall
The months with the most rainfall are January and December, with an average 6.1" (155mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Wilkeson. In Wilkeson, in December, snow falls for 4.5 days, with typically accumulated 2.52" (64mm) of snow. In Wilkeson, during the entire year, snow falls for 22.3 days and aggregates up to 15.47" (393mm) of snow.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year.On the first day of December in Wilkeson, sunrise is at 7:34 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 4:28 pm PST.
Sunshine
With an average of 4h of sunshine, December has the least sunshine of the year.UV index
In December, the average daily maximum UV index in Wilkeson is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What month is the coldest in Wilkeson?
How cold is December in Wilkeson?
What is the average humidity in December in Wilkeson?
What is the wettest month in Wilkeson?
How much does it rain in Wilkeson in December?
How many days does it snow in December in Wilkeson?
What is the month with the shortest days in Wilkeson?
How many hours of daylight does Wilkeson have in December?
When are sunrise and sunset in December in Wilkeson?
What is the month with the least sunshine in Wilkeson?
How long on average sun shines in December in Wilkeson?
What is the UV index intensity in December in Wilkeson?
Average temperature in December
Wilkeson, WA
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is December (39.9°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (29.8°F).
Average pressure in December
Wilkeson, WA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in December
Wilkeson, WA
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in December
Wilkeson, WA
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Wilkeson, WA
- Average rainfall in December: 6.1"
The wettest months (with the highest rainfall) are January and December (6.1").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in December
Wilkeson, WA
- Average rainfall days in December: 19 days
The month with the highest number of rainy days is March (21.2 days).
The month with the least rainy days is August (7.6 days).
Average snowfall in December
Wilkeson, WA
- Average snowfall in December: 2.52"
The month with the highest snowfall is February (5.2").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Wilkeson, WA
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Wilkeson, WA
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in December
Wilkeson, WA
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is March (7.8 days).
Average UV index in December
Wilkeson, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Wilkeson, WA
- Average cloud cover in December: 58
The month with the most cloud cover is March (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Wilkeson, WA
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
Wilkeson, Washington, USA
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