Rochester, NY All-Time Weather Extremes
The most extreme temperature, precipitation, and snowfall ever recorded in Rochester, from NOAA daily weather observations.
| Temperature | ||
|---|---|---|
| Record High | 102°F (39°C) | July 9, 1936 and July 10, 1936 |
| Record Low | -22°F (-30°C) | February 9, 1934 |
| Lowest High | -4°F (-20°C) | January 17, 1982 |
| Highest Low | 80.9°F (27°C) | July 9, 1936 and July 26, 1940 |
| Highest Mean | 91.5°F (33°C) | July 9, 1936 |
| Lowest Mean | -12.4°F (-25°C) | February 9, 1934 |
| Precipitation | ||
| Max in One Calendar Day | 3.47" (88.1 mm) | September 14, 1979 |
| Max in One Month | 9.70" (246.4 mm) | July 1947 |
| Least in One Month | 0.14" (3.6 mm) | October 1938 |
| Max in One Year | 45.41" (1153.3 mm) | 2017 |
| Least in One Year | 22.46" (570.5 mm) | 1964 |
| Snowfall | ||
| Max in One Calendar Day | 23.0" (58.4 cm) | January 3, 1996 |
| Max in One Month | 64.7" (164.4 cm) | February 1958 |
| Max in One Season | 161.7" (410.8 cm) | 1959-60 |
| Max in One Year | 151.8" (385.6 cm) | 1959 |
| Earliest Snow | 0.1" (0.3 cm) | October 12, 2006 |
| Earliest Measurable Snow | 0.1" (0.3 cm) | October 12, 2006 |
| Latest Snow | 0.4" (1.0 cm) | May 19, 1976 |
| Latest Measurable Snow | 0.4" (1.0 cm) | May 19, 1976 |
| Period of Record | ||
| Temperature | January 2, 1926 – February 6, 2025 | |
| Precipitation | January 2, 1926 – February 6, 2025 | |
| Snowfall | January 2, 1926 – February 6, 2025 | |
Note: Records compiled from NOAA GHCN-Daily observations at ROCHESTER GTR INTL (12 mi from Rochester, NY). 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 Rochester, NY?
The all-time record high in Rochester, NY is 102°F (39°C), set on July 9, 1936 and July 10, 1936.
What is the coldest temperature ever recorded in Rochester, NY?
The all-time record low in Rochester, NY is -22°F (-30°C), set on February 9, 1934.
What is the most rain Rochester, NY has ever had in one day?
The most precipitation recorded in one calendar day near Rochester, NY is 3.47 inches, on September 14, 1979.
What is the biggest snowfall ever recorded in Rochester, NY?
The most snow recorded in one calendar day near Rochester, NY is 23.0 inches, on January 3, 1996.
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