December weather forecastHigh Acres Haciendas, CA
December
Weather in December
December, the first month of the winter in High Acres Haciendas, is still a comfortable month, with an average temperature ranging between min 43.5°F (6.4°C) and max 61.7°F (16.5°C).Temperature
With average temperatures fluctuating between a high of 61.7°F (16.5°C) and a low of 43.5°F (6.4°C), December stands out as the coldest month.Humidity
In December, the average relative humidity in High Acres Haciendas, California, is 58%.Rainfall
The month with the most rainfall is December, when the rain falls for 6.5 days and typically aggregates up to 1.81" (46mm) of precipitation.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in High Acres Haciendas, California.On the first day of the month, sunrise is at 6:34 am and sunset at 4:39 pm. On the last day of December, in High Acres Haciendas, sunrise is at 6:52 am and sunset at 4:50 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 6.5h of sunshine.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
High Acres Haciendas, CA
- Average high temperature in December: 61.7°F
The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is December (61.7°F).
- Average low temperature in December: 43.5°F
The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).
Average pressure in December
High Acres Haciendas, CA
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
High Acres Haciendas, CA
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).
Average humidity in December
High Acres Haciendas, CA
- Average humidity in December: 58%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).
Average rainfall in December
High Acres Haciendas, CA
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is December (1.81").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
High Acres Haciendas, CA
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is June (1.4 days).
Average daylight in December /
Average sunshine in December
High Acres Haciendas, CA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in December
High Acres Haciendas, CA
- Average sunshine days in December: 23.4 days
The month with the most sunshine days is June (26.5 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in December
High Acres Haciendas, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
High Acres Haciendas, CA
- Average cloud cover in December: 26
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in December
High Acres Haciendas, 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).





