Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Temperature readings reach their annual highs in December, averaging 39.9°F (4.4°C) and a minimum average of 29.8°F (-1.2°C).Humidity
The average relative humidity in December is 86%.Rainfall
The months with the most rainfall are January and December, with an average 6.1" (155mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Buckley, Washington, during December, snow falls for 4.5 days and regularly aggregates up to 2.52" (64mm) of snow. Throughout the year, there are 22.3 snowfall days, and 15.47" (393mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 36min of daylight.On the first day of December, sunrise is at 7:34 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 4:28 pm PST.
Sunshine
With an average of 4h of sunshine, December has the least sunshine of the year in Buckley.UV index
In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is December?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Buckley?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Buckley have in December?
What is the UV index intensity in December?
Average temperature in December
Buckley, WA
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is December (39.9°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (29.8°F).
Average pressure in December
Buckley, WA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in December
Buckley, WA
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in December
Buckley, WA
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Buckley, WA
- Average rainfall in December: 6.1"
The wettest months (with the highest rainfall) are January and December (6.1").
The driest month (with the least rainfall) is July (0.63").
Average rainfall days in December
Buckley, WA
- Average rainfall days in December: 19 days
The month with the highest number of rainy days is March (21.2 days).
The month with the least rainy days is August (7.6 days).
Average snowfall in December
Buckley, WA
- Average snowfall in December: 2.52"
The month with the highest snowfall is February (5.2").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Buckley, WA
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Buckley, WA
- Average daylight in December: 8h and 4min
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 36min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in December
Buckley, WA
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is March (7.8 days).
Average UV index in December
Buckley, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Buckley, WA
- Average cloud cover in December: 58
The month with the most cloud cover is March (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Buckley, WA
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
Buckley, Washington, USA
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