Antioch, CA All-Time Weather Extremes
The most extreme temperature, precipitation, and snowfall ever recorded in Antioch, from NOAA daily weather observations.
| Temperature | ||
|---|---|---|
| Record High | 116.9°F (47°C) | June 17, 1961 |
| Record Low | 17.9°F (-8°C) | December 11, 1972 and December 12, 1972 |
| Lowest High | 33°F (1°C) | January 6, 1961 |
| Highest Low | 80°F (27°C) | June 14, 2000 |
| Highest Mean | 95.0°F (35°C) | June 17, 1961 |
| Lowest Mean | 27.4°F (-3°C) | December 21, 1965 |
| Precipitation | ||
| Max in One Calendar Day | 3.03" (77.0 mm) | October 13, 1962 |
| Max in One Month | 9.03" (229.3 mm) | February 1998 |
| Least in One Month | 0.00" (0.0 mm) | July 1955 |
| Max in One Year | 27.75" (704.9 mm) | 1983 |
| Least in One Year | 3.95" (100.4 mm) | 2020 |
| Period of Record | ||
| Temperature | March 1, 1955 – August 31, 2021 | |
| Precipitation | March 1, 1955 – August 31, 2021 | |
| Snowfall | March 1, 1955 – December 31, 2010 | |
Note: Records compiled from NOAA GHCN-Daily observations at ANTIOCH PUMPING PLT #3 (3 mi from Antioch, 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 Antioch, CA?
The all-time record high in Antioch, CA is 116.9°F (47°C), set on June 17, 1961.
What is the coldest temperature ever recorded in Antioch, CA?
The all-time record low in Antioch, CA is 17.9°F (-8°C), set on December 11, 1972 and December 12, 1972.
What is the most rain Antioch, CA has ever had in one day?
The most precipitation recorded in one calendar day near Antioch, CA is 3.03 inches, on October 13, 1962.
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Antioch Weather History
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