December weather forecast
Cunningham, WA

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Weather in December

December, the first month of the winter in Cunningham, is also an icy month, with temperature in the range of an average low of 26.2°F (-3.2°C) and an average high of 36.5°F (2.5°C).

Temperature

December is Cunningham's coldest month, registering average high temperatures of 36.5°F (2.5°C) and lows of 26.2°F (-3.2°C).

Humidity

In December, the average relative humidity in Cunningham is 80%.

Rainfall

In Cunningham, during December, the rain falls for 9.9 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, in Cunningham, Washington, there are 97 rainfall days, and 7.36" (187mm) of precipitation is accumulated.

Snowfall

January through March, September, November and December are months with snowfall. In Cunningham, during December, snow falls for 4.1 days and regularly aggregates up to 1.22" (31mm) of snow. In Cunningham, during the entire year, snow falls for 14.2 days and aggregates up to 5.43" (138mm) 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 the month, sunrise is at 7:20 am and sunset at 4:08 pm. On the last day of December, sunrise is at 7:40 am and sunset at 4:17 pm PST.

Sunshine

The average sunshine in December is 5.3h.

UV index

The months with the lowest UV index in Cunningham 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 health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the UV index of 2 transforms into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What is the coldest month in Cunningham?

Cunningham's December weather reaches an average high of 36.5°F (2.5°C) and an average low of 26.2°F (-3.2°C), making it the coldest month.

How cold is December in Cunningham?

The high-temperature in Cunningham during December is 36.5°F (2.5°C) and the low-temperature is 26.2°F (-3.2°C).

What is the average humidity in December in Cunningham?

In December, the average relative humidity in Cunningham is 80%.

How much does it rain in Cunningham in December?

In Cunningham, Washington, in December, it is raining for 9.9 days, with typically 0.91" (23mm) of accumulated precipitation.

How much does it snow in Cunningham in December?

In Cunningham, in December, during 4.1 snowfall days, 1.22" (31mm) of snow is typically accumulated.

What is the month with the shortest days in Cunningham?

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

What is the average length of the day in December in Cunningham?

The average day length in December in Cunningham, Washington, is 8h and 37min.

When is the sunrise / sunset in December in Cunningham?

On the first day of December in Cunningham, sunrise is at 7:20 am and sunset at 4:08 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:17 pm PST.

How long on average sun shines in December in Cunningham?

In Cunningham, the average sunshine duration in December is 5.3h.

When is the lowest UV index in Cunningham?

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

What is the UV index intensity in December in Cunningham?

In Cunningham, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Cunningham, WA

Average temperature in December - Cunningham, WA
  • Average high temperature in December: 36.5°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in December: 26.2°F

The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).

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Average pressure in December
Cunningham, WA

Average pressure in December - Cunningham, WA
  • Average pressure in December: 30.16"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).

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Average wind speed in December
Cunningham, WA

Average wind speed in December - Cunningham, WA
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).

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Average humidity in December
Cunningham, WA

Average humidity in December - Cunningham, WA
  • Average humidity in December: 80%

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are July and August (36%).

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Average rainfall in December
Cunningham, WA

Average rainfall in December - Cunningham, WA
  • Average rainfall in December: 0.91"

The wettest month (with the highest rainfall) is January (0.94").
The driest months (with the least rainfall) are July and August (0.2").

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Average rainfall days in December
Cunningham, WA

Average rainfall days in December - Cunningham, WA
  • Average rainfall days in December: 9.9 days

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (3.3 days).

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Average snowfall in December
Cunningham, WA

Average snowfall in December - Cunningham, WA
  • Average snowfall in December: 1.22"

The month with the highest snowfall is February (1.97").
The months with the least snowfall are April, May, June, July, August and October (0").

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Average snowfall days in December
Cunningham, WA

Average snowfall days in December - Cunningham, WA
  • Average snowfall days in December: 4.1 days

The month with the highest number of snowfall days is December (4.1 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
Cunningham, WA

Average daylight in December / Average sunshine in December - Cunningham, 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 2min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

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Average sunshine days in December
Cunningham, WA

Average sunshine days in December - Cunningham, WA
  • Average sunshine days in December: 16.6 days

The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is February (14.8 days).

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Average UV index in December
Cunningham, WA

Average UV index in December - Cunningham, 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
Cunningham, WA

Average cloud cover in December - Cunningham, WA
  • Average cloud cover in December: 45

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 10).

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Average visibility in December
Cunningham, WA

Average visibility in December - Cunningham, 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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Cunningham, Washington, USA

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