Weather on May 12
Saint Louis, MO
55 Years of Data
Avg High
76°F
Avg Low
55°F
Warmest
2022
82°F avg
Coldest
2008
47°F avg
About This Date
May 12th in Saint Louis, MO typically brings pleasant spring weather, with average highs around 76°F and lows near 55°F. Over 53 years of records, the warmest May 12th was in 2022 (82°F average), while the coldest was 2008 (47°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 43% of May 12th dates historically, with the wettest May 12th recording 3.68" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for May 12th in Saint Louis, MO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 58° | 65° | 0.94" | — |
| 2024 | 84° | 50° | 67° | — | — |
| 2023 | 82° | 65° | 73° | — | — |
| 2022warmest | 94° | 70° | 82° | — | — |
| 2021 | 66° | 43° | 54° | — | — |
| 2020 | 55° | 44° | 50° | — | — |
| 2019 | 58° | 47° | 52° | 0.05" | — |
| 2018 | 89° | 73° | 81° | — | — |
| 2017 | 75° | 58° | 66° | 0.05" | — |
| 2016 | 82° | 59° | 71° | 3.68" | — |
| 2015 | 73° | 50° | 62° | — | — |
| 2014 | 87° | 73° | 80° | — | — |
| 2013 | 71° | 42° | 57° | — | — |
| 2012 | 74° | 56° | 65° | — | — |
| 2011 | 91° | 68° | 80° | — | — |
| 2010 | 82° | 57° | 70° | 3.33" | — |
| 2009 | 71° | 46° | 59° | — | — |
| 2008coldest | 56° | 39° | 47° | 0.03" | — |
| 2007 | 79° | 61° | 70° | 0.08" | — |
| 2006 | 60° | 48° | 54° | 0.08" | — |
| 2005 | 86° | 59° | 73° | — | — |
| 2004 | 83° | 66° | 74° | — | — |
| 2003 | 65° | 52° | 58° | — | — |
| 2002 | 78° | 58° | 68° | — | — |
| 2001 | 79° | 58° | 68° | — | — |
| 2000 | 85° | 64° | 74° | — | — |
| 1999 | 81° | 64° | 72° | 0.05" | — |
| 1998 | 77° | 59° | 68° | 0.1" | — |
| 1997 | 80° | 50° | 65° | 0.33" | — |
| 1996 | 62° | 48° | 55° | — | — |
| 1995 | 70° | 54° | 62° | 0.1" | — |
| 1994 | 82° | 56° | 69° | 1.24" | — |
| 1993 | 68° | 57° | 63° | 0.58" | — |
| 1992 | 82° | 60° | 71° | 0.46" | — |
| 1991 | 81° | 63° | 72° | 0.03" | — |
| 1990 | 74° | 50° | 62° | 3.38" | — |
| 1989 | 75° | 41° | 58° | — | — |
| 1988 | 88° | 49° | 68° | — | — |
| 1987 | 78° | 56° | 67° | 0.48" | — |
| 1986 | 83° | 62° | 72° | — | — |
| 1985 | 88° | 60° | 74° | — | — |
| 1984 | 81° | 56° | 68° | — | — |
| 1981 | 64° | 38° | 51° | — | — |
| 1980 | 74° | 58° | 66° | — | — |
| 1979 | 68° | 47° | 57° | 0.41" | — |
| 1978 | 68° | — | — | 1.78" | — |
| 1977 | 72° | 40° | 56° | — | — |
| 1976 | 78° | 44° | 61° | — | — |
| 1975 | 76° | 54° | 65° | 1.93" | — |
| 1974 | 71° | 53° | 62° | 0.94" | — |
| 1973 | 65° | 54° | 59° | — | — |
| 1972 | 78° | 59° | 69° | — | — |
| 1971 | 74° | 48° | 61° | 1.07" | — |
53 years of data from ST LOUIS ST LOUIS UNIV