Concord, CA All-Time Weather Extremes
The most extreme temperature, precipitation, and snowfall ever recorded in Concord, from NOAA daily weather observations.
| Temperature | ||
|---|---|---|
| Record High | 111°F (44°C) | July 15, 1972 |
| Record Low | 14°F (-10°C) | February 6, 1989 and December 22, 1990 |
| Lowest High | 30.9°F (-1°C) | December 28, 1988 |
| Highest Low | 84.9°F (29°C) | September 6, 2022 |
| Highest Mean | 95.0°F (35°C) | July 14, 1972 and July 15, 1972 |
| Lowest Mean | 23.5°F (-5°C) | December 22, 1990 |
| Precipitation | ||
| Max in One Calendar Day | 6.04" (153.4 mm) | October 25, 2021 |
| Max in One Month | 20.98" (532.8 mm) | January 2023 |
| Least in One Month | 0.00" (0.0 mm) | September 1979 |
| Max in One Year | 46.80" (1188.8 mm) | 2017 |
| Least in One Year | 6.49" (164.9 mm) | 2013 |
| Snowfall | ||
| Max in One Calendar Day | 8.0" (20.3 cm) | March 14, 1975 |
| Max in One Month | 17.0" (43.2 cm) | April 1975 |
| Max in One Season | 25.0" (63.5 cm) | 1974-75 |
| Max in One Year | 25.0" (63.5 cm) | 1975 |
| Earliest Snow | 1.5" (3.8 cm) | December 15, 1984 |
| Earliest Measurable Snow | 1.5" (3.8 cm) | December 15, 1984 |
| Latest Snow | 4.0" (10.2 cm) | April 16, 1975 |
| Latest Measurable Snow | 4.0" (10.2 cm) | April 16, 1975 |
| Period of Record | ||
| Temperature | January 1, 1970 – June 30, 2026 | |
| Precipitation | January 1, 1970 – June 30, 2026 | |
| Snowfall | January 1, 1970 – June 30, 2026 | |
Note: Records compiled from NOAA GHCN-Daily observations at MT DIABLO JUNCTION (9 mi from Concord, 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 Concord, CA?
The all-time record high in Concord, CA is 111°F (44°C), set on July 15, 1972.
What is the coldest temperature ever recorded in Concord, CA?
The all-time record low in Concord, CA is 14°F (-10°C), set on February 6, 1989 and December 22, 1990.
What is the most rain Concord, CA has ever had in one day?
The most precipitation recorded in one calendar day near Concord, CA is 6.04 inches, on October 25, 2021.
What is the biggest snowfall ever recorded in Concord, CA?
The most snow recorded in one calendar day near Concord, CA is 8.0 inches, on March 14, 1975.
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Concord Weather History
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