Weather on August 12
Saint Louis, MO
55 Years of Data
Avg High
87°F
Avg Low
67°F
Warmest
2010
88°F avg
Coldest
2004
61°F avg
About This Date
August 12th in Saint Louis, MO typically brings warm summer weather, with average highs around 87°F and lows near 67°F. Over 53 years of records, the warmest August 12th was in 2010 (88°F average), while the coldest was 2004 (61°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 25% of August 12th dates historically, with the wettest August 12th recording 5.21" of rain. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for August 12th in Saint Louis, MO? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 70° | 81° | 0.81" | — |
| 2024 | 76° | 66° | 71° | 1.24" | — |
| 2023 | 90° | 70° | 80° | 0.33" | — |
| 2022 | 84° | 63° | 73° | — | — |
| 2021 | 95° | 69° | 82° | 2.46" | — |
| 2020 | 84° | 70° | 77° | — | — |
| 2019 | 95° | 75° | 85° | 0.41" | — |
| 2018 | 89° | 70° | 79° | — | — |
| 2017 | 81° | 69° | 75° | — | — |
| 2016 | 95° | 78° | 87° | — | — |
| 2015 | 85° | 66° | 75° | — | — |
| 2014 | 87° | 65° | 76° | — | — |
| 2013 | 87° | 72° | 79° | — | — |
| 2012 | 86° | 64° | 75° | — | — |
| 2011 | 83° | 62° | 72° | — | — |
| 2010warmest | 98° | 78° | 88° | — | — |
| 2009 | 85° | 65° | 75° | — | — |
| 2008 | 78° | 61° | 69° | — | — |
| 2007 | 97° | 71° | 84° | — | — |
| 2006 | 86° | 68° | 77° | — | — |
| 2005 | 98° | 71° | 85° | — | — |
| 2004coldest | 72° | 50° | 61° | — | — |
| 2003 | 87° | 67° | 77° | — | — |
| 2002 | 79° | 67° | 73° | 2.26" | — |
| 2001 | 82° | 71° | 77° | — | — |
| 2000 | 84° | 66° | 75° | — | — |
| 1999 | 87° | 72° | 79° | — | — |
| 1998 | 86° | 67° | 76° | — | — |
| 1997 | 90° | 73° | 81° | — | — |
| 1996 | 82° | 65° | 73° | — | — |
| 1995 | 96° | 75° | 86° | — | — |
| 1994 | 92° | 64° | 78° | 0.05" | — |
| 1993 | 89° | 69° | 79° | 5.21" | — |
| 1992 | 83° | 58° | 70° | — | — |
| 1991 | 83° | 57° | 70° | — | — |
| 1990 | 83° | 68° | 75° | 0.25" | — |
| 1989 | 87° | 58° | 72° | — | — |
| 1988 | 97° | 70° | 83° | — | — |
| 1987 | 90° | 66° | 78° | — | — |
| 1986 | 82° | 58° | 70° | — | — |
| 1985 | 93° | 72° | 82° | — | — |
| 1984 | 93° | 71° | 82° | — | — |
| 1981 | 85° | 67° | 76° | — | — |
| 1980 | 99° | 65° | 82° | — | — |
| 1979 | 77° | 54° | 65° | — | — |
| 1978 | 85° | 66° | 75° | 0.23" | — |
| 1977 | 83° | 64° | 73° | 0.08" | — |
| 1976 | 90° | 67° | 78° | — | — |
| 1975 | 94° | 73° | 83° | — | — |
| 1974 | — | 64° | — | 0.03" | — |
| 1973 | 91° | 67° | 79° | — | — |
| 1972 | 90° | 69° | 79° | 1.22" | — |
| 1971 | 86° | — | — | — | — |
53 years of data from ST LOUIS ST LOUIS UNIV