Vallejo, CA All-Time Weather Extremes
The most extreme temperature, precipitation, and snowfall ever recorded in Vallejo, from NOAA daily weather observations.
| Temperature | ||
|---|---|---|
| Record High | 114°F (46°C) | September 6, 2022 |
| Record Low | 14°F (-10°C) | December 22, 1990 |
| Lowest High | 30°F (-1°C) | February 4, 1903 |
| Highest Low | 80°F (27°C) | May 15, 2008 |
| Highest Mean | 93°F (34°C) | June 14, 2000 |
| Lowest Mean | 26.5°F (-3°C) | December 22, 1990 |
| Precipitation | ||
| Max in One Calendar Day | 5.85" (148.6 mm) | November 21, 1977 |
| Max in One Month | 16.13" (409.6 mm) | December 1955 |
| Least in One Month | 0.00" (0.0 mm) | July 1893 |
| Max in One Year | 51.25" (1301.7 mm) | 1983 |
| Least in One Year | 6.76" (171.6 mm) | 2013 |
| Snowfall | ||
| Max in One Calendar Day | 2.5" (6.4 cm) | January 6, 1907 |
| Max in One Month | 3.0" (7.6 cm) | March 1896 |
| Max in One Season | 3.0" (7.6 cm) | 1895-96 |
| Max in One Year | 3.0" (7.6 cm) | 1896 |
| Earliest Snow | 2.5" (6.4 cm) | January 6, 1907 |
| Earliest Measurable Snow | 2.5" (6.4 cm) | January 6, 1907 |
| Latest Snow | 1.0" (2.5 cm) | March 22, 1987 |
| Latest Measurable Snow | 1.0" (2.5 cm) | March 22, 1987 |
| Period of Record | ||
| Temperature | January 1, 1893 – August 2, 2026 | |
| Precipitation | January 1, 1893 – August 2, 2026 | |
| Snowfall | March 2, 1896 – December 31, 2010 | |
Note: Records compiled from NOAA GHCN-Daily observations at NAPA STATE HOSPITAL (12 mi from Vallejo, 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 Vallejo, CA?
The all-time record high in Vallejo, CA is 114°F (46°C), set on September 6, 2022.
What is the coldest temperature ever recorded in Vallejo, CA?
The all-time record low in Vallejo, CA is 14°F (-10°C), set on December 22, 1990.
What is the most rain Vallejo, CA has ever had in one day?
The most precipitation recorded in one calendar day near Vallejo, CA is 5.85 inches, on November 21, 1977.
What is the biggest snowfall ever recorded in Vallejo, CA?
The most snow recorded in one calendar day near Vallejo, CA is 2.5 inches, on January 6, 1907.
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Vallejo Weather History
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