December weather forecast
Cashmere, WA

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Weather in December

December, the first month of the winter in Cashmere, is still a cold month, with an average temperature varying between 20.3°F (-6.5°C) and 32.5°F (0.3°C).

Temperature

Cashmere's coldest month, December, generally records average temperatures ranging from a high of 32.5°F (0.3°C) to a low of 20.3°F (-6.5°C).

Humidity

The average relative humidity in December in Cashmere is 88%.

Rainfall

In Cashmere, Washington, in December, it is raining for 10.2 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 113.5 rainfall days, and 12.32" (313mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Cashmere are January through April, November and December. The month with the most snowfall is December, when snow falls for 7.3 days and typically aggregates up to 4.65" (118mm) of snow.

Daylight

The month with the shortest days in Cashmere is December, with an average of 8h and 30min of daylight.
On the first day of the month, sunrise is at 7:29 am and sunset at 4:12 pm. On the last day of December, in Cashmere, sunrise is at 7:49 am and sunset at 4:20 pm PST.

Sunshine

In Cashmere, the average sunshine in December is 4.9h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Cashmere. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. When the Sun is at its strongest around midday, find shade and limit exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What time of the year is the coldest in Cashmere?

Cashmere's December weather, with an average high temperature of 32.5°F (0.3°C) and an average low temperature of 20.3°F (-6.5°C), tends to be the coldest of the year.

How cold is December in Cashmere?

December temperatures vary between a high-temperature of 32.5°F (0.3°C) and a low-temperature of 20.3°F (-6.5°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 82.4°F (28°C).

What is the average humidity in December in Cashmere?

In Cashmere, the average relative humidity in December is 88%.

How much does it rain in Cashmere in December?

In December, in Cashmere, the rain falls for 10.2 days. Throughout December, 1.77" (45mm) of precipitation is accumulated.

What is the snowiest month in Cashmere?

December is the month with the most snowfall. Snow falls for 7.3 days and accumulates 4.65" (118mm) of snow.

How many days does it snow in December in Cashmere?

In Cashmere, Washington, during December, snow falls for 7.3 days and regularly aggregates up to 4.65" (118mm) of snow.

What is the month with the shortest days in Cashmere?

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

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

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

When is the sunrise / sunset in December in Cashmere?

In December, on the first day of the month, sunrise is at 7:29 am and sunset at 4:12 pm. On the last day of the month, in Cashmere, sunrise is at 7:49 am and sunset at 4:20 pm PST.

How long on average sun shines in December in Cashmere?

The average sunshine duration in December is 4.9h.

What is the month with the lowest UV index in Cashmere?

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

What is the UV index reading in December in Cashmere?

The average daily maximum UV index in December is 2. A UV Index value 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
Cashmere, WA

Average temperature in December - Cashmere, WA
  • Average high temperature in December: 32.5°F

The warmest months (with the highest average high temperature) are July and August (82.2°F).
The month with the lowest average high temperature is December (32.5°F).

  • Average low temperature in December: 20.3°F

The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

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Average pressure in December
Cashmere, WA

Average pressure in December - Cashmere, WA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).

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Average wind speed in December
Cashmere, WA

Average wind speed in December - Cashmere, WA
  • Average wind speed in December: 3.4mph

The windiest months (with the highest average wind speed) are June and July (5.8mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).

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Average humidity in December
Cashmere, WA

Average humidity in December - Cashmere, WA
  • Average humidity in December: 88%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (49%).

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Average rainfall in December
Cashmere, WA

Average rainfall in December - Cashmere, WA
  • Average rainfall in December: 1.77"

The wettest month (with the highest rainfall) is January (2.05").
The driest month (with the least rainfall) is July (0.2").

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Average rainfall days in December
Cashmere, WA

Average rainfall days in December - Cashmere, WA
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is August (3.3 days).

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Average snowfall in December
Cashmere, WA

Average snowfall in December - Cashmere, WA
  • Average snowfall in December: 4.65"

The month with the highest snowfall is December (4.65").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Cashmere, WA

Average snowfall days in December - Cashmere, WA
  • Average snowfall days in December: 7.3 days

The month with the highest number of snowfall days is December (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Cashmere, 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: 4h and 5min

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 24min).

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Average sunshine days in December
Cashmere, WA

Average sunshine days in December - Cashmere, WA
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is August (26.1 days).
The month with the least sunshine days is March (12.4 days).

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Average UV index in December
Cashmere, WA

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in December
Cashmere, WA

Average cloud cover in December - Cashmere, WA
  • Average cloud cover in December: 48

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 12).

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Average visibility in December
Cashmere, WA

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

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