December weather forecastWest Wenatchee, WA
December
Weather in December
December, the first month of the winter in West Wenatchee, is also a wintry month, with an average temperature fluctuating between 32.4°F (0.2°C) and 20.7°F (-6.3°C).Temperature
December, marked by an average high-temperature of 32.4°F (0.2°C) and a low-temperature of 20.7°F (-6.3°C), is the coldest month.Humidity
In December, the average relative humidity is 88%.Rainfall
In West Wenatchee, in December, it is raining for 10 days, with typically 1.61" (41mm) of accumulated precipitation. In West Wenatchee, during the entire year, the rain falls for 111.1 days and collects up to 11.3" (287mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in West Wenatchee. December is the month with the most snowfall. Snow falls for 6.9 days and accumulates 4.76" (121mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 7:28 am and sunset at 4:12 pm. On the last day of December, sunrise is at 7:48 am and sunset at 4:20 pm PST.
Sunshine
In December, the average sunshine is 4.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
West Wenatchee, WA
- Average high temperature in December: 32.4°F
The warmest months (with the highest average high temperature) are July and August (82.6°F).
The month with the lowest average high temperature is December (32.4°F).
- Average low temperature in December: 20.7°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).
Average pressure in December
West Wenatchee, WA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in December
West Wenatchee, WA
- Average wind speed in December: 3.4mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity in December
West Wenatchee, WA
- Average humidity in December: 88%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are July and August (47%).
Average rainfall in December
West Wenatchee, WA
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is January (1.77").
The driest months (with the least rainfall) are July and August (0.24").
Average rainfall days in December
West Wenatchee, WA
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is March (14 days).
The month with the least rainy days is August (3.4 days).
Average snowfall in December
West Wenatchee, WA
- Average snowfall in December: 4.76"
The month with the highest snowfall is December (4.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
West Wenatchee, WA
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is December (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Wenatchee, WA
- Average daylight in December: 8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
West Wenatchee, WA
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in December
West Wenatchee, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
West Wenatchee, WA
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
West Wenatchee, WA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
