Weather on May 19
Saint Louis, MO
55 Years of Data
Avg High
78°F
Avg Low
56°F
Warmest
1996
83°F avg
Coldest
1981
50°F avg
About This Date
May 19th in Saint Louis, MO typically brings pleasant spring weather, with average highs around 78°F and lows near 56°F. Over 52 years of records, the warmest May 19th was in 1996 (83°F average), while the coldest was 1981 (50°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 27% of May 19th dates historically, with the wettest May 19th recording 5.89" of rain. The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.
Planning for May 19th in Saint Louis, MO? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 63° | 73° | 2.54" | — |
| 2024 | 91° | 63° | 77° | — | — |
| 2023 | 82° | 58° | 70° | 0.1" | — |
| 2022 | 80° | 60° | 70° | 5.89" | — |
| 2021 | 79° | 64° | 71° | — | — |
| 2020 | 65° | 57° | 61° | 0.03" | — |
| 2019 | 77° | 59° | 68° | 0.15" | — |
| 2018 | 72° | 67° | 69° | — | — |
| 2017 | 85° | 59° | 72° | 1.09" | — |
| 2016 | 68° | 46° | 57° | — | — |
| 2015 | 84° | 48° | 66° | — | — |
| 2014 | 68° | 54° | 61° | — | — |
| 2013 | 88° | 70° | 79° | — | — |
| 2012 | 86° | 60° | 73° | — | — |
| 2011 | 73° | 60° | 67° | — | — |
| 2010 | 71° | 48° | 60° | — | — |
| 2009 | 69° | 46° | 58° | — | — |
| 2008 | 72° | 47° | 59° | — | — |
| 2007 | 69° | 44° | 57° | — | — |
| 2006 | 73° | 49° | 61° | — | — |
| 2005 | 82° | 61° | 71° | — | — |
| 2004 | 81° | 63° | 72° | 1.8" | — |
| 2003 | 78° | 64° | 71° | 0.05" | — |
| 2002 | 61° | 41° | 51° | — | — |
| 2001 | 78° | 62° | 70° | 4.83" | — |
| 2000 | 80° | 56° | 68° | — | — |
| 1999 | 74° | 49° | 61° | — | — |
| 1998 | 88° | 67° | 77° | — | — |
| 1997 | 88° | 67° | 77° | — | — |
| 1996warmest | 93° | 73° | 83° | — | — |
| 1995 | 71° | 50° | 61° | 0.05" | — |
| 1994 | 73° | 49° | 61° | — | — |
| 1993 | 70° | 51° | 60° | — | — |
| 1992 | 78° | 58° | 68° | — | — |
| 1991 | 79° | 63° | 71° | — | — |
| 1990 | 74° | 53° | 63° | 1.19" | — |
| 1989 | 82° | 50° | 66° | 1.14" | — |
| 1988 | 83° | 48° | 65° | — | — |
| 1987 | 93° | 64° | 79° | — | — |
| 1986 | 69° | 42° | 56° | — | — |
| 1984 | 81° | 57° | 69° | — | — |
| 1981coldest | 55° | 45° | 50° | 2.13" | — |
| 1980 | 70° | 55° | 62° | — | — |
| 1979 | 85° | 64° | 74° | — | — |
| 1978 | 78° | 53° | 66° | — | — |
| 1977 | 94° | 55° | 74° | — | — |
| 1976 | 67° | 42° | 54° | — | — |
| 1975 | 85° | 60° | 72° | — | — |
| 1974 | 74° | 64° | 69° | 0.13" | — |
| 1973 | 77° | 54° | 65° | — | — |
| 1972 | 88° | 66° | 77° | — | — |
| 1971 | 85° | 64° | 74° | — | — |
52 years of data from ST LOUIS ST LOUIS UNIV