December weather forecastColfax, CA
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 9h and 30min
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 48min
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: 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: 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: 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: 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).
