Vacaville (CA)
January
Weather in Vacaville, California for January 2027
Your guide to Vacaville weather in January - trends and predictions
In general, the average temperature in Vacaville at the beginning of January is 12.6 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 12.7 °C by the end of January.
With an average of 5 rainy days, Vacaville experiences minimal rainfall in January.
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Temperatures
Rain 🌧️
More
26
Dry days
5
Rainy days
0
Snow days
14°/5°
Temperatures
12 km/h
Avg max wind
72 %
Avg humidity
Vacaville Weather January
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Temperatures trend during January in Vacaville
See the weather trend as well as the moving average line
January weather in Vacaville day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Patchy rain possible | 12° /6° | 24.9 mm | 2 | |
| Jan. 2 |  Overcast | 13° /8° | 3 mm | 2 | |
| Jan. 3 |  Moderate or heavy rain shower | 14° /8° | 54.1 mm | 2 | |
| Jan. 4 |  Cloudy | 12° /6° | 47.2 mm | 2 | |
| Jan. 5 | Cloudy | 12° /6° | 0 mm | 2 | |
| Jan. 6 | Overcast | 11° /5° | 0 mm | 2 | |
| Jan. 7 |  Sunny | 14° /7° | 0 mm | 3 | |
| Jan. 8 |  Partly cloudy | 14° /5° | 0 mm | 3 | |
| Jan. 9 | Sunny | 15° /3° | 0 mm | 3 | |
| Jan. 10 | Sunny | 14° /3° | 0 mm | 3 | |
| Jan. 11 | Sunny | 15° /6° | 0 mm | 3 | |
| Jan. 12 | Sunny | 14° /3° | 0 mm | 3 | |
| Jan. 13 | Sunny | 15° /4° | 0 mm | 3 | |
| Jan. 14 | Sunny | 16° /4° | 0 mm | 3 | |
| Jan. 15 | Sunny | 17° /4° | 0 mm | 3 | |
| Jan. 16 | Sunny | 17° /5° | 0 mm | 3 | |
| Jan. 17 | Cloudy | 14° /4° | 0 mm | 2 | |
| Jan. 18 | Overcast | 12° /3° | 0 mm | 3 | |
| Jan. 19 | Cloudy | 12° /2° | 0 mm | 2 | |
| Jan. 20 | Overcast | 15° /3° | 0 mm | 2 | |
| Jan. 21 | Sunny | 15° /5° | 0 mm | 2 | |
| Jan. 22 | Sunny | 16° /5° | 0 mm | 3 | |
| Jan. 23 | Sunny | 14° /4° | 0 mm | 3 | |
| Jan. 24 | Overcast | 16° /3° | 0 mm | 3 | |
| Jan. 25 | Moderate rain at times | 11° /3° | 0.3 mm | 2 | |
| Jan. 26 | Overcast | 14° /3° | 0 mm | 2 | |
| Jan. 27 | Sunny | 13° /3° | 0 mm | 3 | |
| Jan. 28 | Sunny | 16° /4° | 0 mm | 3 | |
| Jan. 29 | Overcast | 11° /1° | 0 mm | 2 | |
| Jan. 30 | Overcast | 12° /2° | 0 mm | 2 | |
| Jan. 31 |  Moderate rain | 12° /5° | 4.4 mm | 2 | |
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Important Notice
Our weather forecast for Vacaville in January 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 January - FAQ
What are the expected maximum and minimum temperatures in Vacaville during January?
During January, expect a variety of temperatures with highs around 14° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Vacaville during January?
Significant rainfall exceeding 134 mm is expected in Vacaville during January, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Vacaville during January?
The average wind speed in Vacaville during January is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Vacaville
Explore the daily rainfall trends and prepare for Vacavilles January weather 💧
Typically, Vacaville has 5 rainy days in January with a total of 134 mm of rainfall.
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