December weather forecast
Dunsmuir, CA

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Weather in December

December, the first month of the winter in Dunsmuir, is still a cold month, with temperature in the range of an average high of 42.3°F (5.7°C) and an average low of 27.7°F (-2.4°C).

Temperature

Dunsmuir witnesses the coldest weather in December, with temperatures averaging a high of 42.3°F (5.7°C) and a low of 27.7°F (-2.4°C).

Humidity

The average relative humidity in December in Dunsmuir, California, is 79%.

Rainfall

In Dunsmuir, during December, the rain falls for 11.6 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, there are 102.5 rainfall days, and 12.56" (319mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Dunsmuir are January through April, October through December. In Dunsmuir, California, in December, snow falls for 5.4 days, with typically accumulated 2.13" (54mm) of snow. In Dunsmuir, during the entire year, snow falls for 25.3 days and aggregates up to 16.97" (431mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:15 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:50 pm PST.

Sunshine

The month with the least sunshine in Dunsmuir is December, with an average of 5.2h of sunshine.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Dunsmuir. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What is the coldest month in Dunsmuir?

December is the coldest month of the year in Dunsmuir, California, registering average temperatures as high as 42.3°F (5.7°C) and as low as 27.7°F (-2.4°C).

How cold does it get in Dunsmuir in December?

The high-temperature during December is 42.3°F (5.7°C) and the low-temperature is 27.7°F (-2.4°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 86°F (30°C).

What is the average humidity in December in Dunsmuir?

The average relative humidity in December is 79%.

How much does it rain in Dunsmuir in December?

In Dunsmuir, California, during December, the rain falls for 11.6 days and regularly aggregates up to 1.85" (47mm) of precipitation.

How much does it snow in Dunsmuir in December?

In Dunsmuir, during December, snow falls for 5.4 days and regularly aggregates up to 2.13" (54mm) of snow.

What is the month with the shortest days in Dunsmuir?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

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

The average day length in December in Dunsmuir, California, is 9h and 16min.

What time are sunrise and sunset in December in Dunsmuir?

In December, on the first day of the month, sunrise is at 7:15 am and sunset at 4:40 pm. On the last day of the month, in Dunsmuir, sunrise is at 7:34 am and sunset at 4:50 pm PST.

What is the month with the least sunshine in Dunsmuir?

December has the least sunshine of the year in Dunsmuir, California, with an average of 5.2h of sunshine.

How many hours of sunshine does Dunsmuir have in December?

In Dunsmuir, California, the average sunshine duration in December is 5.2h.

What are the months with the lowest UV index in Dunsmuir?

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

How high is the UV index in December in Dunsmuir?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Dunsmuir, CA

Average temperature in December - Dunsmuir, CA
  • Average high temperature in December: 42.3°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (42.3°F).

  • Average low temperature in December: 27.7°F

The month with the highest average low temperature is July (52.2°F).
The coldest month (with the lowest average low temperature) is December (27.7°F).

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Average pressure in December
Dunsmuir, CA

Average pressure in December - Dunsmuir, CA
  • Average pressure in December: 30.15"Hg

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

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Average wind speed in December
Dunsmuir, CA

Average wind speed in December - Dunsmuir, CA
  • Average wind speed in December: 4.9mph

The windiest month (with the highest average wind speed) is March (5.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average humidity in December
Dunsmuir, CA

Average humidity in December - Dunsmuir, CA
  • Average humidity in December: 79%

The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (44%).

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Average rainfall in December
Dunsmuir, CA

Average rainfall in December - Dunsmuir, CA
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is January (2.01").
The driest months (with the least rainfall) are July and August (0.24").

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Average rainfall days in December
Dunsmuir, CA

Average rainfall days in December - Dunsmuir, CA
  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is March (15.2 days).
The month with the least rainy days is August (2.5 days).

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Average snowfall in December
Dunsmuir, CA

Average snowfall in December - Dunsmuir, CA
  • Average snowfall in December: 2.13"

The month with the highest snowfall is January (4.45").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Dunsmuir, CA

Average snowfall days in December - Dunsmuir, CA
  • Average snowfall days in December: 5.4 days

The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in December /
Average sunshine in December
Dunsmuir, CA

Average daylight in December / Average sunshine in December - Dunsmuir, CA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

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Average sunshine days in December
Dunsmuir, CA

Average sunshine days in December - Dunsmuir, CA
  • Average sunshine days in December: 15 days

The month with the most sunshine days is August (24.7 days).
The month with the least sunshine days is March (11.4 days).

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Average UV index in December
Dunsmuir, CA

Average UV index in December - Dunsmuir, CA
  • Average UV index in December: 2

The months with the highest UV index are June and 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
Dunsmuir, CA

Average cloud cover in December - Dunsmuir, CA
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in December
Dunsmuir, CA

Average visibility in December - Dunsmuir, CA
  • Average visibility in December: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

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Dunsmuir, California, USA

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