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
In Round Mountain, the lowest average temperatures are observed in December, with a high of 43.3°F and a low of 27.9°F.Humidity
In December, the average relative humidity in Round Mountain is 76%.Rainfall
In December, in Round Mountain, the rain falls for 12.5 days. Throughout December, 4.21" of precipitation is accumulated. In Round Mountain, California, during the entire year, the rain falls for 105 days and collects up to 24.69" of precipitation.Snowfall
January through May, October through December are months with snowfall. In Round Mountain, during December, snow falls for 7.5 days and regularly aggregates up to 8.11" of snow. In Round Mountain, during the entire year, snow falls for 36.7 days and aggregates up to 43.62" of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December in Round Mountain, sunrise is at 7:12 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:49 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 5.7h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
FAQ
What are the coldest months in Round Mountain?
How cold does it get in Round Mountain in December?
What is the average humidity in December in Round Mountain?
How many days does it rain in December in Round Mountain?
How many days does it snow in December in Round Mountain?
What is the month with the shortest days in Round Mountain?
What is the average length of the day in December in Round Mountain?
When is the sunrise / sunset in December in Round Mountain?
What is the month with the least sunshine in Round Mountain?
How long on average sun shines in December in Round Mountain?
When is the lowest UV index in Round Mountain?
What is the UV index intensity in December in Round Mountain?
Average temperature in December
Round Mountain, CA
- Average high temperature in December: 43.3°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is December (43.3°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (53.1°F).
The coldest month (with the lowest average low temperature) is December (27.9°F).
Average pressure in December
Round Mountain, CA
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in December
Round Mountain, CA
- Average wind speed in December: 5.1mph
The windiest month (with the highest average wind speed) is March (5.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Round Mountain, CA
- Average humidity in December: 76%
The months with the highest relative humidity are January and March (79%).
The months with the lowest relative humidity are July and August (40%).
Average rainfall in December
Round Mountain, CA
- Average rainfall in December: 4.21"
The wettest month (with the highest rainfall) is March (4.45").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Round Mountain, CA
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is April (14.5 days).
The month with the least rainy days is August (2.3 days).
Average snowfall in December
Round Mountain, CA
- Average snowfall in December: 8.11"
The month with the highest snowfall is March (10.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Round Mountain, CA
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is March (8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Round Mountain, CA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Round Mountain, CA
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is August (26 days).
The month with the least sunshine days is March (11.3 days).
Average UV index in December
Round Mountain, CA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Round Mountain, CA
- Average cloud cover in December: 38
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in December
Round Mountain, CA
- Average visibility in December: 5mi
The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).
Round Mountain, California, USA
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