December weather forecast
Burlington, WA

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Weather in December

The first month of the winter, December, is also a wintry month in Burlington, Washington, with an average temperature fluctuating between 36.3°F (2.4°C) and 42.6°F (5.9°C).

Temperature

December, marked by an average high-temperature of 42.6°F (5.9°C) and a low-temperature of 36.3°F (2.4°C), is the coldest month.

Humidity

In December, the average relative humidity in Burlington is 82%.

Rainfall

In Burlington, during December, the rain falls for 19.5 days and regularly aggregates up to 4.06" (103mm) of precipitation. Throughout the year, there are 185.2 rainfall days, and 34.72" (882mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Burlington are January through April, November and December. In Burlington, in December, during 1.5 snowfall days, 0.47" (12mm) of snow is typically accumulated. Throughout the year, there are 9.9 snowfall days, and 7.91" (201mm) of snow is accumulated.

Daylight

With an average of 8h and 24min of daylight, December has the shortest days of the year in Burlington.
On the first day of the month, sunrise is at 7:40 am and sunset at 4:16 pm. On the last day of December, in Burlington, sunrise is at 8:00 am and sunset at 4:24 pm PST.

Sunshine

December has the least sunshine of the year, with an average of 3.9h of sunshine.

UV index

The months with the lowest UV index in Burlington, Washington, are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What is the coldest time of year in Burlington?

With average temperatures fluctuating between a high of 42.6°F (5.9°C) and a low of 36.3°F (2.4°C), December stands out as the coldest month in Burlington, Washington.

Is it cold in Burlington during December?

Burlington in December has an average high-temperature of 42.6°F (5.9°C) and an average low-temperature of 36.3°F (2.4°C).

What is the average humidity in December in Burlington?

The average relative humidity in December is 82%.

How many days does it rain in December in Burlington?

In December, in Burlington, the rain falls for 19.5 days. Throughout December, 4.06" (103mm) of precipitation is accumulated.

How many days does it snow in December in Burlington?

In December, it is snowing for 1.5 days. Throughout December, 0.47" (12mm) of snow is accumulated.

What is the month with the shortest days in Burlington?

The month with the shortest days in Burlington is December, with an average of 8h and 24min of daylight.

What is the average length of the day in December in Burlington?

In Burlington, Washington, the average day length in December is 8h and 23min.

When are sunrise and sunset in December in Burlington?

In December, on the first day of the month, sunrise is at 7:40 am and sunset at 4:16 pm. On the last day of the month, in Burlington, Washington, sunrise is at 8:00 am and sunset at 4:24 pm PST.

What is the month with the least sunshine in Burlington?

The month with the least sunshine is December, with an average of 3.9h of sunshine.

How long on average sun shines in December in Burlington?

In December, the average sunshine duration in Burlington is 3.9h.

When is the lowest UV index in Burlington?

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

What is the UV index intensity in December in Burlington?

In Burlington, Washington, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
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
Burlington, WA

Average temperature in December - Burlington, WA
  • Average high temperature in December: 42.6°F

The warmest months (with the highest average high temperature) are July and August (68.4°F).
The month with the lowest average high temperature is December (42.6°F).

  • Average low temperature in December: 36.3°F

The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is February (36.1°F).

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Average pressure in December
Burlington, WA

Average pressure in December - Burlington, WA
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

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Average wind speed in December
Burlington, WA

Average wind speed in December - Burlington, WA
  • Average wind speed in December: 7.2mph

The windiest month (with the highest average wind speed) is November (7.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in December
Burlington, WA

Average humidity in December - Burlington, WA
  • Average humidity in December: 82%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is July (75%).

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Average rainfall in December
Burlington, WA

Average rainfall in December - Burlington, WA
  • Average rainfall in December: 4.06"

The wettest month (with the highest rainfall) is November (4.96").
The driest month (with the least rainfall) is July (0.63").

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Average rainfall days in December
Burlington, WA

Average rainfall days in December - Burlington, WA
  • Average rainfall days in December: 19.5 days

The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (7.2 days).

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Average snowfall in December
Burlington, WA

Average snowfall in December - Burlington, WA
  • Average snowfall in December: 0.47"

The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Burlington, WA

Average snowfall days in December - Burlington, WA
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is February (3.6 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
Burlington, WA

Average daylight in December / Average sunshine in December - Burlington, WA
  • Average daylight in December: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in December: 3h and 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).

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Average sunshine days in December
Burlington, WA

Average sunshine days in December - Burlington, WA
  • Average sunshine days in December: 9.9 days

The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is November (8.1 days).

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Average UV index in December
Burlington, WA

Average UV index in December - Burlington, WA
  • Average UV index in December: 2

The month with the highest UV index is 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
Burlington, WA

Average cloud cover in December - Burlington, WA
  • Average cloud cover in December: 59

The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 26).

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Average visibility in December
Burlington, WA

Average visibility in December - Burlington, WA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Burlington, Washington, USA

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