December weather forecastBoiling Point, CA
December
Weather in December
December, the first month of the winter in Boiling Point, is still a refreshing month, with an average temperature ranging between min 39.2°F (4°C) and max 55.6°F (13.1°C).Temperature
December, with average temperatures reaching a high of 55.6°F (13.1°C) and a low of 39.2°F (4°C), is the coldest month.Humidity
February, March and December, with an average relative humidity of 54%, are the most humid months in Boiling Point.Rainfall
The month with the most rainfall is December, when the rain falls for 6.3 days and typically aggregates up to 1.65" (42mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. December is the month with the most snowfall. Snow falls for 0.2 days and accumulates 3.23" (82mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:42 am and sunset at 4:42 pm. On the last day of December, sunrise is at 6:59 am and sunset at 4:53 pm PST.
Sunshine
In Boiling Point, the average sunshine in December is 6.8h.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 UV index of 3 in December translates into these instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective 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
Boiling Point, CA
- Average high temperature in December: 55.6°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in December: 39.2°F
The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is December (39.2°F).
Average pressure in December
Boiling Point, 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 (29.87"Hg).
Average wind speed in December
Boiling Point, CA
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is September (5.7mph).
Average humidity in December
Boiling Point, CA
- Average humidity in December: 54%
The months with the highest relative humidity are February, March and December (54%).
The month with the lowest relative humidity is August (38%).
Average rainfall in December
Boiling Point, CA
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Boiling Point, CA
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in December
Boiling Point, CA
- Average snowfall in December: 3.23"
The month with the highest snowfall is December (3.23").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Boiling Point, CA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.8 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
Boiling Point, 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: 6h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).
Average sunshine days in December
Boiling Point, CA
- Average sunshine days in December: 23.6 days
The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is February (21.3 days).
Average UV index in December
Boiling Point, CA
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Boiling Point, CA
- Average cloud cover in December: 24
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Boiling Point, 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).





