December weather forecast
Methow, WA

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Weather in December

December, the first month of the winter in Methow, is still a freezing cold month, with an average temperature ranging between min 18.9°F (-7.3°C) and max 30.7°F (-0.7°C).

Temperature

The months of January and December are noted for their lowest temperatures, with an average high-temperature of 30.7°F (-0.7°C).

Humidity

In December, the average relative humidity in Methow is 87%.

Rainfall

The month with the most rainfall in Methow is December, when the rain falls for 8.6 days and typically aggregates up to 1.34" (34mm) of precipitation.

Snowfall

Months with snowfall in Methow are January through March, November and December. December is the month with the most snowfall in Methow. Snow falls for 9.7 days and accumulates 4.72" (120mm) 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 the month, sunrise is at 7:30 am and sunset at 4:08 pm. On the last day of December, sunrise is at 7:50 am and sunset at 4:16 pm PST.

Sunshine

In Methow, the average sunshine in December is 4.6h.

UV index

In Methow, Washington, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 2 during December translates into the following guidance:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

What are the coldest months in Methow?

Lowest temperatures in Methow, Washington, are observed in January and December, averaging a high-temperature of 30.7°F (-0.7°C).

How cold is it in Methow in December?

In December, in Methow, the average high-temperature is 30.7°F (-0.7°C), and the average low-temperature is 18.9°F (-7.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 82.4°F (28°C).

What is the average humidity in December in Methow?

The average relative humidity in December is 87%.

What is the rainiest month in Methow?

December is the month with the most rainfall in Methow, Washington. Rain falls for 8.6 days and accumulates 1.34" (34mm) of precipitation.

How many days does it rain in December in Methow?

In Methow, Washington, in December, during 8.6 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

When does it snow the most in Methow?

December is the month with the most snowfall. Snow falls for 9.7 days and accumulates 4.72" (120mm) of snow.

How many days does it snow in December in Methow?

In Methow, Washington, during December, snow falls for 9.7 days and regularly aggregates up to 4.72" (120mm) of snow.

What is the month with the shortest days in Methow?

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

How many hours of daylight does Methow have in December?

In December, the average day length in Methow, Washington, is 8h and 26min.

What time are sunrise and sunset in December in Methow?

In December, on the first day of the month, sunrise is at 7:30 am and sunset at 4:08 pm. On the last day of the month, in Methow, Washington, sunrise is at 7:50 am and sunset at 4:16 pm PST.

How long on average sun shines in December in Methow?

The average sunshine duration in December is 4.6h.

What is the UV index reading in December in Methow?

In December, the average daily maximum UV index in Methow is 2. A UV Index of 2, and less, symbolizes a low health threat from 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
Methow, WA

Average temperature in December - Methow, WA
  • Average high temperature in December: 30.7°F

The warmest months (with the highest average high temperature) are July and August (83.1°F).
The months with the lowest average high temperature are January and December (30.7°F).

  • Average low temperature in December: 18.9°F

The month with the highest average low temperature is August (57°F).
The coldest month (with the lowest average low temperature) is December (18.9°F).

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Average pressure in December
Methow, WA

Average pressure in December - Methow, WA
  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).

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Average wind speed in December
Methow, WA

Average wind speed in December - Methow, WA
  • Average wind speed in December: 3.7mph

The windiest months (with the highest average wind speed) are April, June and July (5.3mph).
The calmest month (with the lowest average wind speed) is January (3.5mph).

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Average humidity in December
Methow, WA

Average humidity in December - Methow, WA
  • Average humidity in December: 87%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in December
Methow, WA

Average rainfall in December - Methow, WA
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is December (1.34").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in December
Methow, WA

Average rainfall days in December - Methow, WA
  • Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (2.8 days).

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Average snowfall in December
Methow, WA

Average snowfall in December - Methow, WA
  • Average snowfall in December: 4.72"

The month with the highest snowfall is December (4.72").
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
Methow, WA

Average snowfall days in December - Methow, WA
  • Average snowfall days in December: 9.7 days

The month with the highest number of snowfall days is December (9.7 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
Methow, WA

Average daylight in December / Average sunshine in December - Methow, 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 4min

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: 4h and 12min).

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Average sunshine days in December
Methow, WA

Average sunshine days in December - Methow, WA
  • Average sunshine days in December: 14.9 days

The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is February (13.7 days).

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Average UV index in December
Methow, WA

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

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

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Average cloud cover in December
Methow, WA

Average cloud cover in December - Methow, WA
  • Average cloud cover in December: 50

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in December
Methow, WA

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

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

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Methow, Washington, USA

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