December weather forecastCenterville, WA
December
Weather in December
The first month of the winter, December, is also an icy month in Centerville, Washington, with an average temperature fluctuating between 25.7°F (-3.5°C) and 36°F (2.2°C).Temperature
In Centerville, Washington, December records the lowest average temperatures, peaking at 36°F (2.2°C) and reaching a low of 25.7°F (-3.5°C).Humidity
In December, the average relative humidity in Centerville, Washington, is 85%.Rainfall
In Centerville, in December, it is raining for 10.8 days, with typically 1.93" (49mm) of accumulated precipitation. In Centerville, Washington, during the entire year, the rain falls for 114.1 days and collects up to 12.13" (308mm) of precipitation.Snowfall
January through April, September through December are months with snowfall in Centerville. In Centerville, in December, during 8.9 snowfall days, 4.06" (103mm) of snow is typically accumulated. Throughout the year, in Centerville, Washington, there are 33.8 snowfall days, and 19.69" (500mm) of snow is accumulated.Daylight
The month with the shortest days in Centerville is December, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 7:25 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:29 pm PST.
Sunshine
In December, the average sunshine is 5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Centerville. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 2 translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Centerville, WA
- Average high temperature in December: 36°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).
Average pressure in December
Centerville, 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 (29.95"Hg).
Average wind speed in December
Centerville, WA
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5.3mph).
Average humidity in December
Centerville, WA
- Average humidity in December: 85%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (47%).
Average rainfall in December
Centerville, WA
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is January (2.17").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Centerville, WA
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in December
Centerville, WA
- Average snowfall in December: 4.06"
The month with the highest snowfall is January (6.18").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Centerville, WA
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is December (8.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Centerville, 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 0min
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: 4h and 48min).
Average sunshine days in December
Centerville, WA
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in December
Centerville, 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
Centerville, WA
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in December
Centerville, 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).
