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
Temperature readings reach their annual highs in December, averaging 57.9°F (14.4°C) and a minimum average of 43.3°F (6.3°C).Humidity
In December, the average relative humidity is 71%.Rainfall
In Corralitos, in December, during 9.5 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 67.1 rainfall days, and 10.83" (275mm) of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:02 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:00 pm PST.
Sunshine
With an average of 6h of sunshine, December has the least sunshine of the year.UV index
February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
What is the average December temperature?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December in Corralitos?
When are sunrise and sunset in December in Corralitos?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Corralitos, CA
- Average high temperature in December: 57.9°F
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (57.9°F).
- Average low temperature in December: 43.3°F
The month with the highest average low temperature is September (54.5°F).
The coldest months (with the lowest average low temperature) are February and March (43.2°F).
Average pressure in December
Corralitos, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in December
Corralitos, CA
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is May (5.9mph).
The calmest months (with the lowest average wind speed) are October and November (4.5mph).
Average humidity in December
Corralitos, CA
- Average humidity in December: 71%
The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are September and October (64%).
Average rainfall in December
Corralitos, CA
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Corralitos, CA
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is August (0.8 days).
Average daylight in December /
Average sunshine in December
Corralitos, CA
- Average daylight in December: 9h and 4min
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
The months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6h).
Average sunshine days in December
Corralitos, CA
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is March (17.8 days).
Average UV index in December
Corralitos, CA
- Average UV index in December: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in December
Corralitos, CA
- Average cloud cover in December: 32
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in December
Corralitos, 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).
Corralitos, California, USA
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