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
In Woodinville, December is the month with the lowest recorded average temperatures, measuring a high of 42.6°F (5.9°C) and a low of 35.1°F (1.7°C).Humidity
The average relative humidity in December is 84%.Rainfall
In Woodinville, Washington, during December, the rain falls for 15.8 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Woodinville, during the entire year, the rain falls for 166.9 days and collects up to 21.93" (557mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Woodinville, in December, during 1.1 snowfall days, 0.24" (6mm) of snow is typically accumulated. In Woodinville, Washington, during the entire year, snow falls for 6.6 days and aggregates up to 2.6" (66mm) of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year in Woodinville.On the first day of the month, sunrise is at 7:37 am and sunset at 4:18 pm. On the last day of December, sunrise is at 7:57 am and sunset at 4:26 pm PST.
Sunshine
The months with the least sunshine in Woodinville are January and December, with an average of 4.4h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Woodinville?
How cold is it in Woodinville in December?
What is the average humidity in December in Woodinville?
How much does it rain in Woodinville in December?
How much does it snow in Woodinville in December?
What is the month with the shortest days in Woodinville?
How many hours of daylight does Woodinville have in December?
When are sunrise and sunset in December in Woodinville?
What are the months with the least sunshine in Woodinville?
How many hours of sunshine does Woodinville have in December?
When is the lowest UV index in Woodinville?
How high is the UV index in December in Woodinville?
Average temperature in December
Woodinville, WA
- Average high temperature in December: 42.6°F
The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in December: 35.1°F
The month with the highest average low temperature is August (53.1°F).
The coldest months (with the lowest average low temperature) are February and December (35.1°F).
Average pressure in December
Woodinville, WA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Woodinville, WA
- Average wind speed in December: 4.9mph
The windiest months (with the highest average wind speed) are January and March (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in December
Woodinville, WA
- Average humidity in December: 84%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (71%).
Average rainfall in December
Woodinville, WA
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is January (2.87").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in December
Woodinville, WA
- Average rainfall days in December: 15.8 days
The month with the highest number of rainy days is November (17.9 days).
The month with the least rainy days is August (6.9 days).
Average snowfall in December
Woodinville, WA
- Average snowfall in December: 0.24"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Woodinville, WA
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Woodinville, WA
- Average daylight in December: 8h and 3min
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: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days in December
Woodinville, WA
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is April (10.5 days).
Average UV index in December
Woodinville, WA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Woodinville, WA
- Average cloud cover in December: 55
The months with the most cloud cover are January and December (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Woodinville, WA
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).
Woodinville, Washington, USA
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