December weather forecastLake Stevens, WA
December
Weather in December
December, the first month of the winter in Lake Stevens, is also an icy month, with an average temperature ranging between min 34.7°F (1.5°C) and max 42.3°F (5.7°C).Temperature
In Lake Stevens, December records the lowest average temperatures, peaking at 42.3°F (5.7°C) and reaching a low of 34.7°F (1.5°C).Humidity
January and December, with an average relative humidity of 85%, are the most humid months in Lake Stevens, Washington.Rainfall
In Lake Stevens, Washington, in December, during 19.3 rainfall days, 3.82" (97mm) of precipitation is typically accumulated. Throughout the year, there are 179.1 rainfall days, and 29.57" (751mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Lake Stevens. In December, it is snowing for 1.5 days. Throughout December, 0.51" (13mm) of snow is accumulated. Throughout the year, in Lake Stevens, Washington, there are 8.9 snowfall days, and 6.1" (155mm) of snow is accumulated.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year.On the first day of December in Lake Stevens, sunrise is at 7:37 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 4:25 pm PST.
Sunshine
January and December, with an average of 4.2h of sunshine, are months with the least sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lake Stevens. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lake Stevens, WA
- Average high temperature in December: 42.3°F
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure in December
Lake Stevens, WA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Lake Stevens, WA
- Average wind speed in December: 5.4mph
The windiest months (with the highest average wind speed) are March and November (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in December
Lake Stevens, WA
- Average humidity in December: 85%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall in December
Lake Stevens, WA
- Average rainfall in December: 3.82"
The wettest month (with the highest rainfall) is November (4.06").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in December
Lake Stevens, WA
- Average rainfall days in December: 19.3 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in December
Lake Stevens, WA
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Lake Stevens, WA
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (3.1 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
Lake Stevens, WA
- Average daylight in December: 8h and 30min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in December
Lake Stevens, WA
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is August (23.1 days).
The months with the least sunshine days are February and November (8.6 days).
Average UV index in December
Lake Stevens, 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
Lake Stevens, WA
- Average cloud cover in December: 57
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Lake Stevens, WA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
