December weather forecast
Cheney, WA

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Weather in December

The first month of the winter, December, is also a wintry month in Cheney, Washington, with an average temperature fluctuating between 23°F (-5°C) and 32.7°F (0.4°C).

Temperature

With its high average temperature of 32.7°F (0.4°C) and a low of 23°F (-5°C), December is regarded as the coldest month.

Humidity

In Cheney, the average relative humidity in December is 86%.

Rainfall

The months with the most rainfall in Cheney are January, March and December, with an average 1.85" (47mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Cheney, during December, snow falls for 12.7 days and regularly aggregates up to 6.57" (167mm) of snow. In Cheney, Washington, during the entire year, snow falls for 53 days and aggregates up to 29.69" (754mm) 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, sunrise is at 7:18 am and sunset at 4:01 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:09 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 3.9h of sunshine.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 1 in December translates into these instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Frequently asked questions

What is the coldest month?

In Cheney, December registers the lowest temperatures, averaging 32.7°F (0.4°C) at the peak and 23°F (-5°C) at the lowest.

How cold is December?

The high-temperature, in December, in Cheney, records 32.7°F (0.4°C), while the low-temperature is 23°F (-5°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 82.4°F (28°C).

What is the average humidity in December?

In December, the average relative humidity is 86%.

What is the wettest month?

The wettest months are January, March and December, with an average 1.85" (47mm) of rainfall.

How many days does it rain in December?

In Cheney, in December, during 8.4 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 12.7 days. Throughout December, 6.57" (167mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 30min of daylight.

What is the average length of the day in December?

In Cheney, the average day length in December is 8h and 31min.

When are sunrise and sunset in December?

On the first day of December in Cheney, sunrise is at 7:18 am and sunset at 4:01 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:09 pm PST.

What is the month with the least sunshine?

With an average of 3.9h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December?

The average sunshine duration in December is 3.9h.

What is the month with the lowest UV index?

With an average maximum UV index of 1, December is the month with the lowest UV index in Cheney.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes 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
Cheney, WA

Average temperature in December - Cheney, WA
  • Average high temperature in December: 32.7°F

The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (32.7°F).

  • Average low temperature in December: 23°F

The month with the highest average low temperature is August (59.9°F).
The coldest month (with the lowest average low temperature) is December (23°F).

Average pressure in December
Cheney, WA

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

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).

Average wind speed in December
Cheney, WA

Average wind speed in December - Cheney, WA
  • Average wind speed in December: 6.7mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in December
Cheney, WA

Average humidity in December - Cheney, WA
  • Average humidity in December: 86%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (37%).

Average rainfall in December
Cheney, WA

Average rainfall in December - Cheney, WA
  • Average rainfall in December: 1.85"

The wettest months (with the highest rainfall) are January, March and December (1.85").
The driest month (with the least rainfall) is July (0.28").

Average rainfall days in December
Cheney, WA

Average rainfall days in December - Cheney, WA
  • Average rainfall days in December: 8.4 days

The months with the highest number of rainy days are March and April (14.1 days).
The month with the least rainy days is July (4.5 days).

Average snowfall in December
Cheney, WA

Average snowfall in December - Cheney, WA
  • Average snowfall in December: 6.57"

The month with the highest snowfall is January (8.27").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Cheney, WA

Average snowfall days in December - Cheney, WA
  • Average snowfall days in December: 12.7 days

The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).

Average sunshine days in December
Cheney, WA

Average sunshine days in December - Cheney, WA
  • Average sunshine days in December: 13.9 days

The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is March (11.7 days).

Average UV index in December
Cheney, WA

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

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Cheney, WA

Average cloud cover in December - Cheney, WA
  • Average cloud cover in December: 59

The months with the most cloud cover are January and December (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 12).

Average visibility in December
Cheney, WA

Average visibility in December - Cheney, WA
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Cheney, Washington, USA

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