December weather forecast and climate
Dunsmuir, CA

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

The coldest month is December, with an average high-temperature of 42.3°F (5.7°C) and an average low-temperature of 27.7°F (-2.4°C).

Humidity

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

Rainfall

In Dunsmuir, during 11.6 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 102.5 rainfall days, and 12.56" (319mm) of precipitation is accumulated.

Snowfall

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

Daylight

December has the shortest days of the year, with an average of 9.3h of daylight.

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. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 2 in December transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Dunsmuir?

The coldest month is December, with an average high-temperature of 42.3°F (5.7°C) and an average low-temperature of 27.7°F (-2.4°C).

What is the temperature in December in Dunsmuir?

In Dunsmuir, in December, the average high-temperature is 42.3°F (5.7°C), and the average low-temperature is 27.7°F (-2.4°C).

What is the average humidity in December in Dunsmuir?

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

How much does it rain in Dunsmuir in December?

In Dunsmuir, in December, it is raining for 11.6 days, with typically 1.85" (47mm) of accumulated precipitation.

How much does it snow in Dunsmuir in December?

In Dunsmuir, California, in December, during 5.4 snowfall days, 2.13" (54mm) of snow is typically accumulated.

What is the month with the shortest days in Dunsmuir?

With an average of 9.3h of daylight, December has the shortest days of the year.

How many hours of daylight does Dunsmuir have in December?

The average length of the day in December in Dunsmuir is 9.3h.

What is the month with the least sunshine in Dunsmuir?

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

How long on average sun shines in December in Dunsmuir?

In December, the average sunshine is 5.2h.

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

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

What is the UV index intensity in December in Dunsmuir?

In Dunsmuir, California, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV rays.

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"

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

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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").
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).
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: 9.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 5.2h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.2h).

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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

Months with the highest UV index are June and July (UV index 6).
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

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

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