December weather forecast
Colbert, WA

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Weather in December

The first month of the winter, December, is still a freezing cold month in Colbert, Washington, with an average temperature varying between 20.3°F (-6.5°C) and 31.3°F (-0.4°C).

Temperature

During the coldest month, December, temperatures average a high of 31.3°F (-0.4°C) and a low of 20.3°F (-6.5°C).

Humidity

The average relative humidity in December is 89%.

Rainfall

In Colbert, in December, it is raining for 9.2 days, with typically 2.28" (58mm) of accumulated precipitation. In Colbert, during the entire year, the rain falls for 124.9 days and collects up to 17.44" (443mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Colbert, in December, during 16.9 snowfall days, 10.47" (266mm) of snow is typically accumulated. In Colbert, during the entire year, snow falls for 69.2 days and aggregates up to 42.99" (1092mm) of snow.

Daylight

With an average of 8h and 30min of daylight, December has the shortest days of the year.
On the first day of December in Colbert, sunrise is at 7:18 am and sunset at 3:59 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:07 pm PST.

Sunshine

In December, the average sunshine is 3.5h.

UV index

February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 1 in December interprets into the following advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.

Frequently asked questions

What month is the coldest?

The month of December sees the average lowest temperatures, reaching 31.3°F (-0.4°C) at the peak and 20.3°F (-6.5°C) at the low.

How cold is December?

The high-temperature during December is 31.3°F (-0.4°C) and the low-temperature is 20.3°F (-6.5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 84.2°F (29°C).

What is the average humidity in December?

In Colbert, the average relative humidity in December is 89%.

How many days does it rain in December?

In Colbert, in December, during 9.2 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 16.9 days. Throughout December, 10.47" (266mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 30min of daylight.

How many hours of daylight does Colbert have in December?

In December, the average day length in Colbert is 8h and 29min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:18 am and sunset at 3:59 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:07 pm PST.

How long on average sun shines in December?

In Colbert, the average sunshine duration in December is 3.5h.

When is the lowest UV index?

February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index reading in December?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
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
Colbert, WA

Average temperature in December - Colbert, WA
  • Average high temperature in December: 31.3°F

The warmest month (with the highest average high temperature) is August (84°F).
The month with the lowest average high temperature is December (31.3°F).

  • Average low temperature in December: 20.3°F

The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

Average pressure in December
Colbert, WA

Average pressure in December - Colbert, WA
  • Average pressure in December: 30.17"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

Average wind speed in December
Colbert, WA

Average wind speed in December - Colbert, WA
  • Average wind speed in December: 4mph

The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is December (4mph).

Average humidity in December
Colbert, WA

Average humidity in December - Colbert, WA
  • Average humidity in December: 89%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (43%).

Average rainfall in December
Colbert, WA

Average rainfall in December - Colbert, WA
  • Average rainfall in December: 2.28"

The wettest month (with the highest rainfall) is January (2.4").
The driest month (with the least rainfall) is August (0.31").

Average rainfall days in December
Colbert, WA

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

The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is August (5.1 days).

Average snowfall in December
Colbert, WA

Average snowfall in December - Colbert, WA
  • Average snowfall in December: 10.47"

The month with the highest snowfall is January (13.23").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Colbert, WA

Average snowfall days in December - Colbert, WA
  • Average snowfall days in December: 16.9 days

The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Colbert, WA
  • Average daylight in December: 8h and 3min

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 30min).

  • Average sunshine in December: 3h and 3min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in December
Colbert, WA

Average sunshine days in December - Colbert, WA
  • Average sunshine days in December: 11.5 days

The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is March (9.7 days).

Average UV index in December
Colbert, WA

Average UV index in December - Colbert, WA
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).

Average cloud cover in December
Colbert, WA

Average cloud cover in December - Colbert, WA
  • Average cloud cover in December: 63

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in December
Colbert, WA

Average visibility in December - Colbert, WA
  • Average visibility in December: 4mi

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

Colbert, Washington, USA

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