Weather on August 31
Tempe, AZ
55 Years of Data
Avg High
104°F
Avg Low
74°F
Warmest
1998
96°F avg
Coldest
1993
82°F avg
About This Date
August 31st in Tempe, AZ typically brings hot summer weather, with average highs around 104°F and lows near 74°F — a 30°F daily swing. Over 55 years of records, the warmest August 31st was in 1998 (96°F average), while the coldest was 1993 (82°F) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 16% of August 31st dates historically, with the wettest August 31st recording 0.74" 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 August 31st in Tempe, AZ? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 110° | 75° | 92° | — | — |
| 2024 | 109° | 80° | 95° | — | — |
| 2023 | 110° | 78° | 94° | — | — |
| 2022 | 110° | 72° | 91° | — | — |
| 2021 | 107° | 68° | 88° | 0.05" | — |
| 2020 | 98° | 72° | 85° | — | — |
| 2019 | 106° | 77° | 91° | — | — |
| 2018 | 107° | 74° | 90° | — | — |
| 2017 | 106° | 73° | 89° | — | — |
| 2016 | — | 74° | — | — | — |
| 2015 | 103° | 65° | 84° | 0.18" | — |
| 2014 | 106° | 66° | 86° | — | — |
| 2013 | 99° | 76° | 87° | 0.03" | — |
| 2012 | 100° | 77° | 89° | — | — |
| 2011 | 110° | 77° | 93° | — | — |
| 2010 | 99° | 66° | 82° | — | — |
| 2009 | 107° | 74° | 90° | — | — |
| 2008 | 94° | 72° | 83° | 0.1" | — |
| 2007 | 111° | 81° | 96° | — | — |
| 2006 | 106° | 75° | 90° | — | — |
| 2005 | 104° | 81° | 92° | — | — |
| 2004 | 107° | 78° | 93° | — | — |
| 2003 | 105° | 83° | 94° | — | — |
| 2002 | 108° | 77° | 92° | — | — |
| 2001 | 99° | 73° | 86° | 0.74" | — |
| 2000 | 95° | 69° | 82° | — | — |
| 1999 | 99° | 74° | 86° | 0.38" | — |
| 1998warmest | 109° | 83° | 96° | — | — |
| 1997 | 98° | 75° | 87° | 0.03" | — |
| 1996 | 102° | 82° | 92° | — | — |
| 1995 | 110° | 79° | 94° | — | — |
| 1994 | 102° | 79° | 90° | — | — |
| 1993coldest | 94° | 71° | 82° | — | — |
| 1992 | 98° | 71° | 85° | — | — |
| 1991 | 98° | 80° | 89° | 0.18" | — |
| 1990 | 100° | 81° | 90° | — | — |
| 1989 | 102° | 78° | 90° | — | — |
| 1988 | 100° | 79° | 89° | — | — |
| 1987 | 107° | 74° | 90° | — | — |
| 1986 | 99° | 80° | 89° | — | — |
| 1985 | 106° | 80° | 93° | — | — |
| 1984 | 106° | 84° | 95° | — | — |
| 1983 | 109° | 80° | 95° | — | — |
| 1982 | 107° | 81° | 94° | — | — |
| 1981 | 107° | 75° | 91° | — | — |
| 1980 | 105° | 60° | 83° | — | — |
| 1979 | 104° | 63° | 83° | — | — |
| 1978 | 107° | 68° | 88° | — | — |
| 1977 | 105° | 64° | 85° | — | — |
| 1976 | 108° | 70° | 89° | — | — |
| 1975 | 110° | 63° | 86° | — | — |
| 1974 | 110° | 67° | 88° | — | — |
| 1973 | 104° | 73° | 89° | — | — |
| 1972 | 105° | 71° | 88° | — | — |
| 1971 | 110° | 72° | 91° | 0.05" | — |
55 years of data from TEMPE ASU