Weather on May 18 in Monterrey
Historical weather data for May 18 in Monterrey, Mexico
Based on 48 years of data from TOPO CHICO
About This Date
May 18th in Monterrey, Mexico typically brings hot spring weather, with average highs around 34°C and lows near 21°C. Over 48 years of records, the warmest May 18th was in 1995 (33°C average), while the coldest was 1976 (17°C) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 15% of May 18th dates historically, with the wettest May 18th recording 1.78" of rain. The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
Planning for May 18th in Monterrey? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 36°C (97°F) | 25°C (77°F) | 1.78" |
| 2024 | 32°C (90°F) | 23°C (73°F) | 0" |
| 2022 | 39°C (103°F) | 22°C (72°F) | 0" |
| 2018 | 37°C (99°F) | 22°C (72°F) | 0" |
| 2017 | 38°C (100°F) | 24°C (76°F) | 0" |
| 2015 | 36°C (96°F) | 23°C (73°F) | 0.3" |
| 2013 | 37°C (98°F) | 22°C (72°F) | 0" |
| 2012 | 33°C (92°F) | 19°C (66°F) | 0" |
| 2011 | 37°C (98°F) | 19°C (67°F) | 0" |
| 2010 | 33°C (92°F) | 21°C (69°F) | 0" |
| 2009 | 31°C (87°F) | 19°C (67°F) | 0" |
| 2008 | 32°C (89°F) | 16°C (61°F) | 0" |
| 2006 | 36°C (96°F) | 17°C (63°F) | 0" |
| 2005 | 33°C (91°F) | 18°C (64°F) | 0" |
| 2004 | 30°C (86°F) | 16°C (60°F) | 0" |
| 2003 | 37°C (98°F) | 23°C (73°F) | 0" |
| 2002 | 28°C (82°F) | 15°C (59°F) | 0" |
| 2001 | 40°C (104°F) | 21°C (69°F) | 0" |
| 2000 | 37°C (98°F) | 20°C (68°F) | 0" |
| 1999 | 37°C (98°F) | 24°C (76°F) | 0" |
| 1998 | 37°C (98°F) | 23°C (73°F) | 0" |
| 1997 | 34°C (93°F) | 20°C (68°F) | 0" |
| 1996 | 37°C (98°F) | 22°C (71°F) | 0" |
| 1995 | 42°C (107°F) | 24°C (75°F) | 0" |
| 1994 | 34°C (93°F) | 22°C (71°F) | 0" |
| 1993 | 35°C (95°F) | 22°C (71°F) | 0" |
| 1992 | 28°C (82°F) | 17°C (62°F) | 0" |
| 1991 | 36°C (96°F) | 21°C (69°F) | 0" |
| 1990 | 34°C (93°F) | 23°C (73°F) | 0" |
| 1989 | 39°C (102°F) | 25°C (77°F) | 0" |
| 1988 | 31°C (87°F) | 21°C (69°F) | 0" |
| 1987 | 33°C (91°F) | 22°C (71°F) | 0.28" |
| 1986 | 31°C (87°F) | 19°C (66°F) | 0" |
| 1985 | 30°C (86°F) | 18°C (64°F) | 0.58" |
| 1984 | 33°C (91°F) | 15°C (59°F) | 0" |
| 1983 | 36°C (96°F) | 21°C (69°F) | 0" |
| 1982 | 27°C (80°F) | 20°C (68°F) | 0" |
| 1981 | 38°C (100°F) | 24°C (75°F) | 0" |
| 1980 | 36°C (96°F) | 23°C (73°F) | 0" |
| 1979 | 33°C (91°F) | 18°C (64°F) | 0.28" |
| 1978 | 34°C (93°F) | 23°C (73°F) | 0" |
| 1977 | 32°C (89°F) | 21°C (69°F) | 0" |
| 1976 | 18°C (64°F) | 16°C (60°F) | 0.53" |
| 1975 | 30°C (86°F) | 20°C (68°F) | 0" |
| 1974 | 35°C (95°F) | 23°C (73°F) | 0" |
| 1973 | 34°C (93°F) | 16°C (60°F) | 0" |
| 1972 | 26°C (78°F) | 17°C (62°F) | 0.18" |
| 1971 | 37°C (98°F) | 18°C (64°F) | 0" |