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 snowfall in December
- Average snowfall 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
With average high and low temperatures of 53.4°F (11.9°C) and 38.3°F (3.5°C) respectively, December is Green Valley Lake's coldest month.Humidity
February and December, with an average relative humidity of 52%, are the most humid months.Rainfall
In Green Valley Lake, during December, the rain falls for 5.5 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, in Green Valley Lake, there are 42.2 rainfall days, and 5.55" (141mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Green Valley Lake, during December, snow falls for 2.5 days and regularly aggregates up to 2.09" (53mm) of snow. In Green Valley Lake, during the entire year, snow falls for 15.6 days and aggregates up to 18.35" (466mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:36 am and sunset at 4:38 pm. On the last day of December, sunrise is at 6:54 am and sunset at 4:49 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 6.9h of sunshine.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 radiation for the average person.Note: In December, the maximum UV index of 3 suggests these recommendations:
Undertake protective steps - Preventing sun damage is advised. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
What is the temperature in December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Green Valley Lake have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine in Green Valley Lake?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Green Valley Lake, CA
- Average high temperature in December: 53.4°F
The warmest months (with the highest average high temperature) are July and August (88.3°F).
The month with the lowest average high temperature is December (53.4°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is August (66.4°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).
Average pressure in December
Green Valley Lake, CA
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in December
Green Valley Lake, CA
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is September (5.3mph).
Average humidity in December
Green Valley Lake, CA
- Average humidity in December: 52%
The months with the highest relative humidity are February and December (52%).
The month with the lowest relative humidity is August (32%).
Average rainfall in December
Green Valley Lake, CA
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is February (1.1").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Green Valley Lake, CA
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is March (5.7 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in December
Green Valley Lake, CA
- Average snowfall in December: 2.09"
The month with the highest snowfall is April (4.09").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Green Valley Lake, CA
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Green Valley Lake, 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: 6h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in December
Green Valley Lake, CA
- Average sunshine days in December: 23.6 days
The month with the most sunshine days is June (27.9 days).
The month with the least sunshine days is February (21.8 days).
Average UV index in December
Green Valley Lake, CA
- Average UV index in December: 3
The month with the highest UV index is 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
Green Valley Lake, CA
- Average cloud cover in December: 22
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Green Valley Lake, 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).
Green Valley Lake, California, USA
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