San Jose, CA All-Time Weather Extremes
The most extreme temperature, precipitation, and snowfall ever recorded in San Jose, from NOAA daily weather observations.
| Temperature | ||
|---|---|---|
| Record High | 109°F (43°C) | June 14, 2000 |
| Record Low | 19°F (-7°C) | December 22, 1990 and December 23, 1990 |
| Lowest High | 37.9°F (3°C) | December 9, 1972 and December 21, 1990 and December 22, 1990 |
| Highest Low | 73.9°F (23°C) | July 22, 2006 |
| Highest Mean | 90°F (32°C) | June 14, 2000 |
| Lowest Mean | 28.4°F (-2°C) | December 22, 1990 |
| Precipitation | ||
| Max in One Calendar Day | 2.42" (61.5 mm) | November 29, 1970 |
| Max in One Month | 10.23" (259.8 mm) | February 1998 |
| Least in One Month | 0.00" (0.0 mm) | September 1979 |
| Max in One Year | 32.57" (827.4 mm) | 1983 |
| Least in One Year | 7.24" (183.9 mm) | 1976 |
| Snowfall | ||
| Max in One Calendar Day | 0.5" (1.3 cm) | February 5, 1976 |
| Max in One Month | 0.5" (1.3 cm) | February 1976 |
| Max in One Season | 0.5" (1.3 cm) | 1975-76 |
| Max in One Year | 0.5" (1.3 cm) | 1976 |
| Earliest Snow | 0.5" (1.3 cm) | February 5, 1976 |
| Earliest Measurable Snow | 0.5" (1.3 cm) | February 5, 1976 |
| Latest Snow | 0.5" (1.3 cm) | February 5, 1976 |
| Latest Measurable Snow | 0.5" (1.3 cm) | February 5, 1976 |
| Period of Record | ||
| Temperature | January 1, 1970 – August 1, 2026 | |
| Precipitation | January 1, 1970 – August 1, 2026 | |
| Snowfall | January 1, 1970 – September 30, 2007 | |
Note: Records compiled from NOAA GHCN-Daily observations at SAN JOSE (3 mi from San Jose, 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 San Jose, CA?
The all-time record high in San Jose, CA is 109°F (43°C), set on June 14, 2000.
What is the coldest temperature ever recorded in San Jose, CA?
The all-time record low in San Jose, CA is 19°F (-7°C), set on December 22, 1990 and December 23, 1990.
What is the most rain San Jose, CA has ever had in one day?
The most precipitation recorded in one calendar day near San Jose, CA is 2.42 inches, on November 29, 1970.
What is the biggest snowfall ever recorded in San Jose, CA?
The most snow recorded in one calendar day near San Jose, CA is 0.5 inches, on February 5, 1976.
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