Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December, with an average high of 58.1°F (14.5°C) and a low of 42.8°F (6°C), signifies the coldest month of the year.Humidity
December is the most humid month, with an average relative humidity of 47%.Rainfall
In December, the rain falls for 5.4 days. Throughout December, 0.91" (23mm) of precipitation is accumulated. Throughout the year, in Shadow Ridge Creek, there are 54 rainfall days, and 6.57" (167mm) 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 December, sunrise is at 6:32 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 4:47 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 7h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 during December translates into the following directions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Shadow Ridge Creek, CA
- Average high temperature in December: 58.1°F
The warmest months (with the highest average high temperature) are July and August (93.7°F).
The month with the lowest average high temperature is December (58.1°F).
- Average low temperature in December: 42.8°F
The month with the highest average low temperature is August (72.9°F).
The coldest month (with the lowest average low temperature) is December (42.8°F).
Average pressure in December
Shadow Ridge Creek, 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 (29.81"Hg).
Average wind speed in December
Shadow Ridge Creek, CA
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is May (8.8mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).
Average humidity in December
Shadow Ridge Creek, CA
- Average humidity in December: 47%
The month with the highest relative humidity is December (47%).
The months with the lowest relative humidity are June, July and August (29%).
Average rainfall in December
Shadow Ridge Creek, CA
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is July (1.14").
The driest months (with the least rainfall) are May and June (0.12").
Average rainfall days in December
Shadow Ridge Creek, CA
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is June (1.5 days).
Average daylight in December /
Average sunshine in December
Shadow Ridge Creek, CA
- Average daylight in December: 9h and 5min
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: 7h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in December
Shadow Ridge Creek, CA
- Average sunshine days in December: 24.5 days
The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.1 days).
Average UV index in December
Shadow Ridge Creek, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Shadow Ridge Creek, CA
- Average cloud cover in December: 19
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in December
Shadow Ridge Creek, 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).
Shadow Ridge Creek, California, USA
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