December weather forecastPrather, CA
December
Weather in December
The first month of the winter, December, is still a cool month in Prather, California, with an average temperature varying between 35.8°F (2.1°C) and 52.2°F (11.2°C).Temperature
December, with an average high of 52.2°F (11.2°C) and a low of 35.8°F (2.1°C), signifies the coldest month of the year.Humidity
In December, the average relative humidity is 61%.Rainfall
In Prather, California, in December, it is raining for 7.8 days, with typically 2.76" (70mm) of accumulated precipitation. In Prather, California, during the entire year, the rain falls for 66.1 days and collects up to 19.76" (502mm) of precipitation.Snowfall
Months with snowfall in Prather are January through April, November and December. In Prather, in December, during 0.7 snowfall days, 0.71" (18mm) of snow is typically accumulated. In Prather, during the entire year, snow falls for 5.9 days and aggregates up to 9.29" (236mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:53 am and sunset at 4:41 pm. On the last day of December, in Prather, sunrise is at 7:11 am and sunset at 4:51 pm PST.
Sunshine
The months with the least sunshine are February and December, with an average of 6.5h of sunshine.UV index
The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, the UV index of 3 transforms into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Prather, CA
- Average high temperature in December: 52.2°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (52.2°F).
- Average low temperature in December: 35.8°F
The months with the highest average low temperature are July and August (62.4°F).
The coldest month (with the lowest average low temperature) is December (35.8°F).
Average pressure in December
Prather, CA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Prather, CA
- Average wind speed in December: 4mph
The windiest month (with the highest average wind speed) is March (5.1mph).
The calmest month (with the lowest average wind speed) is December (4mph).
Average humidity in December
Prather, CA
- Average humidity in December: 61%
The months with the highest relative humidity are February and March (64%).
The month with the lowest relative humidity is August (28%).
Average rainfall in December
Prather, CA
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is February (3.74").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in December
Prather, CA
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is March (10.9 days).
The month with the least rainy days is August (1.2 days).
Average snowfall in December
Prather, CA
- Average snowfall in December: 0.71"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Prather, CA
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (2.2 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
Prather, CA
- Average daylight in December: 9h and 42min
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 42min).
- Average sunshine in December: 6h and 30min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days in December
Prather, CA
- Average sunshine days in December: 22.2 days
The month with the most sunshine days is August (27.5 days).
The month with the least sunshine days is March (18.3 days).
Average UV index in December
Prather, CA
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in December
Prather, CA
- Average cloud cover in December: 25
The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in December
Prather, 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).





