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
Wilson Creek's temperature records reveal December as the coldest month, marked by average highs of 34°F (1.1°C) and lows of 23.9°F (-4.5°C).Humidity
The average relative humidity in December is 82%.Rainfall
In December, the rain falls for 9.9 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. In Wilson Creek, during the entire year, the rain falls for 103.1 days and collects up to 7.8" (198mm) of precipitation.Snowfall
January through April, September, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 6.8 days and accumulates 2.6" (66mm) of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:23 am and sunset at 4:07 pm. On the last day of December, sunrise is at 7:43 am and sunset at 4:15 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. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 during December translates into the following guidance:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Wilson Creek have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Wilson Creek, WA
- Average high temperature in December: 34°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (34°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in December
Wilson Creek, 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 (29.91"Hg).
Average wind speed in December
Wilson Creek, WA
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5.5mph).
Average humidity in December
Wilson Creek, WA
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in December
Wilson Creek, WA
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is January (1.02").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in December
Wilson Creek, WA
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (3.8 days).
Average snowfall in December
Wilson Creek, WA
- Average snowfall in December: 2.6"
The month with the highest snowfall is December (2.6").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in December
Wilson Creek, WA
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is December (6.8 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
Wilson Creek, 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: 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 54min).
Average sunshine days in December
Wilson Creek, WA
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (14.2 days).
Average UV index in December
Wilson Creek, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Wilson Creek, WA
- Average cloud cover in December: 47
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in December
Wilson Creek, 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).
Wilson Creek, Washington, USA
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