December weather forecastWilly Dick Crossing, WA
December
Weather in December
December, the first month of the winter in Willy Dick Crossing, is also a wintry month, with temperature in the range of an average high of 35.2°F (1.8°C) and an average low of 23.9°F (-4.5°C).Temperature
December is Willy Dick Crossing's coldest month, registering average high temperatures of 35.2°F (1.8°C) and lows of 23.9°F (-4.5°C).Humidity
The average relative humidity in December in Willy Dick Crossing is 83%.Rainfall
In December, in Willy Dick Crossing, the rain falls for 10.6 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. Throughout the year, there are 112.8 rainfall days, and 10.28" (261mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, September, November and December. In Willy Dick Crossing, during December, snow falls for 5.5 days and regularly aggregates up to 2.87" (73mm) of snow. Throughout the year, in Willy Dick Crossing, there are 19.9 snowfall days, and 12.36" (314mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:26 am and sunset at 4:18 pm. On the last day of December, in Willy Dick Crossing, sunrise is at 7:46 am and sunset at 4:27 pm PST.
Sunshine
In Willy Dick Crossing, the average sunshine in December is 5.6h.UV index
The months with the lowest UV index in Willy Dick Crossing are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. 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
Willy Dick Crossing, WA
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is August (83.1°F).
The month with the lowest average high temperature is December (35.2°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in December
Willy Dick Crossing, WA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed in December
Willy Dick Crossing, WA
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).
Average humidity in December
Willy Dick Crossing, WA
- Average humidity in December: 83%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (43%).
Average rainfall in December
Willy Dick Crossing, WA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is January (1.61").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in December
Willy Dick Crossing, WA
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is July (3.1 days).
Average snowfall in December
Willy Dick Crossing, WA
- Average snowfall in December: 2.87"
The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in December
Willy Dick Crossing, WA
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Willy Dick Crossing, 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 36min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Willy Dick Crossing, WA
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is July (25.9 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in December
Willy Dick Crossing, 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
Willy Dick Crossing, WA
- Average cloud cover in December: 40
The month with the most cloud cover is January (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in December
Willy Dick Crossing, WA
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
