December weather forecast
Blaine, WA

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Weather in December

December, the first month of the winter in Blaine, is still a cold month, with an average temperature varying between 41.9°F (5.5°C) and 36°F (2.2°C).

Temperature

December is Blaine's coldest month, registering average high temperatures of 41.9°F (5.5°C) and lows of 36°F (2.2°C).

Humidity

In December, the average relative humidity is 82%.

Rainfall

In Blaine, during December, the rain falls for 18.2 days and regularly aggregates up to 6.34" (161mm) of precipitation. In Blaine, during the entire year, the rain falls for 176.1 days and collects up to 43.78" (1112mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Blaine, in December, snow falls for 2 days, with typically accumulated 1.54" (39mm) of snow. In Blaine, during the entire year, snow falls for 10.5 days and aggregates up to 6.77" (172mm) of snow.

Daylight

The month with the shortest days in Blaine is December, with an average of 8h and 18min of daylight.
On the first day of the month, sunrise is at 7:44 am and sunset at 4:16 pm. On the last day of December, sunrise is at 8:04 am and sunset at 4:23 pm PST.

Sunshine

The months with the least sunshine are January and December, with an average of 3.9h of sunshine.

UV index

The months with the lowest UV index in Blaine are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 2 during December leads to these advisories:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What time of the year is the coldest in Blaine?

Blaine's December weather, marked by an average high temperature of 41.9°F (5.5°C) and an average low temperature of 36°F (2.2°C), is the coldest in the year.

Is it cold in Blaine during December?

In December, the average high-temperature and low-temperature in Blaine, Washington, are 41.9°F (5.5°C) and 36°F (2.2°C) respectively.

What is the average humidity in December in Blaine?

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

How many days does it rain in December in Blaine?

In Blaine, in December, it is raining for 18.2 days, with typically 6.34" (161mm) of accumulated precipitation.

How many days does it snow in December in Blaine?

In Blaine, Washington, during December, snow falls for 2 days and regularly aggregates up to 1.54" (39mm) of snow.

What is the month with the shortest days in Blaine?

December has the shortest days of the year, with an average of 8h and 18min of daylight.

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

In Blaine, the average day length in December is 8h and 19min.

What time are sunrise and sunset in December in Blaine?

On the first day of December, sunrise is at 7:44 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 4:23 pm PST.

What are the months with the least sunshine in Blaine?

January and December, with an average of 3.9h of sunshine, are months with the least sunshine.

How many hours of sunshine does Blaine have in December?

The average sunshine duration in December is 3.9h.

What is the month with the lowest UV index in Blaine?

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

What is the UV index intensity in December in Blaine?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat from 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
Blaine, WA

Average temperature in December - Blaine, WA
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is August (70°F).
The month with the lowest average high temperature is December (41.9°F).

  • Average low temperature in December: 36°F

The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is February (35.8°F).

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Average pressure in December
Blaine, WA

Average pressure in December - Blaine, WA
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).

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Average wind speed in December
Blaine, WA

Average wind speed in December - Blaine, WA
  • Average wind speed in December: 6.3mph

The windiest months (with the highest average wind speed) are November and December (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity in December
Blaine, WA

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

The months with the highest relative humidity are January and November (83%).
The month with the lowest relative humidity is July (74%).

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Average rainfall in December
Blaine, WA

Average rainfall in December - Blaine, WA
  • Average rainfall in December: 6.34"

The wettest month (with the highest rainfall) is November (7.13").
The driest month (with the least rainfall) is July (0.67").

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Average rainfall days in December
Blaine, WA

Average rainfall days in December - Blaine, WA
  • Average rainfall days in December: 18.2 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
Blaine, WA

Average snowfall in December - Blaine, WA
  • Average snowfall in December: 1.54"

The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Blaine, WA

Average snowfall days in December - Blaine, WA
  • Average snowfall days in December: 2 days

The month with the highest number of snowfall days is February (3.7 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
Blaine, WA

Average daylight in December / Average sunshine in December - Blaine, 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 18min).

  • Average sunshine in December: 3h and 5min

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

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Average sunshine days in December
Blaine, WA

Average sunshine days in December - Blaine, WA
  • Average sunshine days in December: 10.5 days

The month with the most sunshine days is August (23.2 days).
The month with the least sunshine days is November (8.8 days).

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Average UV index in December
Blaine, WA

Average UV index in December - Blaine, 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
Blaine, WA

Average cloud cover in December - Blaine, WA
  • Average cloud cover in December: 58

The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).

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Average visibility in December
Blaine, WA

Average visibility in December - Blaine, 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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Blaine, Washington, USA

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