December weather forecastNorth Star Ranch, CA
December
Weather in December
The first month of the winter, December, is also a fresh month in North Star Ranch, California, with an average temperature fluctuating between 38.5°F (3.6°C) and 54.1°F (12.3°C).Temperature
North Star Ranch's coldest month, December, generally records average temperatures ranging from a high of 54.1°F (12.3°C) to a low of 38.5°F (3.6°C).Humidity
December is the most humid month, with an average relative humidity of 52%.Rainfall
The month with the most rainfall in North Star Ranch is December, when the rain falls for 6.2 days and typically aggregates up to 1.18" (30mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In North Star Ranch, in December, snow falls for 0.5 days, with typically accumulated 1.38" (35mm) of snow. Throughout the year, there are 3.1 snowfall days, and 5.28" (134mm) of snow 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 the month, sunrise is at 6:38 am and sunset at 4:39 pm. On the last day of December, sunrise is at 6:55 am and sunset at 4:49 pm PST.
Sunshine
With an average of 7h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To cut down UV radiation exposure by about half, sport a wide-brim hat. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
North Star Ranch, CA
- Average high temperature in December: 54.1°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is December (54.1°F).
- Average low temperature in December: 38.5°F
The month with the highest average low temperature is August (67.5°F).
The coldest month (with the lowest average low temperature) is December (38.5°F).
Average pressure in December
North Star Ranch, CA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in December
North Star Ranch, CA
- Average wind speed in December: 6.3mph
The windiest months (with the highest average wind speed) are April and May (9.1mph).
The calmest month (with the lowest average wind speed) is January (6.2mph).
Average humidity in December
North Star Ranch, CA
- Average humidity in December: 52%
The month with the highest relative humidity is December (52%).
The month with the lowest relative humidity is August (30%).
Average rainfall in December
North Star Ranch, CA
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is December (1.18").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
North Star Ranch, CA
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is March (6.7 days).
The month with the least rainy days is June (0.8 days).
Average snowfall in December
North Star Ranch, CA
- Average snowfall in December: 1.38"
The month with the highest snowfall is November (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
North Star Ranch, CA
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.4 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
North Star Ranch, CA
- Average daylight in December: 9h and 54min
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 months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in December
North Star Ranch, CA
- Average sunshine days in December: 23.3 days
The month with the most sunshine days is June (28.8 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in December
North Star Ranch, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
North Star Ranch, CA
- Average cloud cover in December: 21
The month with the most cloud cover is December (Cloud cover 21).
The months with the least cloud cover are June, August and September (Cloud cover 6).
Average visibility in December
North Star Ranch, 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).





