Weather on March 12
Saint Louis, MO
55 Years of Data
Avg High
56°F
Avg Low
34°F
Warmest
1990
71°F avg
Coldest
1998
17°F avg
About This Date
March 12th in Saint Louis, MO typically brings cool spring weather, with average highs around 56°F and lows near 34°F. Over 55 years of records, the warmest March 12th was in 1990 (71°F average), while the coldest was 1998 (17°F) — a 54°F range across recorded history. Precipitation has occurred on 40% of recorded March 12th dates, with snow falling 4% of the time (heaviest snowfall: 2.5"). The last decade has been 5.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.7°F warmer on this date compared to 20-30 years ago.
Planning for March 12th in Saint Louis, MO? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 55° | 32° | 44° | — | — |
| 2025 | 78° | 32° | 55° | — | — |
| 2024 | 75° | 42° | 59° | — | — |
| 2023 | 45° | 32° | 38° | 0.05" | — |
| 2022 | 33° | 14° | 24° | — | — |
| 2021 | 58° | 45° | 51° | 0.2" | — |
| 2020 | 58° | 40° | 49° | 0.74" | — |
| 2019 | 51° | 30° | 41° | 0.23" | — |
| 2018 | 47° | — | — | — | — |
| 2017 | 44° | 27° | 36° | — | — |
| 2016 | 60° | 48° | 54° | — | — |
| 2015 | 73° | 44° | 59° | — | — |
| 2014 | 79° | 35° | 57° | 1.09" | — |
| 2013 | 37° | 29° | 33° | — | — |
| 2012 | 65° | 41° | 53° | 0.38" | — |
| 2011 | 60° | 33° | 47° | — | — |
| 2010 | 70° | 44° | 57° | — | — |
| 2009 | 36° | 24° | 30° | — | — |
| 2008 | 60° | 22° | 41° | — | — |
| 2007 | 63° | 35° | 49° | — | — |
| 2006 | 80° | 53° | 67° | 2.01" | — |
| 2005 | 50° | 34° | 42° | — | — |
| 2004 | 55° | 27° | 41° | — | — |
| 2003 | 59° | 39° | 49° | 2.24" | — |
| 2002 | 47° | 37° | 42° | 0.15" | — |
| 2001 | 54° | 38° | 46° | 0.08" | — |
| 2000 | 38° | 18° | 28° | 0.51" | 2" |
| 1999 | 43° | 25° | 34° | — | — |
| 1998coldest | 24° | 10° | 17° | — | — |
| 1997 | 63° | 37° | 50° | — | — |
| 1996 | 61° | 30° | 45° | — | — |
| 1995 | 73° | 45° | 59° | — | — |
| 1994 | 65° | 30° | 47° | — | — |
| 1993 | 39° | 20° | 29° | — | — |
| 1992 | 38° | 32° | 35° | — | — |
| 1991 | 65° | 32° | 48° | 1.65" | — |
| 1990warmest | 83° | 60° | 71° | 0.91" | — |
| 1989 | 56° | 39° | 47° | — | — |
| 1988 | 62° | 40° | 51° | 0.84" | — |
| 1987 | 53° | 30° | 42° | — | — |
| 1986 | 61° | 42° | 51° | 2.21" | — |
| 1985 | 50° | 33° | 42° | 0.64" | — |
| 1984 | 35° | 21° | 28° | 0.51" | 2.5" |
| 1983 | 40° | 31° | 35° | — | — |
| 1982 | 60° | 21° | 41° | — | — |
| 1980 | 42° | 24° | 33° | — | — |
| 1979 | 60° | 23° | 42° | — | — |
| 1978 | 46° | 34° | 40° | 0.13" | — |
| 1977 | 67° | 44° | 55° | 5.84" | — |
| 1976 | 68° | 38° | 53° | 0.69" | — |
| 1975 | 37° | 30° | 34° | 2.9" | — |
| 1974 | 60° | 43° | 51° | 0.1" | — |
| 1973 | 57° | 44° | 51° | — | — |
| 1972 | 68° | 40° | 54° | — | — |
| 1971 | 69° | — | — | — | — |
55 years of data from ST LOUIS ST LOUIS UNIV