Monterrey, Mexico All-Time Weather Extremes
The most extreme temperature, precipitation, and snowfall ever recorded in Monterrey, from NOAA GHCN daily weather observations.
| Temperature | ||
|---|---|---|
| Record High | 104.9°F (41°C) | May 4, 1949 and June 13, 1970 and May 13, 2026 |
| Record Low | 6.8°F (-14°C) | January 11, 1962 |
| Lowest High | 30.7°F (-1°C) | December 12, 1997 |
| Highest Low | 84.3°F (29°C) | June 24, 2026 |
| Highest Mean | 93.3°F (34°C) | June 21, 2026 |
| Lowest Mean | 25.7°F (-4°C) | January 10, 1967 |
| Precipitation | ||
| Max in One Calendar Day | 6.30" (160.0 mm) | September 16, 1988 |
| Max in One Month | 9.13" (231.8 mm) | September 2018 |
| Least in One Month | 0.00" (0.0 mm) | February 1951 |
| Max in One Year | 25.73" (653.5 mm) | 2018 |
| Least in One Year | 4.58" (116.4 mm) | 2011 |
| Period of Record | ||
| Temperature | April 27, 1949 – August 1, 2026 | |
| Precipitation | December 1, 1944 – December 31, 2024 | |
Note: Records compiled from NOAA GHCN-Daily observations at SALTILLO (49 mi from Monterrey, Mexico). 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 Monterrey, Mexico?
The all-time record high in Monterrey, Mexico is 104.9°F (41°C), set on May 4, 1949 and June 13, 1970 and May 13, 2026.
What is the coldest temperature ever recorded in Monterrey, Mexico?
The all-time record low in Monterrey, Mexico is 6.8°F (-14°C), set on January 11, 1962.
What is the most rain Monterrey, Mexico has ever had in one day?
The most precipitation recorded in one calendar day near Monterrey, Mexico is 6.30 inches, on September 16, 1988.
Monterrey Weather History
Monthly averages and climate data for Monterrey
Mexico Weather History
Historical weather for other Mexico cities