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
December proves to be the coldest month, recording an average maximum temperature of 42.3°F (5.7°C) and a minimum temperature of 34.7°F (1.5°C).Humidity
The months with the highest humidity in West Lake Stevens are January and December, with an average relative humidity of 85%.Rainfall
In West Lake Stevens, during December, the rain falls for 19.3 days and regularly aggregates up to 3.82" (97mm) of precipitation. In West Lake Stevens, during the entire year, the rain falls for 179.1 days and collects up to 29.57" (751mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in West Lake Stevens. In West Lake Stevens, during December, snow falls for 1.5 days and regularly aggregates up to 0.51" (13mm) of snow. Throughout the year, there are 8.9 snowfall days, and 6.1" (155mm) of snow is accumulated.Daylight
The month with the shortest days in West Lake Stevens is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 7:38 am and sunset at 4:17 pm. On the last day of December, sunrise is at 7:58 am and sunset at 4:25 pm PST.
Sunshine
The months with the least sunshine in West Lake Stevens are January and December, with an average of 4.2h of sunshine.UV index
The months with the lowest UV index in West Lake Stevens are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What are the coldest months in West Lake Stevens?
Is it cold in West Lake Stevens during December?
What are the most humid months in West Lake Stevens?
What is the average humidity in December in West Lake Stevens?
How many days does it rain in December in West Lake Stevens?
How many days does it snow in December in West Lake Stevens?
What is the month with the shortest days in West Lake Stevens?
How many hours of daylight does West Lake Stevens have in December?
When is the sunrise / sunset in December in West Lake Stevens?
What is the month with the least sunshine in West Lake Stevens?
How many hours of sunshine does West Lake Stevens have in December?
What is the month with the lowest UV index in West Lake Stevens?
How high is the UV index in December in West Lake Stevens?
Average temperature in December
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West Lake Stevens, WA
- Average daylight in December: 8h and 3min
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 1min
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
West 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
West 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
West 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
West 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).
West Lake Stevens, Washington, USA
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