Port St. Lucie, FL All-Time Weather Extremes
The most extreme temperature, precipitation, and snowfall ever recorded in Port St. Lucie, from NOAA daily weather observations.
| Temperature | ||
|---|---|---|
| Record High | 105°F (41°C) | July 21, 1942 |
| Record Low | 23°F (-5°C) | January 22, 1985 |
| Lowest High | 41°F (5°C) | January 10, 2010 |
| Highest Low | 87.9°F (31°C) | September 8, 1987 |
| Highest Mean | 91.5°F (33°C) | July 21, 1942 |
| Lowest Mean | 36.5°F (3°C) | January 10, 2010 |
| Precipitation | ||
| Max in One Calendar Day | 11.50" (292.1 mm) | August 2, 2001 |
| Max in One Month | 24.20" (614.8 mm) | May 2018 |
| Least in One Month | 0.00" (0.0 mm) | April 1946 |
| Max in One Year | 99.96" (2539.1 mm) | 1994 |
| Least in One Year | 37.10" (942.4 mm) | 2006 |
| Period of Record | ||
| Temperature | March 18, 1936 – August 3, 2026 | |
| Precipitation | September 1, 1935 – August 3, 2026 | |
| Snowfall | October 1, 1935 – December 31, 2010 | |
Note: Records compiled from NOAA GHCN-Daily observations at STUART (8 mi from Port St. Lucie, FL). 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 Port St. Lucie, FL?
The all-time record high in Port St. Lucie, FL is 105°F (41°C), set on July 21, 1942.
What is the coldest temperature ever recorded in Port St. Lucie, FL?
The all-time record low in Port St. Lucie, FL is 23°F (-5°C), set on January 22, 1985.
What is the most rain Port St. Lucie, FL has ever had in one day?
The most precipitation recorded in one calendar day near Port St. Lucie, FL is 11.50 inches, on August 2, 2001.
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