Weather on July 31 in Monterrey
Historical weather data for July 31 in Monterrey, Mexico
Based on 46 years of data from TOPO CHICO
About This Date
July 31st in Monterrey, Mexico typically brings hot summer weather, with average highs around 37°C and lows near 22°C — a 26°F daily swing. Over 46 years of records, the warmest July 31st was in 2017 (33°C average), while the coldest was 1984 (26°C) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 11% of July 31st dates historically, with the wettest July 31st recording 1.5" of rain. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for July 31st in Monterrey? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 38°C (100°F) | 23°C (73°F) | 0 mm |
| 2024 | 35°C (95°F) | 24°C (76°F) | -- |
| 2019 | 38°C (100°F) | 23°C (73°F) | -- |
| 2018 | 40°C (104°F) | 23°C (74°F) | -- |
| 2017 | 41°C (106°F) | 26°C (78°F) | 0 mm |
| 2012 | 39°C (102°F) | 23°C (73°F) | -- |
| 2011 | 36°C (96°F) | 23°C (74°F) | -- |
| 2010 | 34°C (93°F) | 20°C (68°F) | 0 mm |
| 2009 | 37°C (98°F) | 24°C (75°F) | 0 mm |
| 2008 | 36°C (97°F) | 24°C (76°F) | 0 mm |
| 2006 | 38°C (101°F) | 22°C (72°F) | 0 mm |
| 2005 | 32°C (89°F) | 21°C (69°F) | 0 mm |
| 2004 | 35°C (95°F) | 19°C (66°F) | 0 mm |
| 2003 | 34°C (93°F) | 20°C (68°F) | 0 mm |
| 2002 | 33°C (91°F) | 19°C (66°F) | 0 mm |
| 2001 | 40°C (104°F) | 21°C (69°F) | 0 mm |
| 2000 | 36°C (96°F) | 23°C (73°F) | 23 mm |
| 1999 | 38°C (101°F) | 23°C (73°F) | 0 mm |
| 1998 | 39°C (103°F) | 23°C (74°F) | 0 mm |
| 1997 | 38°C (100°F) | 24°C (75°F) | 0 mm |
| 1996 | 41°C (105°F) | 24°C (75°F) | 0 mm |
| 1995 | 37°C (99°F) | -- | 0 mm |
| 1994 | 35°C (95°F) | 23°C (73°F) | 0 mm |
| 1993 | 38°C (100°F) | 24°C (75°F) | 0 mm |
| 1992 | 38°C (100°F) | 23°C (73°F) | 0 mm |
| 1991 | 39°C (102°F) | 23°C (73°F) | 0 mm |
| 1990 | 37°C (98°F) | 28°C (82°F) | 21 mm |
| 1989 | 36°C (96°F) | 23°C (73°F) | 0 mm |
| 1988 | 34°C (93°F) | 22°C (71°F) | 0 mm |
| 1987 | 34°C (93°F) | 22°C (71°F) | 0 mm |
| 1986 | 38°C (100°F) | 23°C (73°F) | 0 mm |
| 1985 | 37°C (98°F) | 21°C (69°F) | 0 mm |
| 1984 | 32°C (89°F) | 20°C (68°F) | 0 mm |
| 1983 | 36°C (96°F) | 24°C (75°F) | 0 mm |
| 1982 | 41°C (105°F) | 21°C (69°F) | 0 mm |
| 1981 | 36°C (96°F) | 23°C (73°F) | 0 mm |
| 1980 | 39°C (102°F) | 22°C (71°F) | 0 mm |
| 1979 | 38°C (100°F) | 23°C (73°F) | 0 mm |
| 1978 | 31°C (87°F) | 23°C (73°F) | 15 mm |
| 1977 | 40°C (104°F) | 23°C (73°F) | 0 mm |
| 1976 | 36°C (96°F) | 23°C (73°F) | 15 mm |
| 1975 | 36°C (96°F) | 23°C (73°F) | 0 mm |
| 1974 | 35°C (95°F) | 23°C (73°F) | 0 mm |
| 1973 | 38°C (100°F) | 24°C (75°F) | 38 mm |
| 1972 | 36°C (96°F) | 20°C (68°F) | 0 mm |
| 1971 | 32°C (89°F) | 22°C (71°F) | 0 mm |