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
December, characterized by an average high temperature of 52.3°F (11.3°C) and a low temperature of 38.3°F (3.5°C), is generally the coldest month.Humidity
The average relative humidity in December in Cottonwood is 69%.Rainfall
In Cottonwood, during December, the rain falls for 12.2 days and regularly aggregates up to 3.58" (91mm) of precipitation. Throughout the year, there are 88.3 rainfall days, and 21.5" (546mm) of precipitation is accumulated.Snowfall
February, November and December are months with snowfall. December is the last month it regularly snows. During 0.2 snowfall days, in December, Cottonwood aggregates 0.12" (3mm) of snow. Throughout the year, there are 0.6 snowfall days, and 0.47" (12mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:53 pm PST.
Sunshine
With an average of 5.7h of sunshine, December has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In December, a regular UV index of 3 translates into these guidelines:
Take precautions - Protection against sun damage is advised. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What month is the coldest in Cottonwood?
What are the temperatures in Cottonwood in December?
What is the average humidity in December in Cottonwood?
How many days does it rain in December in Cottonwood?
What is the last month it snows in Cottonwood?
What is the month with the shortest days in Cottonwood?
How many hours of daylight does Cottonwood have in December?
When are sunrise and sunset in December in Cottonwood?
What is the month with the least sunshine in Cottonwood?
How long on average sun shines in December in Cottonwood?
When is the lowest UV index in Cottonwood?
What is the UV index intensity in December in Cottonwood?
Average temperature in December
Cottonwood, 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
Cottonwood, 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
Cottonwood, 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
Cottonwood, 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
Cottonwood, 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
Cottonwood, 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
Cottonwood, 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
Cottonwood, 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
Cottonwood, 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 18min).
- Average sunshine in December: 5h and 4min
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
Cottonwood, 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
Cottonwood, 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
Cottonwood, 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
Cottonwood, 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).
Cottonwood, California, USA
Weather forecast for your location
2. Allow the app to use your location
