December weather forecast
Lake Stevens, WA

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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.
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Frequently asked questions

What are the coldest months in Lake Stevens?

With average high and low temperatures of 42.3°F (5.7°C) and 34.7°F (1.5°C) respectively, December is Lake Stevens's coldest month.

How cold is December in Lake Stevens?

December temperatures in Lake Stevens vary between a high-temperature of 42.3°F (5.7°C) and a low-temperature of 34.7°F (1.5°C).

What are the most humid months in Lake Stevens?

The months with the highest humidity in Lake Stevens, Washington, are January and December, with an average relative humidity of 85%.

What is the average humidity in December in Lake Stevens?

In December, the average relative humidity in Lake Stevens is 85%.

How much does it rain in Lake Stevens in December?

In December, in Lake Stevens, Washington, the rain falls for 19.3 days. Throughout December, 3.82" (97mm) of precipitation is accumulated.

How many days does it snow in December in Lake Stevens?

In December, in Lake Stevens, it is snowing for 1.5 days. Throughout December, 0.51" (13mm) of snow is accumulated.

What is the month with the shortest days in Lake Stevens?

With an average of 8h and 30min of daylight, December has the shortest days of the year.

How many hours of daylight does Lake Stevens have in December?

In December, the average day length in Lake Stevens, Washington, is 8h and 27min.

When are sunrise and sunset in December in Lake Stevens?

In December, on the first day of the month, sunrise is at 7:37 am and sunset at 4:17 pm. On the last day of the month, in Lake Stevens, Washington, sunrise is at 7:58 am and sunset at 4:25 pm PST.

What is the month with the least sunshine in Lake Stevens?

January and December, with an average of 4.2h of sunshine, are months with the least sunshine in Lake Stevens, Washington.

How many hours of sunshine does Lake Stevens have in December?

The average sunshine duration in December in Lake Stevens is 4.2h.

When is the lowest UV index in Lake Stevens?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lake Stevens.

What is the UV index reading in December in Lake Stevens?

In December, the average daily maximum UV index in Lake Stevens, Washington, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Lake Stevens, WA

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).

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Average pressure in December
Lake Stevens, WA

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).

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Average wind speed in December
Lake Stevens, WA

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).

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Average humidity in December
Lake Stevens, WA

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%).

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Average rainfall in December
Lake Stevens, WA

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").

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Average rainfall days in December
Lake Stevens, WA

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).

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Average snowfall in December
Lake Stevens, WA

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").

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Average snowfall days in December
Lake Stevens, WA

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).

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Average daylight in December /
Average sunshine in December
Lake Stevens, WA

Average daylight in December / Average sunshine in December - 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).

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Average sunshine days in December
Lake Stevens, WA

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).

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Average UV index in December
Lake Stevens, WA

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).

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Average cloud cover in December
Lake Stevens, WA

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).

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Average visibility in December
Lake Stevens, WA

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).

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Lake Stevens, Washington, USA

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