December weather forecastValencia, CA
December
Weather in December
The first month of the winter, December, is still a refreshing month in Valencia, California, with an average temperature ranging between max 59.5°F (15.3°C) and min 42.3°F (5.7°C).Temperature
Valencia's coldest month, December, generally records average temperatures ranging from a high of 59.5°F (15.3°C) to a low of 42.3°F (5.7°C).Humidity
The average relative humidity in December in Valencia is 52%.Rainfall
December is the month with the most rainfall. Rain falls for 5.3 days and accumulates 1.42" (36mm) of precipitation.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:43 am and sunset at 4:43 pm. On the last day of December, in Valencia, sunrise is at 7:00 am and sunset at 4:54 pm PST.
Sunshine
The average sunshine in December is 6.8h.UV index
February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Valencia. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Take precautions - Protection against sunburn is recommended. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Valencia, CA
- Average high temperature in December: 59.5°F
The warmest month (with the highest average high temperature) is August (88.2°F).
The month with the lowest average high temperature is December (59.5°F).
- Average low temperature in December: 42.3°F
The month with the highest average low temperature is August (63.7°F).
The coldest month (with the lowest average low temperature) is December (42.3°F).
Average pressure in December
Valencia, CA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Valencia, CA
- Average wind speed in December: 7.3mph
The windiest months (with the highest average wind speed) are January and December (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Valencia, CA
- Average humidity in December: 52%
The month with the highest relative humidity is March (56%).
The months with the lowest relative humidity are August and October (43%).
Average rainfall in December
Valencia, CA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is December (1.42").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in December
Valencia, CA
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is March (6.9 days).
The month with the least rainy days is June (0.7 days).
Average daylight in December /
Average sunshine in December
Valencia, CA
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 48min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in December
Valencia, CA
- Average sunshine days in December: 24.9 days
The month with the most sunshine days is August (28.7 days).
The month with the least sunshine days is February (21.5 days).
Average UV index in December
Valencia, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in December
Valencia, CA
- Average cloud cover in December: 22
The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in December
Valencia, 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).
