December weather forecast
Tasker, WA

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Weather in December

December, the first month of the winter in Tasker, is also an icy month, with an average temperature fluctuating between 23.9°F (-4.5°C) and 36°F (2.2°C).

Temperature

With average high and low temperatures of 36°F (2.2°C) and 23.9°F (-4.5°C) respectively, December is Tasker's coldest month.

Humidity

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

Rainfall

December is the month with the most rainfall. Rain falls for 9.2 days and accumulates 0.87" (22mm) of precipitation.

Snowfall

January through April, September, November and December are months with snowfall. The month with the most snowfall is December, when snow falls for 5.7 days and typically aggregates up to 3.07" (78mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 36min of daylight.
On the first day of December, sunrise is at 7:27 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 4:25 pm PST.

Sunshine

In Tasker, the average sunshine in December is 5.8h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 2 during December leads to these advisories:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

In Tasker, the lowest temperatures are generally noted in December, averaging a high of 36°F (2.2°C) and a low of 23.9°F (-4.5°C).

How cold is December?

During December, Tasker experiences an average high-temperature of 36°F (2.2°C) and a low-temperature of 23.9°F (-4.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is evaluated at 84.2°F (29°C).

What is the average humidity in December?

In December, the average relative humidity is 82%.

What is the wettest month?

December is the month with the most rainfall. Rain falls for 9.2 days and accumulates 0.87" (22mm) of precipitation.

How many days does it rain in December?

In Tasker, in December, during 9.2 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

What is the snowiest month?

The month with the most snowfall is December, when snow falls for 5.7 days and typically aggregates up to 3.07" (78mm) of snow.

How much does it snow in December?

In Tasker, in December, snow falls for 5.7 days, with typically accumulated 3.07" (78mm) of snow.

What is the month with the shortest days in Tasker?

The month with the shortest days is December, with an average of 8h and 36min of daylight.

What is the average length of the day in December?

The average day length in December is 8h and 38min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:27 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 4:25 pm PST.

How many hours of sunshine does Tasker have in December?

In Tasker, the average sunshine duration in December is 5.8h.

When is the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index in Tasker is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Tasker, WA

Average temperature in December - Tasker, WA
  • Average high temperature in December: 36°F

The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (36°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).

Average pressure in December
Tasker, WA

Average pressure in December - Tasker, WA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).

Average wind speed in December
Tasker, WA

Average wind speed in December - Tasker, WA
  • Average wind speed in December: 4.2mph

The windiest month (with the highest average wind speed) is June (7.4mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).

Average humidity in December
Tasker, WA

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

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (41%).

Average rainfall in December
Tasker, WA

Average rainfall in December - Tasker, WA
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is July (0.08").

Average rainfall days in December
Tasker, WA

Average rainfall days in December - Tasker, WA
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is July (2.3 days).

Average snowfall in December
Tasker, WA

Average snowfall in December - Tasker, WA
  • Average snowfall in December: 3.07"

The month with the highest snowfall is December (3.07").
The months with the least snowfall are May, June, July, August and October (0").

Average snowfall days in December
Tasker, WA

Average snowfall days in December - Tasker, WA
  • Average snowfall days in December: 5.7 days

The month with the highest number of snowfall days is December (5.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

Average daylight in December /
Average sunshine in December
Tasker, WA

Average daylight in December / Average sunshine in December - Tasker, WA
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 5h and 5min

The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

Average sunshine days in December
Tasker, WA

Average sunshine days in December - Tasker, WA
  • Average sunshine days in December: 17.9 days

The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is February (15.5 days).

Average UV index in December
Tasker, WA

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Tasker, WA

Average cloud cover in December - Tasker, WA
  • Average cloud cover in December: 38

The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).

Average visibility in December
Tasker, WA

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

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Tasker, Washington, USA

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