Weather on August 11
Saint Louis, MO
55 Years of Data
Avg High
88°F
Avg Low
67°F
Warmest
2010
88°F avg
Coldest
1986
68°F avg
About This Date
August 11th in Saint Louis, MO typically brings warm summer weather, with average highs around 88°F and lows near 67°F. Over 53 years of records, the warmest August 11th was in 2010 (88°F average), while the coldest was 1986 (68°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 26% of August 11th dates historically, with the wettest August 11th recording 2.62" of rain. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for August 11th in Saint Louis, MO? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 71° | 81° | — | — |
| 2024 | 85° | 64° | 74° | — | — |
| 2023 | 93° | 69° | 81° | — | — |
| 2022 | 87° | 59° | 73° | — | — |
| 2021 | 94° | 77° | 85° | — | — |
| 2020 | 84° | 68° | 76° | — | — |
| 2019 | 87° | 69° | 78° | 0.05" | — |
| 2018 | 93° | 73° | 83° | 0.08" | — |
| 2017 | 85° | 72° | 78° | 0.48" | — |
| 2016 | 94° | 77° | 85° | — | — |
| 2015 | 88° | 72° | 80° | 0.74" | — |
| 2014 | 84° | 70° | 77° | — | — |
| 2013 | 85° | 63° | 74° | — | — |
| 2012 | 80° | 60° | 70° | — | — |
| 2011 | 81° | 61° | 71° | 0.05" | — |
| 2010warmest | 100° | 75° | 88° | — | — |
| 2009 | 85° | 70° | 77° | — | — |
| 2008 | 83° | 57° | 70° | — | — |
| 2007 | 94° | 68° | 81° | — | — |
| 2006 | 91° | 73° | 82° | 0.91" | — |
| 2005 | 98° | 71° | 85° | 0.3" | — |
| 2004 | 85° | 58° | 71° | — | — |
| 2003 | 84° | 64° | 74° | — | — |
| 2002 | 92° | 69° | 80° | — | — |
| 2001 | 83° | 69° | 76° | — | — |
| 2000 | 85° | 65° | 75° | — | — |
| 1999 | 93° | 67° | 80° | — | — |
| 1998 | 91° | 72° | 81° | — | — |
| 1997 | 84° | 70° | 77° | — | — |
| 1996 | 82° | 67° | 74° | — | — |
| 1995 | 95° | 74° | 84° | — | — |
| 1994 | 92° | 74° | 83° | — | — |
| 1993 | 86° | 73° | 80° | — | — |
| 1992 | 85° | 63° | 74° | — | — |
| 1991 | 83° | 58° | 70° | — | — |
| 1990 | 85° | 58° | 71° | — | — |
| 1989 | 85° | 56° | 70° | — | — |
| 1988 | 98° | 70° | 84° | — | — |
| 1987 | 90° | 65° | 77° | — | — |
| 1986coldest | 84° | 52° | 68° | — | — |
| 1985 | 86° | 63° | 74° | — | — |
| 1984 | 90° | 74° | 82° | — | — |
| 1981 | 83° | 65° | 74° | 0.13" | — |
| 1980 | 100° | 66° | 83° | 0.43" | — |
| 1979 | 92° | 64° | 78° | 0.48" | — |
| 1978 | 91° | 59° | 75° | 0.38" | — |
| 1977 | 88° | 69° | 78° | 0.64" | — |
| 1976 | 89° | 69° | 79° | — | — |
| 1975 | 88° | 67° | 77° | — | — |
| 1974 | 80° | 69° | 75° | 0.08" | — |
| 1973 | 91° | 65° | 78° | 2.62" | — |
| 1972 | 96° | 65° | 80° | — | — |
| 1971 | 91° | — | — | — | — |
53 years of data from ST LOUIS ST LOUIS UNIV