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
The coldest period is December, when temperatures fluctuate between an average high of 33.4°F (0.8°C) and a low of 23.2°F (-4.9°C).Humidity
In Soap Lake, Washington, the average relative humidity in December is 83%.Rainfall
In Soap Lake, in December, during 8 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, there are 95.2 rainfall days, and 7.91" (201mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, September, November and December. December is the month with the most snowfall. Snow falls for 7.8 days and accumulates 3.98" (101mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 30min of daylight.On the first day of December, sunrise is at 7:25 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:17 pm PST.
Sunshine
In Soap Lake, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index 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 exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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?
How many days does it rain in December?
When does it snow the most?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Soap Lake have in December?
When is the sunrise / sunset in December in Soap Lake?
How many hours of sunshine does Soap Lake have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Soap Lake, WA
- Average high temperature in December: 33.4°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (33.4°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).
Average pressure in December
Soap Lake, WA
- Average pressure in December: 30.14"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
Soap Lake, WA
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are January and December (5.3mph).
Average humidity in December
Soap Lake, WA
- Average humidity in December: 83%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are July and August (37%).
Average rainfall in December
Soap Lake, 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 (0.24").
Average rainfall days in December
Soap Lake, WA
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (4.2 days).
Average snowfall in December
Soap Lake, WA
- Average snowfall in December: 3.98"
The month with the highest snowfall is December (3.98").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in December
Soap Lake, WA
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is December (7.8 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Soap Lake, 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 5min
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 30min).
Average sunshine days in December
Soap Lake, WA
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (15.6 days).
Average UV index in December
Soap Lake, 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
Soap Lake, WA
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in December
Soap Lake, 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 month with the lowest visibility is January (4mi).
Soap Lake, Washington, USA
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