December weather forecastRough and Ready, CA
December
Weather in December
December, the first month of the winter in Rough and Ready, is also a fresh month, with an average temperature varying between 51.3°F (10.7°C) and 37.2°F (2.9°C).Temperature
December is the month when Rough and Ready, California, sees the lowest average temperatures, with a high of 51.3°F (10.7°C) and a low of 37.2°F (2.9°C).Humidity
In December, the average relative humidity is 68%.Rainfall
In Rough and Ready, California, in December, it is raining for 10.7 days, with typically 5.35" (136mm) of accumulated precipitation. Throughout the year, there are 82 rainfall days, and 33.11" (841mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Rough and Ready, California, in December, snow falls for 0.5 days, with typically accumulated 0.71" (18mm) of snow. In Rough and Ready, California, during the entire year, snow falls for 6.8 days and aggregates up to 14.41" (366mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:05 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:51 pm PST.
Sunshine
The average sunshine in December is 5.8h.UV index
The average daily maximum UV index in December in Rough and Ready is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rough and Ready, CA
- Average high temperature in December: 51.3°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (51.3°F).
- Average low temperature in December: 37.2°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure in December
Rough and Ready, CA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Rough and Ready, CA
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is February (6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Rough and Ready, CA
- Average humidity in December: 68%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (37%).
Average rainfall in December
Rough and Ready, CA
- Average rainfall in December: 5.35"
The wettest month (with the highest rainfall) is March (6.57").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Rough and Ready, CA
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is July (1.1 days).
Average snowfall in December
Rough and Ready, CA
- Average snowfall in December: 0.71"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Rough and Ready, CA
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is March (2.4 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
Rough and Ready, CA
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in December
Rough and Ready, CA
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (14.8 days).
Average UV index in December
Rough and Ready, CA
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in December
Rough and Ready, CA
- Average cloud cover in December: 35
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Rough and Ready, 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).





