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 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 is the coldest month of the year, registering average temperatures as high as 57.2°F (14°C) and as low as 42.6°F (5.9°C).Humidity
January and December, with an average relative humidity of 66%, are the most humid months.Rainfall
In Raisin City, in December, it is raining for 8.2 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, in Raisin City, there are 59.3 rainfall days, and 10.31" (262mm) of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 6:53 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:54 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 6.4h of sunshine.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 during December leads to these advisories:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
What is the temperature in December?
What are the most humid months?
What is the average humidity in December in Raisin City?
How many days does it rain in December in Raisin City?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Raisin City, CA
- Average high temperature in December: 57.2°F
The warmest month (with the highest average high temperature) is July (101.8°F).
The month with the lowest average high temperature is December (57.2°F).
- Average low temperature in December: 42.6°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is December (42.6°F).
Average pressure in December
Raisin City, CA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Raisin City, CA
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is June (7.2mph).
The calmest months (with the lowest average wind speed) are January, November and December (4.8mph).
Average humidity in December
Raisin City, CA
- Average humidity in December: 66%
The months with the highest relative humidity are January and December (66%).
The month with the lowest relative humidity is July (29%).
Average rainfall in December
Raisin City, CA
- Average rainfall in December: 1.57"
The wettest months (with the highest rainfall) are January and March (1.73").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days in December
Raisin City, CA
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is August (1 days).
Average daylight in December /
Average sunshine in December
Raisin City, CA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 2min
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: 6h and 24min).
Average sunshine days in December
Raisin City, CA
- Average sunshine days in December: 21.6 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (19.4 days).
Average UV index in December
Raisin City, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in December
Raisin City, CA
- Average cloud cover in December: 29
The month with the most cloud cover is December (Cloud cover 29).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in December
Raisin City, 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).
Raisin City, California, USA
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