December weather forecastSnow Creek, CA
December
Weather in December
The first month of the winter, December, is still a refreshing month in Snow Creek, California, with an average temperature fluctuating between 42.1°F (5.6°C) and 57.6°F (14.2°C).Temperature
December proves to be the coldest month, recording an average maximum temperature of 57.6°F (14.2°C) and a minimum temperature of 42.1°F (5.6°C).Humidity
With an average relative humidity of 48%, December is the most humid month in Snow Creek.Rainfall
In Snow Creek, in December, it is raining for 4.1 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 47.9 rainfall days, and 4.61" (117mm) of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:34 am and sunset at 4:37 pm. On the last day of December, sunrise is at 6:51 am and sunset at 4:48 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 7h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Snow Creek, CA
- Average high temperature in December: 57.6°F
The warmest months (with the highest average high temperature) are July and August (93.4°F).
The month with the lowest average high temperature is December (57.6°F).
- Average low temperature in December: 42.1°F
The month with the highest average low temperature is August (72.1°F).
The coldest month (with the lowest average low temperature) is December (42.1°F).
Average pressure in December
Snow Creek, CA
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in December
Snow Creek, CA
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is May (8.8mph).
The calmest month (with the lowest average wind speed) is January (6.2mph).
Average humidity in December
Snow Creek, CA
- Average humidity in December: 48%
The month with the highest relative humidity is December (48%).
The month with the lowest relative humidity is August (28%).
Average rainfall in December
Snow Creek, CA
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is July (0.91").
The driest months (with the least rainfall) are May and June (0.12").
Average rainfall days in December
Snow Creek, CA
- Average rainfall days in December: 4.1 days
The month with the highest number of rainy days is July (7.3 days).
The month with the least rainy days is June (1.6 days).
Average daylight in December /
Average sunshine in December
Snow Creek, 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: 7h and 0min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in December
Snow Creek, CA
- Average sunshine days in December: 25 days
The month with the most sunshine days is October (27.5 days).
The month with the least sunshine days is July (19.8 days).
Average UV index in December
Snow Creek, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Snow Creek, CA
- Average cloud cover in December: 20
The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in December
Snow Creek, 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).





