Rosario, Argentina All-Time Weather Extremes
The most extreme temperature, precipitation, and snowfall ever recorded in Rosario, from NOAA GHCN daily weather observations.
Station: PARANA AERO
| Temperature | ||
|---|---|---|
| Record High | 114.4°F (46°C) | March 19, 1965 |
| Record Low | 19.4°F (-7°C) | July 10, 1976 |
| Lowest High | 42.8°F (6°C) | July 10, 2000 |
| Highest Low | 83.8°F (29°C) | January 23, 2014 |
| Highest Mean | 94.1°F (35°C) | January 15, 2022 |
| Lowest Mean | 35.9°F (2°C) | July 26, 1975 |
| Precipitation | ||
| Max in One Calendar Day | 13.78" (350.0 mm) | March 2, 1981 |
| Max in One Month | 25.59" (650.0 mm) | January 1992 |
| Least in One Month | 0.00" (0.0 mm) | July 1996 |
| Max in One Year | 56.92" (1445.8 mm) | 1981 |
| Least in One Year | 42.01" (1067.1 mm) | 2004 |
| Period of Record | ||
| Temperature | February 1, 1956 – August 24, 2025 | |
| Precipitation | June 1, 1973 – July 17, 2025 | |
Note: Records compiled from NOAA GHCN-Daily observations at PARANA AERO (81 mi from Rosario, Argentina). 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 Rosario, Argentina?
The all-time record high in Rosario, Argentina is 114.4°F (46°C), set on March 19, 1965.
What is the coldest temperature ever recorded in Rosario, Argentina?
The all-time record low in Rosario, Argentina is 19.4°F (-7°C), set on July 10, 1976.
What is the most rain Rosario, Argentina has ever had in one day?
The most precipitation recorded in one calendar day near Rosario, Argentina is 13.78 inches, on March 2, 1981.
Rosario Weather History
Monthly averages and climate data for Rosario
Argentina Weather History
Historical weather for other Argentina cities