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 sea temperature 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
The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a comfortable 64.9°F (18.3°C) in November to a still refreshing 59.5°F (15.3°C). Ventura throughout December, experiences an average nighttime temperature of 50°F (10°C).Humidity
In December, the average relative humidity is 59%.Rainfall
In Ventura, in December, it is raining for 5.5 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, in Ventura, there are 47.8 rainfall days, and 6.97" (177mm) of precipitation is accumulated.Ocean temperature
In Ventura, the average seawater temperature in December is 58.8°F (14.9°C).Note: Being in 58.8°F (14.9°C) waters at 55.4°F (13°C) is discomforting, but anything below 50°F (10°C) can jeopardize breathing and induce cold shock, factoring in physical endurance.
Daylight
The month with the shortest days in Ventura is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:45 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:02 am and sunset at 4:57 pm PST.
Sunshine
The months with the least sunshine in Ventura are January, February and December, with an average of 6.8h of sunshine.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 3 in December transforms into this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ventura in December?
What is the average humidity in December in Ventura?
How many days does it rain in December in Ventura?
How cold is the water in December in Ventura?
What is the month with the shortest days in Ventura?
What is the average length of the day in December in Ventura?
When is the sunrise / sunset in December in Ventura?
What are the months with the least sunshine in Ventura?
How many hours of sunshine does Ventura have in December?
When is the lowest UV index in Ventura?
How high is the UV index in December in Ventura?
Average temperature in December
Ventura, CA
- Average high temperature in December: 59.5°F
The warmest months (with the highest average high temperature) are August and September (74.3°F).
The month with the lowest average high temperature is February (59°F).
- Average low temperature in December: 50°F
The month with the highest average low temperature is August (62.6°F).
The coldest month (with the lowest average low temperature) is February (48.9°F).
Average pressure in December
Ventura, CA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is September (29.9"Hg).
Average wind speed in December
Ventura, CA
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).
Average humidity in December
Ventura, CA
- Average humidity in December: 59%
The months with the highest relative humidity are June and July (69%).
The month with the lowest relative humidity is November (56%).
Average rainfall in December
Ventura, CA
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is January (1.34").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in December
Ventura, CA
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is August (2.1 days).
Average sea temperature in December
Ventura, CA
- Average sea temperature in December: 58.9°F
The best month for swimming (with the highest average sea temperature) is August (64.1°F).
The coldest month (with the lowest average sea temperature) is April (56.7°F).
Average daylight in December /
Average sunshine in December
Ventura, 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 July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in December
Ventura, CA
- Average sunshine days in December: 24.6 days
The month with the most sunshine days is October (26 days).
The month with the least sunshine days is July (20.4 days).
Average UV index in December
Ventura, CA
- Average UV index in December: 3
The month with the highest UV index is August (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Ventura, CA
- Average cloud cover in December: 21
The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Ventura, 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).
Ventura, California, USA
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