December weather forecastManton, CA
December
Weather in December
The first month of the winter, December, is still a cool month in Manton, California, with an average temperature fluctuating between 52.3°F (11.3°C) and 38.3°F (3.5°C).Temperature
December stands out as Manton's coldest month, with an average high-temperature of 52.3°F (11.3°C) and a low-temperature of 38.3°F (3.5°C).Humidity
In December, the average relative humidity in Manton is 69%.Rainfall
In December, the rain falls for 12.2 days. Throughout December, 3.58" (91mm) of precipitation is accumulated. Throughout the year, there are 88.3 rainfall days, and 21.5" (546mm) of precipitation is accumulated.Snowfall
Months with snowfall in Manton are February, November and December. December is the last month it regularly snows. During 0.2 snowfall days, in December, Manton aggregates 0.12" (3mm) of snow. In Manton, California, during the entire year, snow falls for 0.6 days and aggregates up to 0.47" (12mm) 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, sunrise is at 7:12 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:51 pm PST.
Sunshine
With an average of 5.7h 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 reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 during December leads to these advisories:
Undertake precautions - Guarding against sun damage is counselled. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Manton, CA
- Average high temperature in December: 52.3°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 (52.3°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).
Average pressure in December
Manton, 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 and August (29.91"Hg).
Average wind speed in December
Manton, CA
- Average wind speed in December: 4.7mph
The windiest month (with the highest average wind speed) is March (5.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Manton, CA
- Average humidity in December: 69%
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is August (31%).
Average rainfall in December
Manton, CA
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is March (4.02").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in December
Manton, CA
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is August (1.4 days).
Average snowfall in December
Manton, CA
- Average snowfall in December: 0.12"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are January, March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Manton, CA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Manton, 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 42min
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
Manton, CA
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is March (14.6 days).
Average UV index in December
Manton, 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
Manton, CA
- Average cloud cover in December: 37
The month with the most cloud cover is March (Cloud cover 39).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in December
Manton, 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).
