Vacaville (CA)
December
Weather in Vacaville, California for December 2026
Your guide to Vacaville weather in December - trends and predictions
Vacaville experiences moderate rainfall in December, with an average of 9 rainy days and a total precipitation of 273.7 mm.
Is December a good time to visit Vacaville? check out the best time to travel to Vacaville page.
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Rain 🌧️
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22
Dry days
9
Rainy days
0
Snow days
14°/6°
Temperatures
12 km/h
Avg max wind
77 %
Avg humidity
Vacaville Weather December
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Temperatures trend during December in Vacaville
See the weather trend as well as the moving average line
December weather in Vacaville day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Overcast | 16° /5° | 0 mm | 2.3 | |
| Dec. 2 | Sunny | 18° /6° | 0 mm | 2.2 | |
| Dec. 3 | Sunny | 17° /6° | 0 mm | 2.2 | |
| Dec. 4 | Sunny | 16° /4° | 0 mm | 2.2 | |
| Dec. 5 | Cloudy | 16° /6° | 0 mm | 2.2 | |
| Dec. 6 | Cloudy | 18° /6° | 0 mm | 2.2 | |
| Dec. 7 | Overcast | 14° /5° | 0 mm | 2.1 | |
| Dec. 8 | Partly cloudy | 15° /6° | 0 mm | 2.1 | |
| Dec. 9 | Sunny | 15° /5° | 0 mm | 2.1 | |
| Dec. 10 | Sunny | 16° /4° | 0 mm | 2.1 | |
| Dec. 11 | Overcast | 15° /3° | 0 mm | 2.1 | |
| Dec. 12 | Moderate rain | 15° /8° | 18.5 mm | 2.1 | |
| Dec. 13 | Light rain | 15° /7° | 2.7 mm | 2.1 | |
| Dec. 14 | Heavy rain | 14° /7° | 48.8 mm | 2.1 | |
| Dec. 15 | Overcast | 14° /6° | 0 mm | 2.1 | |
| Dec. 16 | Moderate or heavy rain shower | 13° /7° | 6.2 mm | 2.1 | |
| Dec. 17 | Overcast | 15° /10° | 0 mm | 2 | |
| Dec. 18 | Overcast | 13° /7° | 0 mm | 2 | |
| Dec. 19 | Overcast | 12° /8° | 0 mm | 2 | |
| Dec. 20 | Light rain | 11° /8° | 9.6 mm | 2 | |
| Dec. 21 | Heavy rain | 12° /10° | 47.8 mm | 1 | |
| Dec. 22 | Moderate rain at times | 14° /10° | 9.1 mm | 2 | |
| Dec. 23 | Light rain | 16° /12° | 2.6 mm | 2 | |
| Dec. 24 | Heavy rain | 14° /10° | 36.5 mm | 2 | |
| Dec. 25 | Heavy rain | 12° /8° | 46.5 mm | 2 | |
| Dec. 26 | Moderate rain | 12° /9° | 19.7 mm | 2 | |
| Dec. 27 | Moderate or heavy rain shower | 13° /7° | 9.4 mm | 2 | |
| Dec. 28 | Patchy rain possible | 14° /6° | 0.1 mm | 2 | |
| Dec. 29 | Light rain | 14° /4° | 3.6 mm | 2 | |
| Dec. 30 | Cloudy | 12° /4° | 0 mm | 2 | |
| Dec. 31 | Moderate rain | 12° /5° | 12.6 mm | 2 | |
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Important Notice
Our weather forecast for Vacaville 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 Vacaville forecast closer to your planned date for the most up-to-date weather information.
Change Month
Vacaville in December - FAQ
What are the expected maximum and minimum temperatures in Vacaville during December?
During December, expect a variety of temperatures with highs around 14° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Vacaville during December?
Significant rainfall exceeding 273.7 mm is expected in Vacaville during December, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Vacaville during December?
The average wind speed in Vacaville during December is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Vacaville
Explore the daily rainfall trends and prepare for Vacavilles December weather 💧
Typically, Vacaville has 9 rainy days in December with a total of 273.7 mm of rainfall.
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