December weather forecastGarden Valley, CA
December
Weather in December
The first month of the winter, December, is also a fresh month in Garden Valley, California, with an average temperature ranging between max 50.7°F (10.4°C) and min 36°F (2.2°C).Temperature
December, having an average high-temperature of 50.7°F (10.4°C) and an average low-temperature of 36°F (2.2°C), is the coldest month.Humidity
In December, the average relative humidity is 68%.Rainfall
In Garden Valley, in December, it is raining for 11 days, with typically 4.76" (121mm) of accumulated precipitation. In Garden Valley, during the entire year, the rain falls for 86.4 days and collects up to 29.69" (754mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Garden Valley, during December, snow falls for 0.7 days and regularly aggregates up to 0.91" (23mm) of snow. Throughout the year, there are 6.9 snowfall days, and 14.09" (358mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:51 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 5.9h of sunshine.UV index
In December, the average daily maximum UV index in Garden Valley is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 3 in December translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Garden Valley, CA
- Average high temperature in December: 50.7°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is December (50.7°F).
- Average low temperature in December: 36°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is December (36°F).
Average pressure in December
Garden Valley, CA
- Average pressure in December: 30.14"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
Garden Valley, CA
- Average wind speed in December: 5.1mph
The windiest month (with the highest average wind speed) is February (6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Garden Valley, CA
- Average humidity in December: 68%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is July (39%).
Average rainfall in December
Garden Valley, CA
- Average rainfall in December: 4.76"
The wettest month (with the highest rainfall) is March (5.98").
The driest month (with the least rainfall) is July (0").
Average rainfall days in December
Garden Valley, CA
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is July (0.9 days).
Average snowfall in December
Garden Valley, CA
- Average snowfall in December: 0.91"
The month with the highest snowfall is February (5.16").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Garden Valley, CA
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Garden Valley, 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 54min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in December
Garden Valley, CA
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (13.8 days).
Average UV index in December
Garden Valley, 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 November (UV index 2).
Average cloud cover in December
Garden Valley, CA
- Average cloud cover in December: 33
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Garden Valley, 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).
