December weather forecastDunsmuir, CA
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in December /
Average sunshine in December
Dunsmuir, CA
- Average daylight in December: 9h and 18min
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 12min
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).
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).
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).
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).
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).
