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 | 109.9°F (43°C) | September 2, 1955 and September 3, 1955 and June 14, 1961 |
| Record Low | 19°F (-7°C) | January 3, 1968 |
| Lowest High | 32°F (0°C) | January 5, 1961 |
| Highest Low | 73.9°F (23°C) | August 6, 1961 and September 27, 1966 and September 16, 1968 |
| Highest Mean | 91.5°F (33°C) | June 15, 1961 |
| Lowest Mean | 28.9°F (-2°C) | December 20, 1965 |
| Precipitation | ||
| Max in One Calendar Day | 3.18" (80.8 mm) | January 21, 1967 |
| Max in One Month | 11.87" (301.6 mm) | December 1955 |
| Least in One Month | 0.00" (0.0 mm) | June 1949 |
| Max in One Year | 25.02" (635.4 mm) | 1970 |
| Least in One Year | 9.74" (247.5 mm) | 1953 |
| Period of Record | ||
| Temperature | May 24, 1947 – January 7, 2023 | |
| Precipitation | May 24, 1947 – January 7, 2023 | |
| Snowfall | May 24, 1947 – 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 109.9°F (43°C), set on September 2, 1955 and September 3, 1955 and June 14, 1961.
What is the coldest temperature ever recorded in Vacaville, CA?
The all-time record low in Vacaville, CA is 19°F (-7°C), set on January 3, 1968.
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 3.18 inches, on January 21, 1967.
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Vacaville Weather History
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