Weather on August 21 in Monterrey
Historical weather data for August 21 in Monterrey, Mexico
Based on 47 years of data from TOPO CHICO
About This Date
August 21st in Monterrey, Mexico typically brings hot summer weather, with average highs around 35°C and lows near 22°C. Over 47 years of records, the warmest August 21st was in 1991 (33°C average), while the coldest was 1976 (22°C) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 9% of August 21st dates historically, with the wettest August 21st recording 1.51" of rain. The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Monterrey? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2021 | 37°C (98°F) | 23°C (74°F) | 0 mm |
| 2019 | 39°C (102°F) | 24°C (75°F) | -- |
| 2018 | 38°C (101°F) | 23°C (73°F) | 2 mm |
| 2017 | 38°C (100°F) | 23°C (74°F) | 0 mm |
| 2016 | 36°C (96°F) | 22°C (71°F) | 24 mm |
| 2015 | 34°C (93°F) | 22°C (71°F) | 0 mm |
| 2012 | 36°C (97°F) | 22°C (71°F) | 0 mm |
| 2011 | 38°C (101°F) | 22°C (72°F) | 0 mm |
| 2010 | 36°C (97°F) | 22°C (72°F) | 0 mm |
| 2009 | 40°C (104°F) | 25°C (77°F) | 0 mm |
| 2008 | 36°C (96°F) | 23°C (73°F) | 0 mm |
| 2006 | 38°C (100°F) | 23°C (73°F) | 0 mm |
| 2005 | 24°C (75°F) | 21°C (69°F) | 0 mm |
| 2004 | 36°C (96°F) | 18°C (64°F) | 0 mm |
| 2003 | 30°C (86°F) | 20°C (68°F) | 0 mm |
| 2002 | 35°C (95°F) | 20°C (68°F) | 0 mm |
| 2001 | 33°C (91°F) | 17°C (62°F) | 0 mm |
| 2000 | 36°C (96°F) | 23°C (73°F) | 0 mm |
| 1999 | 38°C (100°F) | 23°C (73°F) | 0 mm |
| 1998 | 34°C (93°F) | 24°C (76°F) | 0 mm |
| 1997 | 38°C (100°F) | 22°C (71°F) | 0 mm |
| 1996 | 35°C (95°F) | 21°C (69°F) | 38 mm |
| 1995 | 34°C (93°F) | -- | 0 mm |
| 1994 | 39°C (102°F) | 23°C (73°F) | 0 mm |
| 1993 | 38°C (100°F) | 23°C (73°F) | 0 mm |
| 1992 | 34°C (93°F) | 22°C (71°F) | 0 mm |
| 1991 | 40°C (104°F) | 25°C (77°F) | 0 mm |
| 1990 | 36°C (96°F) | 22°C (71°F) | 0 mm |
| 1989 | 35°C (95°F) | 23°C (73°F) | 0 mm |
| 1988 | 33°C (91°F) | 23°C (73°F) | 4 mm |
| 1987 | 36°C (96°F) | 23°C (73°F) | 0 mm |
| 1986 | 28°C (82°F) | 25°C (77°F) | 0 mm |
| 1985 | 37°C (98°F) | 23°C (73°F) | 0 mm |
| 1984 | 38°C (100°F) | 23°C (74°F) | 0 mm |
| 1983 | 37°C (98°F) | 23°C (73°F) | 0 mm |
| 1982 | 38°C (100°F) | 22°C (71°F) | 0 mm |
| 1981 | 34°C (93°F) | 23°C (73°F) | 0 mm |
| 1980 | 34°C (93°F) | 22°C (71°F) | 0 mm |
| 1979 | 39°C (102°F) | 23°C (73°F) | 0 mm |
| 1978 | 36°C (96°F) | 21°C (69°F) | 0 mm |
| 1977 | 40°C (104°F) | 23°C (73°F) | 0 mm |
| 1976 | 24°C (75°F) | 19°C (66°F) | 0 mm |
| 1975 | 33°C (91°F) | 22°C (71°F) | 0 mm |
| 1974 | 37°C (98°F) | 23°C (73°F) | 0 mm |
| 1973 | 32°C (89°F) | 21°C (69°F) | 0 mm |
| 1972 | 34°C (93°F) | 21°C (69°F) | 0 mm |
| 1971 | 32°C (89°F) | 20°C (68°F) | 0 mm |