December weather forecastCitrus Heights, CA
December
Weather in December
December, the first month of the winter in Citrus Heights, is also a fresh month, with an average temperature varying between 54.1°F (12.3°C) and 40.5°F (4.7°C).Temperature
December is the month when Citrus Heights experiences its coldest temperatures, averaging a high of 54.1°F (12.3°C) and a low of 40.5°F (4.7°C).Humidity
In Citrus Heights, the average relative humidity in December is 70%.Rainfall
In Citrus Heights, in December, during 10.5 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. In Citrus Heights, during the entire year, the rain falls for 77.9 days and collects up to 18.78" (477mm) of precipitation.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:04 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:23 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 in Citrus Heights, California.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 estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 during December leads to these advisories:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Citrus Heights, CA
- Average high temperature in December: 54.1°F
The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is December (54.1°F).
- Average low temperature in December: 40.5°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).
Average pressure in December
Citrus Heights, 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
Citrus Heights, CA
- Average wind speed in December: 4.9mph
The windiest month (with the highest average wind speed) is February (5.6mph).
The calmest month (with the lowest average wind speed) is September (4mph).
Average humidity in December
Citrus Heights, 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
Citrus Heights, CA
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is March (3.54").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Citrus Heights, CA
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is March (13.8 days).
The months with the least rainy days are July and August (1.1 days).
Average daylight in December /
Average sunshine in December
Citrus Heights, 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
Citrus Heights, CA
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is March (16.2 days).
Average UV index in December
Citrus Heights, 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
Citrus Heights, CA
- Average cloud cover in December: 35
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
Citrus Heights, 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).





