December weather forecastMariposa, CA
December
Weather in December
December, the first month of the winter in Mariposa, is still a chilly month, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 48.9°F (9.4°C).Temperature
During the coldest month, December, temperatures average a high of 48.9°F (9.4°C) and a low of 32.9°F (0.5°C).Humidity
The average relative humidity in December is 64%.Rainfall
In Mariposa, in December, it is raining for 7.9 days, with typically 2.76" (70mm) of accumulated precipitation. Throughout the year, in Mariposa, there are 73.5 rainfall days, and 19.69" (500mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Mariposa, in December, snow falls for 1.3 days, with typically accumulated 1.06" (27mm) of snow. In Mariposa, California, during the entire year, snow falls for 9.4 days and aggregates up to 14.57" (370mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:56 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:14 am and sunset at 4:52 pm PST.
Sunshine
The average sunshine in December is 6.4h.UV index
The months with the lowest UV index are February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Stay sun-safe with clothing that is both closely woven and worn loosely. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mariposa, CA
- Average high temperature in December: 48.9°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is December (48.9°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (58.8°F).
The coldest months (with the lowest average low temperature) are February and December (32.9°F).
Average pressure in December
Mariposa, CA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Mariposa, CA
- Average wind speed in December: 4.3mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest months (with the lowest average wind speed) are November and December (4.3mph).
Average humidity in December
Mariposa, CA
- Average humidity in December: 64%
The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are July and August (32%).
Average rainfall in December
Mariposa, CA
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is February (3.54").
The driest month (with the least rainfall) is August (0.12").
Average rainfall days in December
Mariposa, CA
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is August (2.1 days).
Average snowfall in December
Mariposa, CA
- Average snowfall in December: 1.06"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Mariposa, CA
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (3.4 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
Mariposa, CA
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 24min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in December
Mariposa, CA
- Average sunshine days in December: 21.9 days
The months with the most sunshine days are August and October (26.5 days).
The month with the least sunshine days is March (18.3 days).
Average UV index in December
Mariposa, CA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in December
Mariposa, CA
- Average cloud cover in December: 27
The month with the most cloud cover is March (Cloud cover 31).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in December
Mariposa, 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).
