Green Bay, WI All-Time Weather Extremes
The most extreme temperature, precipitation, and snowfall ever recorded in Green Bay, from NOAA daily weather observations.
| Temperature | ||
|---|---|---|
| Record High | 102.9°F (39°C) | July 13, 1995 |
| Record Low | -27.9°F (-33°C) | January 15, 1972 and January 17, 1982 and January 19, 1994 |
| Lowest High | -18°F (-28°C) | January 18, 1994 |
| Highest Low | 78.9°F (26°C) | June 22, 2025 |
| Highest Mean | 89.0°F (32°C) | July 13, 1995 |
| Lowest Mean | -22.5°F (-30°C) | January 18, 1994 |
| Precipitation | ||
| Max in One Calendar Day | 4.90" (124.5 mm) | June 22, 1990 |
| Max in One Month | 10.30" (261.6 mm) | June 1990 |
| Least in One Month | 0.06" (1.6 mm) | May 1988 |
| Max in One Year | 48.65" (1235.7 mm) | 2019 |
| Least in One Year | 17.89" (454.4 mm) | 1976 |
| Snowfall | ||
| Max in One Calendar Day | 17.1" (43.4 cm) | March 15, 2026 |
| Max in One Month | 45.6" (115.8 cm) | December 2008 |
| Max in One Season | 92.7" (235.4 cm) | 2010-11 |
| Max in One Year | 115.2" (292.5 cm) | 2008 |
| Earliest Snow | 0.1" (0.3 cm) | October 17, 2022 |
| Earliest Measurable Snow | 0.1" (0.3 cm) | October 17, 2022 |
| Latest Snow | 4.3" (10.9 cm) | May 10, 1990 |
| Latest Measurable Snow | 4.3" (10.9 cm) | May 10, 1990 |
| Period of Record | ||
| Temperature | January 1, 1970 – August 1, 2026 | |
| Precipitation | January 1, 1970 – August 1, 2026 | |
| Snowfall | January 1, 1970 – August 1, 2026 | |
Note: Records compiled from NOAA GHCN-Daily observations at GREEN BAY (5 mi from Green Bay, WI). 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 Green Bay, WI?
The all-time record high in Green Bay, WI is 102.9°F (39°C), set on July 13, 1995.
What is the coldest temperature ever recorded in Green Bay, WI?
The all-time record low in Green Bay, WI is -27.9°F (-33°C), set on January 15, 1972 and January 17, 1982 and January 19, 1994.
What is the most rain Green Bay, WI has ever had in one day?
The most precipitation recorded in one calendar day near Green Bay, WI is 4.90 inches, on June 22, 1990.
What is the biggest snowfall ever recorded in Green Bay, WI?
The most snow recorded in one calendar day near Green Bay, WI is 17.1 inches, on March 15, 2026.
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Green Bay Weather History
Monthly averages, records, and climate data for Green Bay
Wisconsin Weather Extremes
Statewide records and extremes for other Wisconsin cities