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Ventura County (Oxnard)
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United States weather

Weather in Ventura County, California for December 2025

Your guide to Ventura County weather in December - trends and predictions

    Temperatures

  • Until now, December 2025 in Ventura County has been nearly identical to the historical average, with a temperature of 18.5 °F (showing only a slight deviation of 0.1 °F).

  • Expect cooler weather in the next days in Ventura County with the forecast suggesting a temperature of 17.4 °F, lower than the historical average.

  • In general, the average temperature in Ventura County at the beginning of December is 18.3 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.1 °F by the end of December.

    • Rain 🌧️

  • Ventura County experiences moderate rainfall in December, with an average of 7 rainy days and a total precipitation of 62.3 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/11°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
60 %
Avg humidity

Ventura County Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Partly cloudy
19°
2
Cloudy
17°
3
Sunny
17°
4
Overcast
19°
5
Partly cloudy
20°
6
Partly cloudy
18°
7
Partly cloudy
18°
8
Sunny
17°
9
Partly cloudy
22°
10
Sunny
22°
11
Overcast
19°
12
Sunny
17°
13
Sunny
16°
14
Overcast
17°
15
Sunny
19°
16
Sunny
20°
17
Patchy rain possible
18°
18
Sunny
25°
19
Partly cloudy
18°
20
Partly cloudy
17°
21
Sunny
18°
22
Sunny
20°
23
Patchy rain possible
19°
24
Moderate rain
17°
25
Moderate rain
15°
26
Moderate rain
15°
27
Patchy rain possible
14°
28
Sunny
14°
29
Sunny
15°
30
Sunny
18°
31
Light rain shower
15°

Temperatures trend during December in Ventura County

See the weather trend as well as the moving average line

December weather in Ventura County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Partly cloudy
Partly cloudy
 19° /9° 0 mm 5
Dec. 2 Cloudy
Cloudy
 17° /9° 0 mm 4
Dec. 3 Sunny
Sunny
 17° /9° 0 mm 4
Dec. 4 Overcast
Overcast
 19° /10° 0 mm 5
Dec. 5 Partly cloudy
Partly cloudy
 20° /11° 0 mm 6
Dec. 6 Partly cloudy
Partly cloudy
 18° /11° 0 mm 5
Dec. 7 Partly cloudy
Partly cloudy
 18° /11° 0 mm 5
Dec. 8 Sunny
Sunny
 17° /9° 0 mm 4
Dec. 9 Partly cloudy
Partly cloudy
 22° /10° 0 mm 6
Dec. 10 Sunny
Sunny
 22° /11° 0 mm 6
Dec. 11 Overcast
Overcast
 19° /12° 0 mm 4
Dec. 12 Sunny
Sunny
 17° /11° 0 mm 5
Dec. 13 Sunny
Sunny
 16° /10° 0 mm 4
Dec. 14 Overcast
Overcast
 17° /12° 0 mm 4
Dec. 15 Sunny
Sunny
 19° /11° 0 mm 5
Dec. 16 Sunny
Sunny
 20° /13° 0 mm 5
Dec. 17 Patchy rain possible
Patchy rain possible
 18° /12° 0.1 mm 0.6
Dec. 18 Sunny
Sunny
 25° /11° 0 mm 0.6
Dec. 19 Partly cloudy
Partly cloudy
 18° /13° 0 mm 0.6
Dec. 20 Partly cloudy
Partly cloudy
 17° /12° 0 mm 0.6
Dec. 21 Sunny
Sunny
 18° /15° 0 mm 0.5
Dec. 22 Sunny
Sunny
 20° /16° 0 mm 0
Dec. 23 Patchy rain possible
Patchy rain possible
 19° /16° 0.4 mm 4
Dec. 24 Moderate rain
Moderate rain
 17° /16° 13.2 mm 4
Dec. 25 Moderate rain
Moderate rain
 15° /14° 5.4 mm 4
Dec. 26 Moderate rain
Moderate rain
 15° /12° 5.6 mm 3
Dec. 27 Patchy rain possible
Patchy rain possible
 14° /12° 2 mm 3
Dec. 28 Sunny
Sunny
 14° /10° 0 mm 4
Dec. 29 Sunny
Sunny
 15° /11° 0 mm 4
Dec. 30 Sunny
Sunny
 18° /12° 0 mm 4
Dec. 31 Light rain shower
Light rain shower
 15° /10° 1.9 mm 4
Next
Important Notice
Our weather forecast for Ventura County in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Ventura County forecast closer to your planned date for the most up-to-date weather information.
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Ventura County in December - FAQ

What are the expected maximum and minimum temperatures in Ventura County during December?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ventura County during December?
Moderate rainfall is anticipated in Ventura County during December, with a total of 62.3 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Ventura County during December?
The average wind speed in Ventura County during December is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Ventura County

Explore the daily rainfall trends and prepare for Ventura Countys December weather 💧
Typically, Ventura County has 7 rainy days in December with a total of 62.3 mm of rainfall.

UV exposure in Ventura County during December

Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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Location coordinates Where is Ventura County?

Get accurate weather forecasts for Ventura County, located at latitude 34.198 and longitude -119.177. Stay updated with localized weather information tailored for Ventura County.

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