December weather forecast
Artesian, WA

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Weather in December

December, the first month of the winter in Artesian, is still a cold month, with an average temperature varying between 25.7°F (-3.5°C) and 37°F (2.8°C).

Temperature

Temperature records mark December as the coldest month, with highs averaging 37°F (2.8°C) and lows at 25.7°F (-3.5°C).

Humidity

In December, the average relative humidity is 79%.

Rainfall

In December, in Artesian, the rain falls for 8.5 days. Throughout December, 0.71" (18mm) of precipitation is accumulated. Throughout the year, in Artesian, there are 78.5 rainfall days, and 5.16" (131mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Artesian, Washington, are January through March, September, November and December. In Artesian, Washington, in December, during 3.5 snowfall days, 1.57" (40mm) of snow is typically accumulated. Throughout the year, there are 12.8 snowfall days, and 5.35" (136mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8h and 36min of daylight.
On the first day of December in Artesian, Washington, sunrise is at 7:25 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:24 pm PST.

Sunshine

In December, the average sunshine is 5.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Artesian, Washington. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Experience reduced UV exposure by about half when donning a wide-brim hat. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Frequently asked questions

What time of the year is the coldest in Artesian?

The coldest period in Artesian is December, when temperatures fluctuate between an average high of 37°F (2.8°C) and a low of 25.7°F (-3.5°C).

How cold is December in Artesian?

Artesian in December has an average high-temperature of 37°F (2.8°C) and an average low-temperature of 25.7°F (-3.5°C).

What is the average humidity in December in Artesian?

The average relative humidity in December is 79%.

How much does it rain in Artesian in December?

In Artesian, Washington, during December, the rain falls for 8.5 days and regularly aggregates up to 0.71" (18mm) of precipitation.

How many days does it snow in December in Artesian?

In December, in Artesian, it is snowing for 3.5 days. Throughout December, 1.57" (40mm) of snow is accumulated.

What is the month with the shortest days in Artesian?

With an average of 8h and 36min of daylight, December has the shortest days of the year in Artesian.

How many hours of daylight does Artesian have in December?

The average day length in December in Artesian is 8h and 39min.

What time are sunrise and sunset in December in Artesian?

On the first day of December in Artesian, Washington, sunrise is at 7:25 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:24 pm PST.

How long on average sun shines in December in Artesian?

The average sunshine duration in December is 5.9h.

What are the months with the lowest UV index in Artesian?

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

How high is the UV index in December in Artesian?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat 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
Artesian, WA

Average temperature in December - Artesian, WA
  • Average high temperature in December: 37°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is December (37°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is August (61.2°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).

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Average pressure in December
Artesian, WA

Average pressure in December - Artesian, WA
  • Average pressure in December: 30.14"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).

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Average wind speed in December
Artesian, WA

Average wind speed in December - Artesian, WA
  • Average wind speed in December: 4.6mph

The windiest months (with the highest average wind speed) are April and June (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.6mph).

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Average humidity in December
Artesian, WA

Average humidity in December - Artesian, WA
  • Average humidity in December: 79%

The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (38%).

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Average rainfall in December
Artesian, WA

Average rainfall in December - Artesian, WA
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is January (0.83").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in December
Artesian, WA

Average rainfall days in December - Artesian, WA
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is March (9.8 days).
The month with the least rainy days is July (2.1 days).

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Average snowfall in December
Artesian, WA

Average snowfall in December - Artesian, WA
  • Average snowfall in December: 1.57"

The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, May, June, July, August and October (0").

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Average snowfall days in December
Artesian, WA

Average snowfall days in December - Artesian, WA
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).

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

Average daylight in December / Average sunshine in December - Artesian, 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 36min).

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Average sunshine days in December
Artesian, WA

Average sunshine days in December - Artesian, WA
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is February (17.9 days).

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Average UV index in December
Artesian, WA

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

The month with the highest UV index is July (UV index 7).
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
Artesian, WA

Average cloud cover in December - Artesian, WA
  • Average cloud cover in December: 37

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in December
Artesian, WA

Average visibility in December - Artesian, 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).

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Artesian, Washington, USA

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