Vacaville, CA All-Time Weather Extremes
The most extreme temperature, precipitation, and snowfall ever recorded in Vacaville, from NOAA daily weather observations.
| Temperature | ||
|---|---|---|
| Record High | 109°F (43°C) | July 3, 1970 |
| Record Low | 24°F (-4°C) | January 3, 1970 |
| Lowest High | 39°F (4°C) | December 25, 1970 |
| Highest Low | 73°F (23°C) | July 3, 1970 |
| Highest Mean | 91°F (33°C) | July 3, 1970 |
| Lowest Mean | 33.5°F (1°C) | December 25, 1970 |
| Precipitation | ||
| Max in One Calendar Day | 3.03" (77.0 mm) | November 28, 1970 |
| Max in One Month | 8.61" (218.7 mm) | January 1970 |
| Least in One Month | 0.00" (0.0 mm) | August 1970 |
| Max in One Year | 25.02" (635.4 mm) | 1970 |
| Least in One Year | 25.02" (635.4 mm) | 1970 |
| Period of Record | ||
| Temperature | January 1, 1970 – July 30, 2026 | |
| Precipitation | January 1, 1970 – February 13, 2025 | |
| Snowfall | January 1, 1970 – December 31, 1970 | |
Note: Records compiled from NOAA GHCN-Daily observations at TRAVIS AFB (6 mi from Vacaville, CA). Quality-flagged readings are excluded. Monthly and annual totals require substantially complete reporting for “least” records.
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Frequently Asked Questions
What is the hottest temperature ever recorded in Vacaville, CA?
The all-time record high in Vacaville, CA is 109°F (43°C), set on July 3, 1970.
What is the coldest temperature ever recorded in Vacaville, CA?
The all-time record low in Vacaville, CA is 24°F (-4°C), set on January 3, 1970.
What is the most rain Vacaville, CA has ever had in one day?
The most precipitation recorded in one calendar day near Vacaville, CA is 3.03 inches, on November 28, 1970.
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Vacaville Weather History
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