Weather on July 31
Sioux Falls, SD
55 Years of Data
About This Date
July 31st in Sioux Falls, SD typically brings warm summer weather, with average highs around 85°F and lows near 62°F. Over 55 years of records, the warmest July 31st was in 1988 (91°F average), while the coldest was 1974 (62°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 29% of July 31st dates historically, with the wettest July 31st recording 0.53" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for July 31st in Sioux Falls, SD? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 58° | 68° | — | — |
| 2024 | 89° | 65° | 77° | 0.2" | — |
| 2023 | 90° | 67° | 78° | — | — |
| 2022 | 92° | 67° | 79° | 0.23" | — |
| 2021 | 86° | 59° | 73° | — | — |
| 2020 | 86° | 58° | 72° | 0.03" | — |
| 2019 | 75° | 64° | 70° | — | — |
| 2018 | 83° | 55° | 69° | — | — |
| 2017 | 83° | 69° | 76° | — | — |
| 2016 | 86° | 67° | 76° | — | — |
| 2015 | 88° | 60° | 74° | — | — |
| 2014 | 80° | 53° | 67° | — | — |
| 2013 | 81° | 56° | 68° | 0.03" | — |
| 2012 | 94° | 60° | 77° | — | — |
| 2011 | 91° | 75° | 83° | — | — |
| 2010 | 89° | 64° | 77° | — | — |
| 2009 | 83° | 52° | 67° | 0.36" | — |
| 2008 | 86° | 66° | 76° | 0.03" | — |
| 2007 | 89° | 69° | 79° | — | — |
| 2006 | 99° | 73° | 86° | 0.18" | — |
| 2005 | 85° | 68° | 76° | — | — |
| 2004 | 90° | 54° | 72° | 0.08" | — |
| 2003 | 87° | 64° | 76° | — | — |
| 2002 | 98° | 74° | 86° | — | — |
| 2001 | 94° | 79° | 86° | — | — |
| 2000 | 88° | 57° | 72° | — | — |
| 1999 | 79° | 59° | 69° | — | — |
| 1998 | 77° | 50° | 64° | — | — |
| 1997 | 77° | 63° | 70° | 0.33" | — |
| 1996 | 82° | 51° | 67° | — | — |
| 1995 | 80° | 56° | 68° | 0.36" | — |
| 1994 | 91° | 68° | 80° | — | — |
| 1993 | 90° | 70° | 80° | — | — |
| 1992 | 76° | 48° | 62° | — | — |
| 1991 | 88° | 62° | 75° | — | — |
| 1990 | 79° | 47° | 63° | — | — |
| 1989 | 89° | 68° | 79° | — | — |
| 1988warmest | 107° | 76° | 91° | — | — |
| 1987 | 100° | 78° | 89° | — | — |
| 1986 | 81° | 56° | 68° | — | — |
| 1985 | 69° | 56° | 62° | — | — |
| 1984 | 84° | 70° | 77° | 0.03" | — |
| 1983 | 85° | 62° | 73° | — | — |
| 1982 | 90° | 61° | 75° | — | — |
| 1981 | 79° | 74° | 76° | 0.18" | — |
| 1980 | 82° | 48° | 65° | 0.03" | — |
| 1979 | 75° | 61° | 68° | — | — |
| 1978 | 80° | 59° | 70° | — | — |
| 1977 | 80° | 58° | 69° | — | — |
| 1976 | 83° | 59° | 71° | — | — |
| 1975 | 95° | 73° | 84° | 0.05" | — |
| 1974coldest | 73° | 52° | 62° | 0.03" | — |
| 1973 | 81° | 53° | 67° | — | — |
| 1972 | 82° | 65° | 73° | 0.53" | — |
| 1971 | 87° | 55° | 71° | — | — |
Sioux Falls, SD Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Sioux Falls, SD Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Sioux Falls, SD 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 Sioux Falls, SD
Sioux Falls, SD has no months that meet our "pleasant" threshold — every season has tradeoffs.