December weather forecastBickleton, WA
December
Weather in December
December, the first month of the winter in Bickleton, is also an icy month, with an average temperature varying between 26.6°F (-3°C) and 36.5°F (2.5°C).Temperature
December is the coldest month, exhibiting average temperatures of 36.5°F (2.5°C) at the peak and 26.6°F (-3°C) at the base.Humidity
The average relative humidity in December is 82%.Rainfall
In Bickleton, during December, the rain falls for 11 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Bickleton, during the entire year, the rain falls for 107.9 days and collects up to 8.46" (215mm) of precipitation.Snowfall
Months with snowfall in Bickleton are January through March, November and December. In Bickleton, during December, snow falls for 4.8 days and regularly aggregates up to 2.2" (56mm) of snow. Throughout the year, in Bickleton, Washington, there are 15.8 snowfall days, and 9.69" (246mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 4:17 pm. On the last day of December, sunrise is at 7:43 am and sunset at 4:26 pm PST.
Sunshine
In December, the average sunshine is 5.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bickleton, WA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).
Average pressure in December
Bickleton, WA
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in December
Bickleton, WA
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is June (9.2mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity in December
Bickleton, WA
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (40%).
Average rainfall in December
Bickleton, WA
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is January (1.1").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in December
Bickleton, WA
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is July (4.4 days).
Average snowfall in December
Bickleton, WA
- Average snowfall in December: 2.2"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Bickleton, WA
- Average snowfall days in December: 4.8 days
The month with the highest number of snowfall days is December (4.8 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Bickleton, WA
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 5h and 24min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Bickleton, WA
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (14 days).
Average UV index in December
Bickleton, WA
- Average UV index in December: 2
The months with the highest UV index are June and 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
Bickleton, WA
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in December
Bickleton, WA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





