Monterrey Weather in July
In July, Monterrey averages a high of 36°C (96°F) and a low of 22°C (72°F), from 40 years of daily records (1971–2025).
36°C
Average high
96°F
22°C
Average low
72°F
43°C
Record high
110°F · July 27, 1982
15°C
Record low
59°F · July 9, 2001
What July Is Like in Monterrey
- A typical July brings 21 days above 35°C (95°F).
- The July heat record, 43°C (110°F) on July 27, 1982, has stood for 43 years.
- The warmest July in the record was 1996; the coldest was 2002.
At least 1 mm of rain falls on 11% of July days, and the month averages 39 mm in total.
Warmest: 1996 (39.9°C)Latest: 2023 (38.8°C)10-year averageLong-run average (35.6°C)
Look Up a Day in July
See the weather in Monterrey on any July date, year by year.
Source: NOAA GHCN-Daily, Topo Chico (1971–2005); Monterrey (City) (1982–2025). Averages cover 1971–2025. How we compute this