December weather forecastMillville, CA
December
Weather in December
The first month of the winter, December, is still a cool month in Millville, California, with an average temperature ranging between max 51.8°F (11°C) and min 37.8°F (3.2°C).Temperature
December is the month when Millville sees the lowest average temperatures, with a high of 51.8°F (11°C) and a low of 37.8°F (3.2°C).Humidity
In Millville, the average relative humidity in December is 70%.Rainfall
In Millville, in December, during 12.1 rainfall days, 3.7" (94mm) of precipitation is typically accumulated. In Millville, California, during the entire year, the rain falls for 88.1 days and collects up to 23.62" (600mm) of precipitation.Snowfall
Months with snowfall in Millville are January through March, November and December. In Millville, in December, during 0.3 snowfall days, 0.16" (4mm) of snow is typically accumulated. Throughout the year, in Millville, there are 1.2 snowfall days, and 0.55" (14mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:13 am and sunset at 4:42 pm. On the last day of December, in Millville, sunrise is at 7:31 am and sunset at 4:51 pm PST.
Sunshine
The month with the least sunshine in Millville is December, with an average of 5.6h 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 of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 3 in December translates into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Consider carefully! The reflective quality of snow can almost 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
Millville, CA
- Average high temperature in December: 51.8°F
The warmest month (with the highest average high temperature) is July (95.2°F).
The month with the lowest average high temperature is December (51.8°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is December (37.8°F).
Average pressure in December
Millville, CA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.92"Hg).
Average wind speed in December
Millville, CA
- Average wind speed in December: 4.6mph
The windiest month (with the highest average wind speed) is March (5.4mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Millville, CA
- Average humidity in December: 70%
The month with the highest relative humidity is March (73%).
The month with the lowest relative humidity is August (32%).
Average rainfall in December
Millville, CA
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is March (4.65").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in December
Millville, CA
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is August (1.4 days).
Average snowfall in December
Millville, CA
- Average snowfall in December: 0.16"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Millville, CA
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Millville, CA
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 36min
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 36min).
Average sunshine days in December
Millville, CA
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is March (14.6 days).
Average UV index in December
Millville, CA
- Average UV index in December: 3
The months with the highest UV index are June and 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
Millville, CA
- Average cloud cover in December: 38
The month with the most cloud cover is March (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in December
Millville, 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).
