Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With its high average temperature of 39.2°F (4°C) and a low of 23.4°F (-4.8°C), December is regarded as the coldest month.Humidity
In Crescent Mills, the average relative humidity in December is 78%.Rainfall
The wettest months in Crescent Mills are February and December, with an average 4.06" (103mm) of rainfall.Snowfall
Months with snowfall in Crescent Mills are January through May, October through December. In Crescent Mills, California, in December, snow falls for 7.8 days, with typically accumulated 11.3" (287mm) of snow. Throughout the year, in Crescent Mills, California, there are 37.7 snowfall days, and 56.02" (1423mm) of snow is accumulated.Daylight
December has the shortest days of the year in Crescent Mills, with an average of 9h and 24min of daylight.On the first day of December in Crescent Mills, sunrise is at 7:07 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:48 pm PST.
Sunshine
In December, the average sunshine in Crescent Mills is 5.5h.UV index
The months with the lowest UV index in Crescent Mills are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In December, a daily UV index of 2 turns into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. Stay sun-safe with clothing that is both closely woven and worn loosely. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What is the coldest time of year in Crescent Mills?
How cold does it get in Crescent Mills in December?
What is the average humidity in December in Crescent Mills?
What is the rainiest month in Crescent Mills?
How much does it rain in Crescent Mills in December?
How many days does it snow in December in Crescent Mills?
What is the month with the shortest days in Crescent Mills?
What is the average length of the day in December in Crescent Mills?
What time are sunrise and sunset in December in Crescent Mills?
How long on average sun shines in December in Crescent Mills?
When is the lowest UV index in Crescent Mills?
What is the UV index reading in December in Crescent Mills?
Average temperature in December
Crescent Mills, CA
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (39.2°F).
- Average low temperature in December: 23.4°F
The month with the highest average low temperature is July (49.1°F).
The coldest month (with the lowest average low temperature) is December (23.4°F).
Average pressure in December
Crescent Mills, CA
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Crescent Mills, CA
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is March (6.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Crescent Mills, CA
- Average humidity in December: 78%
The months with the highest relative humidity are January and March (81%).
The month with the lowest relative humidity is July (41%).
Average rainfall in December
Crescent Mills, CA
- Average rainfall in December: 4.06"
The wettest months (with the highest rainfall) are February and December (4.06").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in December
Crescent Mills, CA
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in December
Crescent Mills, CA
- Average snowfall in December: 11.3"
The month with the highest snowfall is February (13.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Crescent Mills, CA
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is March (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Crescent Mills, CA
- Average daylight in December: 9h and 2min
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 24min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Crescent Mills, CA
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (12.3 days).
Average UV index in December
Crescent Mills, CA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Crescent Mills, CA
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in December
Crescent Mills, CA
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Crescent Mills, California, USA
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