December weather forecast
Colfax, CA

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Weather in December

December, the first month of the winter in Colfax, is still a cool month, with an average temperature fluctuating between 50.7°F (10.4°C) and 36.1°F (2.3°C).

Temperature

December brings the lowest temperatures, with an average high of 50.7°F (10.4°C) and an average low of 36.1°F (2.3°C).

Humidity

In December, the average relative humidity in Colfax, California, is 68%.

Rainfall

In Colfax, California, during December, the rain falls for 9.9 days and regularly aggregates up to 4.45" (113mm) of precipitation. In Colfax, during the entire year, the rain falls for 78.8 days and collects up to 30.16" (766mm) of precipitation.

Snowfall

Months with snowfall in Colfax are January through May, November and December. In December, in Colfax, it is snowing for 0.8 days. Throughout December, 1.14" (29mm) of snow is accumulated. In Colfax, California, during the entire year, snow falls for 8.9 days and aggregates up to 19.06" (484mm) of snow.

Daylight

The month with the shortest days in Colfax is December, with an average of 9h and 30min of daylight.
On the first day of December in Colfax, California, sunrise is at 7:04 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:51 pm PST.

Sunshine

In Colfax, the average sunshine in December is 5.8h.

UV index

The months with the lowest UV index are February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 2 in December transforms into this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Direct Sun exposure should be minimized especially during midday when radiation is most intense. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

What part of the year is the coldest in Colfax?

With its average high temperature of 50.7°F (10.4°C) and a low of 36.1°F (2.3°C), December is regarded as the coldest month in Colfax, California.

What is the temperature in December in Colfax?

In December, in Colfax, the average high-temperature is 50.7°F (10.4°C), and the average low-temperature is 36.1°F (2.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in September is calculated to be 82.4°F (28°C).

What is the average humidity in December in Colfax?

In Colfax, California, the average relative humidity in December is 68%.

How much does it rain in Colfax in December?

In Colfax, California, in December, it is raining for 9.9 days, with typically 4.45" (113mm) of accumulated precipitation.

How much does it snow in Colfax in December?

In December, in Colfax, it is snowing for 0.8 days. Throughout December, 1.14" (29mm) of snow is accumulated.

What is the month with the shortest days in Colfax?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Colfax.

How many hours of daylight does Colfax have in December?

In December, the average day length is 9h and 28min.

What time are sunrise and sunset in December in Colfax?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:51 pm PST.

How many hours of sunshine does Colfax have in December?

In December, the average sunshine duration in Colfax is 5.8h.

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

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

What is the UV index reading in December in Colfax?

In Colfax, California, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe 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
Colfax, CA

Average temperature in December - Colfax, CA
  • Average high temperature in December: 50.7°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is December (50.7°F).

  • Average low temperature in December: 36.1°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is December (36.1°F).

Average pressure in December
Colfax, CA

Average pressure in December - Colfax, CA
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Colfax, CA

Average wind speed in December - Colfax, CA
  • Average wind speed in December: 5.4mph

The windiest month (with the highest average wind speed) is February (6.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in December
Colfax, CA

Average humidity in December - Colfax, CA
  • Average humidity in December: 68%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is July (37%).

Average rainfall in December
Colfax, CA

Average rainfall in December - Colfax, CA
  • Average rainfall in December: 4.45"

The wettest month (with the highest rainfall) is March (5.79").
The driest month (with the least rainfall) is July (0.04").

Average rainfall days in December
Colfax, CA

Average rainfall days in December - Colfax, CA
  • Average rainfall days in December: 9.9 days

The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is July (1.3 days).

Average snowfall in December
Colfax, CA

Average snowfall in December - Colfax, CA
  • Average snowfall in December: 1.14"

The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Colfax, CA

Average snowfall days in December - Colfax, CA
  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is March (2.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Colfax, CA
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

Average sunshine days in December
Colfax, CA

Average sunshine days in December - Colfax, CA
  • Average sunshine days in December: 20.7 days

The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is March (15.7 days).

Average UV index in December
Colfax, CA

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 2).

Average cloud cover in December
Colfax, CA

Average cloud cover in December - Colfax, CA
  • Average cloud cover in December: 35

The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 5).

Average visibility in December
Colfax, CA

Average visibility in December - Colfax, CA
  • Average visibility in December: 6mi

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

Colfax, California, USA

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