December weather forecast
Snee Oosh, WA

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Weather in December

The first month of the winter, December, is still a chilly month in Snee Oosh, Washington, with temperature in the range of an average high of 43.5°F (6.4°C) and an average low of 38.8°F (3.8°C).

Temperature

Snee Oosh's coldest temperatures are experienced in December, with average high temperatures of 43.5°F (6.4°C) and lows of 38.8°F (3.8°C).

Humidity

In December, the average relative humidity is 79%.

Rainfall

In December, the rain falls for 19.1 days. Throughout December, 3.5" (89mm) of precipitation is accumulated. In Snee Oosh, during the entire year, the rain falls for 182.3 days and collects up to 30.2" (767mm) of precipitation.

Snowfall

Months with snowfall in Snee Oosh are January through April, November and December. In Snee Oosh, during December, snow falls for 1.8 days and regularly aggregates up to 0.35" (9mm) of snow. In Snee Oosh, during the entire year, snow falls for 9.4 days and aggregates up to 5.98" (152mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 24min of daylight.
On the first day of December, sunrise is at 7:41 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 4:25 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 4h of sunshine.

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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

December, characterized by an average high temperature of 43.5°F (6.4°C) and a low temperature of 38.8°F (3.8°C), is generally the coldest month.

How cold is it in December?

The high-temperature, in December, in Snee Oosh, is 43.5°F (6.4°C), while the low-temperature averages to 38.8°F (3.8°C).

What is the average humidity in December in Snee Oosh?

In December, the average relative humidity is 79%.

How much does it rain in December?

In Snee Oosh, in December, during 19.1 rainfall days, 3.5" (89mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Snee Oosh, in December, during 1.8 snowfall days, 0.35" (9mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 24min of daylight.

What is the average length of the day in December?

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

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:41 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 4:25 pm PST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 4h of sunshine.

How long on average sun shines in December?

In Snee Oosh, the average sunshine duration in December is 4h.

What are the months with 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?

The average daily maximum UV index in December 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
Snee Oosh, WA

Average temperature in December - Snee Oosh, WA
  • Average high temperature in December: 43.5°F

The warmest month (with the highest average high temperature) is July (66.9°F).
The month with the lowest average high temperature is December (43.5°F).

  • Average low temperature in December: 38.8°F

The month with the highest average low temperature is August (55.8°F).
The coldest month (with the lowest average low temperature) is February (38.1°F).

Average pressure in December
Snee Oosh, WA

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

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).

Average wind speed in December
Snee Oosh, WA

Average wind speed in December - Snee Oosh, WA
  • Average wind speed in December: 8.7mph

The windiest month (with the highest average wind speed) is November (8.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in December
Snee Oosh, WA

Average humidity in December - Snee Oosh, WA
  • Average humidity in December: 79%

The months with the highest relative humidity are January and February (81%).
The month with the lowest relative humidity is July (76%).

Average rainfall in December
Snee Oosh, WA

Average rainfall in December - Snee Oosh, WA
  • Average rainfall in December: 3.5"

The wettest month (with the highest rainfall) is November (4.45").
The driest month (with the least rainfall) is July (0.59").

Average rainfall days in December
Snee Oosh, WA

Average rainfall days in December - Snee Oosh, WA
  • Average rainfall days in December: 19.1 days

The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is August (7.3 days).

Average snowfall in December
Snee Oosh, WA

Average snowfall in December - Snee Oosh, WA
  • Average snowfall in December: 0.35"

The month with the highest snowfall is February (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Snee Oosh, WA

Average snowfall days in December - Snee Oosh, WA
  • Average snowfall days in December: 1.8 days

The month with the highest number of snowfall days is February (3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Snee Oosh, WA

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

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 24min).

  • Average sunshine in December: 4h and 0min

The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).

Average sunshine days in December
Snee Oosh, WA

Average sunshine days in December - Snee Oosh, WA
  • Average sunshine days in December: 9.5 days

The months with the most sunshine days are July and August (22.7 days).
The month with the least sunshine days is February (8.3 days).

Average UV index in December
Snee Oosh, WA

Average UV index in December - Snee Oosh, 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).

Average cloud cover in December
Snee Oosh, WA

Average cloud cover in December - Snee Oosh, 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 25).

Average visibility in December
Snee Oosh, WA

Average visibility in December - Snee Oosh, 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).

Snee Oosh, Washington, USA

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