December weather forecastSonora, CA
December
Weather in December
The first month of the winter, December, is still a cool month in Sonora, California, with temperature in the range of an average low of 37.2°F (2.9°C) and an average high of 52.9°F (11.6°C).Temperature
December brings the lowest temperatures, with an average high of 52.9°F (11.6°C) and an average low of 37.2°F (2.9°C).Humidity
The average relative humidity in December is 66%.Rainfall
In Sonora, in December, during 9.5 rainfall days, 3.98" (101mm) of precipitation is typically accumulated. Throughout the year, there are 76.7 rainfall days, and 23.9" (607mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 0.2 days. Throughout December, 0.43" (11mm) of snow is accumulated. In Sonora, during the entire year, snow falls for 2.1 days and aggregates up to 4.41" (112mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:59 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:52 pm PST.
Sunshine
With an average of 6h of sunshine, December has the least sunshine of the year.UV index
In Sonora, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 3 in December translates into this advice:
Ensure safety - Recommendations to avert sunburn are presented. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sonora, CA
- Average high temperature in December: 52.9°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is December (52.9°F).
- Average low temperature in December: 37.2°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure in December
Sonora, 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 (29.91"Hg).
Average wind speed in December
Sonora, CA
- Average wind speed in December: 4.7mph
The windiest months (with the highest average wind speed) are February, March and April (5.7mph).
The calmest months (with the lowest average wind speed) are November and December (4.7mph).
Average humidity in December
Sonora, CA
- Average humidity in December: 66%
The month with the highest relative humidity is March (70%).
The month with the lowest relative humidity is July (32%).
Average rainfall in December
Sonora, CA
- Average rainfall in December: 3.98"
The wettest month (with the highest rainfall) is March (4.76").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Sonora, CA
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is August (1.4 days).
Average snowfall in December
Sonora, CA
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Sonora, CA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Sonora, CA
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
Sonora, CA
- Average sunshine days in December: 20.5 days
The months with the most sunshine days are July and August (28.4 days).
The month with the least sunshine days is March (16.8 days).
Average UV index in December
Sonora, CA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in December
Sonora, CA
- Average cloud cover in December: 32
The month with the most cloud cover is March (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in December
Sonora, 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).
