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
Goleta's December weather, marked by an average high temperature of 60.6°F (15.9°C) and an average low temperature of 48.6°F (9.2°C), is the coldest in the year.Humidity
The average relative humidity in December is 60%.Rainfall
In Goleta, California, in December, during 5.7 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, in Goleta, California, there are 43.7 rainfall days, and 7.68" (195mm) 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 the month, sunrise is at 6:48 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:05 am and sunset at 4:59 pm PST.
Sunshine
The average sunshine in December in Goleta is 6.8h.UV index
The months with the lowest UV index in Goleta are January through March, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 4 in December leads to these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What are the coldest months in Goleta?
What is the temperature in December in Goleta?
What is the average humidity in December in Goleta?
How much does it rain in Goleta in December?
What is the month with the shortest days in Goleta?
What is the average length of the day in December in Goleta?
When are sunrise and sunset in December in Goleta?
How many hours of sunshine does Goleta have in December?
What are the months with the lowest UV index in Goleta?
What is the UV index intensity in December in Goleta?
Average temperature in December
Goleta, CA
- Average high temperature in December: 60.6°F
The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (60.6°F).
- Average low temperature in December: 48.6°F
The month with the highest average low temperature is August (62.1°F).
The coldest month (with the lowest average low temperature) is February (47.7°F).
Average pressure in December
Goleta, CA
- Average pressure in December: 30.08"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
Goleta, CA
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in December
Goleta, CA
- Average humidity in December: 60%
The month with the highest relative humidity is March (64%).
The months with the lowest relative humidity are September, October and November (56%).
Average rainfall in December
Goleta, CA
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is January (1.57").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days in December
Goleta, CA
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.2 days).
Average daylight in December /
Average sunshine in December
Goleta, 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 5min
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
Goleta, CA
- Average sunshine days in December: 24.6 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in December
Goleta, CA
- Average UV index in December: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in December
Goleta, CA
- Average cloud cover in December: 22
The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Goleta, 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).
Goleta, California, USA
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