December weather forecastEl Sobrante, CA
December
Weather in December
December, the first month of the winter in El Sobrante, is still a mild month, with temperature in the range of an average high of 55.4°F (13°C) and an average low of 43.9°F (6.6°C).Temperature
December, marked by an average high-temperature of 55.4°F (13°C) and a low-temperature of 43.9°F (6.6°C), is the coldest month.Humidity
In December, the average relative humidity in El Sobrante is 71%.Rainfall
In December, in El Sobrante, the rain falls for 10.4 days. Throughout December, 2.13" (54mm) of precipitation is accumulated. Throughout the year, in El Sobrante, there are 72.2 rainfall days, and 12.83" (326mm) of precipitation is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in El Sobrante.On the first day of the month, sunrise is at 7:07 am and sunset at 4:50 pm. On the last day of December, in El Sobrante, sunrise is at 7:25 am and sunset at 5:00 pm PST.
Sunshine
December has the least sunshine of the year in El Sobrante, California, with an average of 5.7h of sunshine.UV index
The months with the lowest UV index in El Sobrante are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 3 in December leads to these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
El Sobrante, CA
- Average high temperature in December: 55.4°F
The warmest month (with the highest average high temperature) is September (77.5°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in December: 43.9°F
The month with the highest average low temperature is August (56.8°F).
The coldest months (with the lowest average low temperature) are January and December (43.9°F).
Average pressure in December
El Sobrante, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in December
El Sobrante, CA
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is May (7.5mph).
The calmest month (with the lowest average wind speed) is November (4.8mph).
Average humidity in December
El Sobrante, CA
- Average humidity in December: 71%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are September and October (63%).
Average rainfall in December
El Sobrante, CA
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is February (2.76").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
El Sobrante, CA
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (1.1 days).
Average daylight in December /
Average sunshine in December
El Sobrante, 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: 5h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
El Sobrante, CA
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (16.4 days).
Average UV index in December
El Sobrante, CA
- Average UV index in December: 3
The months with the highest UV index are April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
El Sobrante, CA
- Average cloud cover in December: 36
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in December
El Sobrante, 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).
