December weather forecastEl Cerrito, CA
December
Weather in December
December, the first month of the winter in El Cerrito, is also a moderate month, with an average temperature ranging between min 45°F (7.2°C) and max 55.6°F (13.1°C).Temperature
El Cerrito, California, witnesses the coldest weather in December, with temperatures averaging a high of 55.6°F (13.1°C) and a low of 45°F (7.2°C).Humidity
In El Cerrito, the average relative humidity in December is 72%.Rainfall
In El Cerrito, California, in December, during 9.2 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, in El Cerrito, there are 64.5 rainfall days, and 5.98" (152mm) of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:06 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:00 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 5.7h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in El Cerrito. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
El Cerrito, CA
- Average high temperature in December: 55.6°F
The warmest month (with the highest average high temperature) is September (75.7°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in December: 45°F
The month with the highest average low temperature is September (56.5°F).
The coldest month (with the lowest average low temperature) is January (44.8°F).
Average pressure in December
El Cerrito, 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 Cerrito, CA
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is May (7.5mph).
The calmest month (with the lowest average wind speed) is November (5.1mph).
Average humidity in December
El Cerrito, CA
- Average humidity in December: 72%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (65%).
Average rainfall in December
El Cerrito, CA
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is February (1.38").
The driest months (with the least rainfall) are June, July, August and September (0.08").
Average rainfall days in December
El Cerrito, CA
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is June (2 days).
Average daylight in December /
Average sunshine in December
El Cerrito, 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 48min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
El Cerrito, CA
- Average sunshine days in December: 20.7 days
The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is March (18.4 days).
Average UV index in December
El Cerrito, 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 Cerrito, 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 14).
Average visibility in December
El Cerrito, 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).
