Weather on October 31
Saint Louis, MO
55 Years of Data
About This Date
October 31st in Saint Louis, MO typically brings mild fall weather, with average highs around 65°F and lows near 42°F. Over 52 years of records, the warmest October 31st was in 1974 (72°F average), while the coldest was 2019 (32°F) — a 40°F range across recorded history. Rain or other precipitation has occurred on about 38% of October 31st dates historically, with the wettest October 31st recording 2.46" of rain. The last decade has been 8.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 8.9°F cooler on this date compared to 20-30 years ago.
Planning for October 31st in Saint Louis, MO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 38° | 51° | — | — |
| 2024 | 71° | 47° | 59° | 1.47" | — |
| 2023 | 44° | 23° | 34° | — | — |
| 2022 | 59° | 45° | 52° | — | — |
| 2021 | 57° | 38° | 47° | — | — |
| 2020 | 63° | 37° | 50° | — | — |
| 2019coldest | 37° | 26° | 32° | — | — |
| 2018 | 71° | 49° | 60° | 2.46" | — |
| 2017 | 53° | 36° | 44° | — | — |
| 2016 | 74° | 53° | 63° | — | — |
| 2015 | 58° | 46° | 52° | 0.41" | — |
| 2014 | 60° | 40° | 50° | — | — |
| 2013 | 72° | 62° | 67° | 1.75" | — |
| 2012 | 58° | 36° | 47° | — | — |
| 2011 | 63° | 37° | 50° | — | — |
| 2010 | 75° | 39° | 57° | — | — |
| 2009 | 63° | 41° | 52° | 1.96" | — |
| 2008 | 74° | 34° | 54° | — | — |
| 2007 | 72° | 33° | 52° | — | — |
| 2006 | 74° | 42° | 58° | 0.13" | — |
| 2005 | 70° | 43° | 56° | 0.97" | — |
| 2004 | 71° | 47° | 59° | — | — |
| 2003 | 75° | 66° | 71° | — | — |
| 2002 | 47° | 42° | 44° | 0.05" | — |
| 2001 | 72° | 40° | 56° | — | — |
| 2000 | 74° | 55° | 64° | 0.18" | — |
| 1999 | 78° | 55° | 67° | — | — |
| 1998 | 71° | 46° | 59° | — | — |
| 1997 | 68° | 46° | 57° | — | — |
| 1996 | 60° | 35° | 48° | — | — |
| 1995 | 68° | 46° | 57° | 0.2" | — |
| 1994 | 66° | 41° | 54° | 0.79" | — |
| 1993 | 42° | 29° | 35° | — | — |
| 1992 | 58° | 47° | 52° | — | — |
| 1991 | 50° | 33° | 42° | 0.15" | — |
| 1990 | 79° | 43° | 61° | — | — |
| 1989 | 56° | 28° | 42° | 0.86" | — |
| 1988 | 60° | 33° | 47° | — | — |
| 1987 | 80° | 55° | 68° | — | — |
| 1986 | 73° | 44° | 59° | — | — |
| 1985 | 56° | 48° | 52° | 2.34" | — |
| 1982 | 70° | 39° | 54° | 0.28" | — |
| 1980 | — | 29° | — | — | — |
| 1979 | 69° | 56° | 62° | 0.05" | — |
| 1978 | 65° | 33° | 49° | — | — |
| 1977 | 67° | 44° | 55° | 0.86" | — |
| 1976 | 48° | 42° | 45° | 0.05" | — |
| 1975 | 62° | 36° | 49° | — | — |
| 1974warmest | 81° | 64° | 72° | — | — |
| 1973 | 63° | 42° | 52° | 1.78" | — |
| 1972 | 55° | 46° | 51° | 1.91" | — |
| 1971 | 73° | 43° | 58° | — | — |
Saint Louis, MO Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Saint Louis, MO Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Saint Louis, MO Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Saint Louis, MO
Saint Louis, MO has no months that meet our "pleasant" threshold — every season has tradeoffs.