December weather forecastCheney, WA
December
Weather in December
The first month of the winter, December, is also a wintry month in Cheney, Washington, with an average temperature fluctuating between 23°F (-5°C) and 32.7°F (0.4°C).Temperature
With its high average temperature of 32.7°F (0.4°C) and a low of 23°F (-5°C), December is regarded as the coldest month.Humidity
In Cheney, the average relative humidity in December is 86%.Rainfall
The months with the most rainfall in Cheney are January, March and December, with an average 1.85" (47mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Cheney, during December, snow falls for 12.7 days and regularly aggregates up to 6.57" (167mm) of snow. In Cheney, Washington, during the entire year, snow falls for 53 days and aggregates up to 29.69" (754mm) of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:18 am and sunset at 4:01 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:09 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 3.9h of sunshine.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 1 in December translates into these instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cheney, WA
- Average high temperature in December: 32.7°F
The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (32.7°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is August (59.9°F).
The coldest month (with the lowest average low temperature) is December (23°F).
Average pressure in December
Cheney, WA
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in December
Cheney, WA
- Average wind speed in December: 6.7mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Cheney, WA
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (37%).
Average rainfall in December
Cheney, WA
- Average rainfall in December: 1.85"
The wettest months (with the highest rainfall) are January, March and December (1.85").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in December
Cheney, WA
- Average rainfall days in December: 8.4 days
The months with the highest number of rainy days are March and April (14.1 days).
The month with the least rainy days is July (4.5 days).
Average snowfall in December
Cheney, WA
- Average snowfall in December: 6.57"
The month with the highest snowfall is January (8.27").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Cheney, WA
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Cheney, 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: 3h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in December
Cheney, WA
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is March (11.7 days).
Average UV index in December
Cheney, WA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Cheney, WA
- Average cloud cover in December: 59
The months with the most cloud cover are January and December (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in December
Cheney, WA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
