December weather forecast
McCleary, WA

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Weather in December

December, the first month of the winter in McCleary, is also a wintry month, with temperature in the range of an average low of 33.3°F (0.7°C) and an average high of 42.3°F (5.7°C).

Temperature

December tends to be the coldest month, with temperatures averaging a daily high of 42.3°F (5.7°C) and a low of 33.3°F (0.7°C).

Humidity

With an average relative humidity of 91%, December is the most humid month in McCleary.

Rainfall

In McCleary, during December, the rain falls for 19.8 days and regularly aggregates up to 7.17" (182mm) of precipitation. Throughout the year, there are 183.5 rainfall days, and 44.17" (1122mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In McCleary, Washington, in December, during 1.2 snowfall days, 0.24" (6mm) of snow is typically accumulated. In McCleary, during the entire year, snow falls for 9.1 days and aggregates up to 5.75" (146mm) 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 December, sunrise is at 7:39 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 4:33 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 3.3h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the UV index of 2 transforms into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. 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 is the coldest time of year in McCleary?

McCleary, Washington, witnesses the coldest weather in December, with temperatures averaging a high of 42.3°F (5.7°C) and a low of 33.3°F (0.7°C).

Is December cold in McCleary?

During December, McCleary experiences an average high-temperature of 42.3°F (5.7°C) and a low-temperature of 33.3°F (0.7°C).

What is the most humid month in McCleary?

The most humid month in McCleary is December, with an average relative humidity of 91%.

What is the average humidity in December in McCleary?

In McCleary, the average relative humidity in December is 91%.

How much does it rain in McCleary in December?

In McCleary, during December, the rain falls for 19.8 days and regularly aggregates up to 7.17" (182mm) of precipitation.

How many days does it snow in December in McCleary?

In McCleary, Washington, in December, during 1.2 snowfall days, 0.24" (6mm) of snow is typically accumulated.

What is the month with the shortest days in McCleary?

The month with the shortest days is December, with an average of 8h and 36min of daylight.

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

In McCleary, Washington, the average day length in December is 8h and 35min.

When is the sunrise / sunset in December in McCleary?

On the first day of December, sunrise is at 7:39 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 4:33 pm PST.

What is the month with the least sunshine in McCleary?

The month with the least sunshine is December, with an average of 3.3h of sunshine.

How long on average sun shines in December in McCleary?

The average sunshine duration in December in McCleary, Washington, is 3.3h.

When is the lowest UV index in McCleary?

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

What is the UV index reading in December in McCleary?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's 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
McCleary, WA

Average temperature in December - McCleary, WA
  • Average high temperature in December: 42.3°F

The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (42.3°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).

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Average pressure in December
McCleary, WA

Average pressure in December - McCleary, WA
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).

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Average wind speed in December
McCleary, WA

Average wind speed in December - McCleary, WA
  • Average wind speed in December: 4.1mph

The windiest month (with the highest average wind speed) is June (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.5mph).

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Average humidity in December
McCleary, WA

Average humidity in December - McCleary, WA
  • Average humidity in December: 91%

The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is July (73%).

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Average rainfall in December
McCleary, WA

Average rainfall in December - McCleary, WA
  • Average rainfall in December: 7.17"

The wettest month (with the highest rainfall) is January (7.32").
The driest month (with the least rainfall) is July (0.43").

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Average rainfall days in December
McCleary, WA

Average rainfall days in December - McCleary, WA
  • Average rainfall days in December: 19.8 days

The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (5.7 days).

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Average snowfall in December
McCleary, WA

Average snowfall in December - McCleary, WA
  • Average snowfall in December: 0.24"

The month with the highest snowfall is February (2.56").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
McCleary, WA

Average snowfall days in December - McCleary, WA
  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - McCleary, 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: 3h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

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Average sunshine days in December
McCleary, WA

Average sunshine days in December - McCleary, WA
  • Average sunshine days in December: 9.1 days

The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is March (7.8 days).

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Average UV index in December
McCleary, WA

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

The months with the highest UV index are June and July (UV index 5).
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
McCleary, WA

Average cloud cover in December - McCleary, WA
  • Average cloud cover in December: 67

The months with the most cloud cover are January and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 36).

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Average visibility in December
McCleary, WA

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

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

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McCleary, Washington, USA

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