December weather forecastOrangevale, CA
December
Weather in December
December, the first month of the winter in Orangevale, is still a cool month, with temperature in the range of an average low of 40.1°F (4.5°C) and an average high of 54°F (12.2°C).Temperature
December, recording an average high temperature of 54°F (12.2°C) and a low temperature of 40.1°F (4.5°C), is Orangevale's coldest month.Humidity
In December, the average relative humidity is 70%.Rainfall
In December, the rain falls for 8.8 days. Throughout December, 2.24" (57mm) of precipitation is accumulated. In Orangevale, during the entire year, the rain falls for 70.2 days and collects up to 13.43" (341mm) of precipitation.Snowfall
The only month with snowfall is December. The month with the most snowfall is December, when snow falls for 0.2 days and typically aggregates up to 0.04" (1mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:53 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 value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 3 in December translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Orangevale, CA
- Average high temperature in December: 54°F
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is December (54°F).
- Average low temperature in December: 40.1°F
The month with the highest average low temperature is August (59.9°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).
Average pressure in December
Orangevale, 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
Orangevale, CA
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is February (5.5mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in December
Orangevale, CA
- Average humidity in December: 70%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (41%).
Average rainfall in December
Orangevale, CA
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is March (2.48").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Orangevale, CA
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is March (12.9 days).
The month with the least rainy days is July (1.2 days).
Average snowfall in December
Orangevale, CA
- Average snowfall in December: 0.04"
The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Orangevale, CA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is December (0.2 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Orangevale, CA
- Average daylight in December: 9h and 30min
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 30min).
- 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
Orangevale, CA
- Average sunshine days in December: 21.3 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (17.3 days).
Average UV index in December
Orangevale, 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
Orangevale, CA
- Average cloud cover in December: 34
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Orangevale, 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).





