December weather forecastSanta Clarita, CA
December
Weather in December
December, the first month of the winter in Santa Clarita, is still a refreshing month, with temperature in the range of an average high of 60.1°F (15.6°C) and an average low of 43.7°F (6.5°C).Temperature
Temperature records mark December as the coldest month, with highs averaging 60.1°F (15.6°C) and lows at 43.7°F (6.5°C).Humidity
In Santa Clarita, the average relative humidity in December is 52%.Rainfall
In Santa Clarita, in December, it is raining for 4.8 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, there are 37.3 rainfall days, and 6.1" (155mm) of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:42 am and sunset at 4:44 pm. On the last day of December, in Santa Clarita, sunrise is at 7:00 am and sunset at 4:54 pm PST.
Sunshine
In December, the average sunshine is 6.9h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 3 in December translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Santa Clarita, CA
- Average high temperature in December: 60.1°F
The warmest month (with the highest average high temperature) is August (88.5°F).
The month with the lowest average high temperature is December (60.1°F).
- Average low temperature in December: 43.7°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 (43.7°F).
Average pressure in December
Santa Clarita, 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
Santa Clarita, CA
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January and December (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Santa Clarita, CA
- Average humidity in December: 52%
The month with the highest relative humidity is March (56%).
The month with the lowest relative humidity is October (44%).
Average rainfall in December
Santa Clarita, CA
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is February (1.26").
The driest month (with the least rainfall) is June (0").
Average rainfall days in December
Santa Clarita, CA
- Average rainfall days in December: 4.8 days
The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.5 days).
Average daylight in December /
Average sunshine in December
Santa Clarita, 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 54min
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
Santa Clarita, CA
- Average sunshine days in December: 25.5 days
The month with the most sunshine days is August (29.5 days).
The month with the least sunshine days is February (22.1 days).
Average UV index in December
Santa Clarita, CA
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Santa Clarita, CA
- Average cloud cover in December: 21
The months with the most cloud cover are February and March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in December
Santa Clarita, 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).
