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
In Buellton, the lowest average temperatures are observed in December, with a high of 61.2°F (16.2°C) and a low of 48.6°F (9.2°C).Humidity
In December, the average relative humidity is 62%.Rainfall
In December, the rain falls for 5 days. Throughout December, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 37.7 rainfall days, and 5.98" (152mm) 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 December, sunrise is at 6:50 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:00 pm PST.
Sunshine
The average sunshine in December is 6.7h.UV index
With an average maximum UV index of 3, December is the month 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 the ordinary person.Note: An average UV index of 3 in December transforms into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
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 Buellton?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December in Buellton?
Average temperature in December
Buellton, CA
- Average high temperature in December: 61.2°F
The warmest month (with the highest average high temperature) is August (78.8°F).
The month with the lowest average high temperature is December (61.2°F).
- Average low temperature in December: 48.6°F
The month with the highest average low temperature is September (61.2°F).
The coldest month (with the lowest average low temperature) is February (47.8°F).
Average pressure in December
Buellton, CA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in December
Buellton, CA
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is May (8.9mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Buellton, CA
- Average humidity in December: 62%
The month with the highest relative humidity is March (67%).
The months with the lowest relative humidity are October and November (58%).
Average rainfall in December
Buellton, CA
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is January (1.38").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Buellton, CA
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is March (6.2 days).
The month with the least rainy days is August (0.8 days).
Average daylight in December /
Average sunshine in December
Buellton, CA
- Average daylight in December: 9h and 5min
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: 6h and 4min
The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in December
Buellton, CA
- Average sunshine days in December: 25.7 days
The month with the most sunshine days is August (29 days).
The month with the least sunshine days is February (22.3 days).
Average UV index in December
Buellton, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Buellton, CA
- Average cloud cover in December: 23
The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Buellton, 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).
Buellton, California, USA
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