Norwalk, CA All-Time Weather Extremes
The most extreme temperature, precipitation, and snowfall ever recorded in Norwalk, from NOAA daily weather observations.
| Temperature | ||
|---|---|---|
| Record High | 111°F (44°C) | September 27, 2010 |
| Record Low | 28°F (-2°C) | December 22, 1990 |
| Lowest High | 50°F (10°C) | December 9, 1972 |
| Highest Low | 78°F (26°C) | September 9, 1984 |
| Highest Mean | 92°F (33°C) | September 4, 2022 |
| Lowest Mean | 41.0°F (5°C) | December 22, 1990 |
| Precipitation | ||
| Max in One Calendar Day | 3.97" (100.8 mm) | January 22, 2017 |
| Max in One Month | 12.77" (324.3 mm) | January 1995 |
| Least in One Month | 0.00" (0.0 mm) | September 1979 |
| Max in One Year | 27.69" (703.2 mm) | 1978 |
| Least in One Year | 2.64" (67.0 mm) | 2002 |
| Period of Record | ||
| Temperature | January 1, 1970 – August 1, 2026 | |
| Precipitation | January 1, 1970 – August 1, 2026 | |
| Snowfall | January 1, 1970 – October 31, 2019 | |
Note: Records compiled from NOAA GHCN-Daily observations at LONG BEACH DAUGHERTY AP (7 mi from Norwalk, 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 Norwalk, CA?
The all-time record high in Norwalk, CA is 111°F (44°C), set on September 27, 2010.
What is the coldest temperature ever recorded in Norwalk, CA?
The all-time record low in Norwalk, CA is 28°F (-2°C), set on December 22, 1990.
What is the most rain Norwalk, CA has ever had in one day?
The most precipitation recorded in one calendar day near Norwalk, CA is 3.97 inches, on January 22, 2017.
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Norwalk Weather History
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