Weather on April 9
Saint Louis, MO
55 Years of Data
Avg High
65°F
Avg Low
42°F
Warmest
2001
77°F avg
Coldest
1982
35°F avg
About This Date
April 9th in Saint Louis, MO typically brings mild spring weather, with average highs around 65°F and lows near 42°F. Over 56 years of records, the warmest April 9th was in 2001 (77°F average), while the coldest was 1982 (35°F) — a 42°F range across recorded history. Rain or other precipitation has occurred on about 30% of April 9th dates historically, with the wettest April 9th recording 2.59" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for April 9th in Saint Louis, MO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 81° | 48° | 64° | — | — |
| 2025 | 70° | 40° | 55° | — | — |
| 2024 | 74° | 50° | 62° | — | — |
| 2023 | 70° | 35° | 52° | — | — |
| 2022 | 59° | 35° | 47° | — | — |
| 2021 | 81° | 44° | 62° | — | — |
| 2020 | 62° | 39° | 51° | — | — |
| 2019 | 73° | 49° | 61° | — | — |
| 2018 | 42° | 36° | 39° | — | — |
| 2017 | 82° | 57° | 70° | — | — |
| 2016 | 54° | 31° | 42° | — | — |
| 2015 | 83° | 56° | 69° | 0.81" | — |
| 2014 | 62° | 41° | 52° | — | — |
| 2013 | 78° | 60° | 69° | — | — |
| 2012 | 67° | 40° | 53° | — | — |
| 2011 | 79° | 59° | 69° | 0.97" | — |
| 2010 | 61° | 35° | 48° | — | — |
| 2009 | 62° | 31° | 46° | — | — |
| 2008 | 70° | 41° | 55° | 0.08" | — |
| 2007 | 49° | 23° | 36° | — | — |
| 2006 | 52° | 31° | 41° | — | — |
| 2005 | 72° | 44° | 58° | — | — |
| 2004 | 65° | 37° | 51° | — | — |
| 2003 | 43° | 34° | 38° | 0.03" | — |
| 2002 | 70° | 51° | 60° | 0.33" | — |
| 2001warmest | 87° | 67° | 77° | — | — |
| 2000 | 51° | 32° | 42° | — | — |
| 1999 | 80° | 57° | 69° | 1.3" | — |
| 1998 | 72° | 44° | 58° | — | — |
| 1997 | 49° | 25° | 37° | — | — |
| 1996 | 55° | 26° | 41° | — | — |
| 1995 | 81° | 51° | 66° | — | — |
| 1994 | 67° | 57° | 62° | — | — |
| 1993 | 64° | 51° | 58° | 0.51" | — |
| 1992 | 78° | 56° | 67° | 0.2" | — |
| 1991 | 76° | 42° | 59° | 0.03" | — |
| 1990 | 67° | 42° | 54° | — | — |
| 1989 | 52° | 28° | 40° | — | — |
| 1988 | 73° | 49° | 61° | — | — |
| 1987 | 75° | 39° | 57° | — | — |
| 1986 | 62° | 36° | 49° | — | — |
| 1985 | 54° | 41° | 47° | — | — |
| 1984 | 54° | 49° | 51° | 0.03" | — |
| 1983 | 53° | 41° | 47° | 2.59" | — |
| 1982coldest | 37° | 32° | 35° | 2.31" | — |
| 1981 | 78° | 51° | 65° | 1.02" | — |
| 1980 | 53° | 43° | 48° | — | — |
| 1979 | 70° | 37° | 53° | 0.43" | — |
| 1978 | 81° | 55° | 68° | — | — |
| 1977 | 63° | 38° | 50° | — | — |
| 1976 | 62° | 32° | 47° | — | — |
| 1975 | 65° | 44° | 54° | 0.18" | — |
| 1974 | 48° | 27° | 37° | 0.05" | — |
| 1973 | 51° | 33° | 42° | 2.34" | — |
| 1972 | 52° | 33° | 42° | — | — |
| 1971 | 77° | 53° | 65° | — | — |
56 years of data from ST LOUIS ST LOUIS UNIV