December weather forecastDobbins, CA
December
Weather in December
The first month of the winter, December, is still a cool month in Dobbins, California, with temperature in the range of an average low of 39.7°F (4.3°C) and an average high of 53.6°F (12°C).Temperature
December, with its average high-temperature of 53.6°F (12°C) and an average low-temperature of 39.7°F (4.3°C), holds the record as the coldest month.Humidity
The average relative humidity in December is 68%.Rainfall
In December, the rain falls for 9.8 days. Throughout December, 2.72" (69mm) of precipitation is accumulated. Throughout the year, there are 71.4 rainfall days, and 15.31" (389mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:06 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:51 pm PST.
Sunshine
With an average of 5.8h of sunshine, December has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 3 in December translates into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dobbins, CA
- Average high temperature in December: 53.6°F
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is December (53.6°F).
- Average low temperature in December: 39.7°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (39.7°F).
Average pressure in December
Dobbins, CA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Dobbins, CA
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is March (6mph).
The calmest months (with the lowest average wind speed) are August and November (5mph).
Average humidity in December
Dobbins, CA
- Average humidity in December: 68%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (35%).
Average rainfall in December
Dobbins, CA
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is March (2.87").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in December
Dobbins, CA
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (1.6 days).
Average snowfall in December
Dobbins, CA
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Dobbins, CA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Dobbins, CA
- Average daylight in December: 9h and 24min
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 24min).
- 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 December (Average sunshine: 5h and 48min).
Average sunshine days in December
Dobbins, CA
- Average sunshine days in December: 20.7 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (17.4 days).
Average UV index in December
Dobbins, CA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Dobbins, CA
- Average cloud cover in December: 35
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Dobbins, 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).





