Weather on August 31
Tucson, AZ
55 Years of Data
Avg High
99°F
Avg Low
75°F
Warmest
2011
94°F avg
Coldest
2000
78°F avg
About This Date
August 31st in Tucson, AZ typically brings hot summer weather, with average highs around 99°F and lows near 75°F. Over 55 years of records, the warmest August 31st was in 2011 (94°F average), while the coldest was 2000 (78°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 22% of August 31st dates historically, with the wettest August 31st recording 1.6" 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 Tucson, AZ? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 102° | 78° | 90° | — | — |
| 2024 | 101° | 75° | 88° | 0.18" | — |
| 2023 | 103° | 77° | 90° | — | — |
| 2022 | 97° | 78° | 87° | — | — |
| 2021 | 88° | 72° | 80° | 0.46" | — |
| 2020 | 90° | 74° | 82° | — | — |
| 2019 | 102° | 78° | 90° | 0.08" | — |
| 2018 | 100° | 75° | 88° | — | — |
| 2017 | 101° | 76° | 88° | — | — |
| 2016 | 98° | 78° | 88° | — | — |
| 2015 | 98° | 74° | 86° | 0.74" | — |
| 2014 | 102° | 74° | 88° | — | — |
| 2013 | 97° | 73° | 85° | — | — |
| 2012 | 98° | 73° | 86° | — | — |
| 2011warmest | 108° | 80° | 94° | — | — |
| 2010 | 97° | 72° | 84° | — | — |
| 2009 | 104° | 77° | 91° | — | — |
| 2008 | 92° | 68° | 80° | 1.6" | — |
| 2007 | 101° | 78° | 89° | — | — |
| 2006 | 97° | 76° | 86° | 0.05" | — |
| 2005 | 100° | 79° | 89° | — | — |
| 2004 | 103° | 73° | 88° | — | — |
| 2003 | 101° | 80° | 90° | 0.03" | — |
| 2002 | 100° | 78° | 89° | — | — |
| 2001 | 97° | 74° | 85° | — | — |
| 2000coldest | 90° | 66° | 78° | — | — |
| 1999 | 91° | 76° | 83° | 1.24" | — |
| 1998 | 102° | 74° | 88° | — | — |
| 1997 | 99° | 78° | 88° | — | — |
| 1996 | 96° | 76° | 86° | — | — |
| 1995 | 104° | 78° | 91° | — | — |
| 1994 | 98° | 78° | 88° | 1.52" | — |
| 1993 | 87° | 76° | 81° | — | — |
| 1992 | 96° | 74° | 85° | — | — |
| 1991 | 97° | 72° | 84° | — | — |
| 1990 | 97° | 72° | 84° | 0.91" | — |
| 1989 | 99° | 76° | 87° | — | — |
| 1988 | 99° | 76° | 87° | — | — |
| 1987 | 99° | 74° | 86° | — | — |
| 1986 | 94° | 74° | 84° | — | — |
| 1985 | 98° | 74° | 86° | — | — |
| 1984 | 102° | 80° | 91° | — | — |
| 1983 | 104° | 78° | 91° | 0.03" | — |
| 1982 | 101° | 78° | 89° | — | — |
| 1981 | 98° | 76° | 87° | — | — |
| 1980 | 99° | 72° | 85° | — | — |
| 1979 | 104° | 74° | 89° | — | — |
| 1978 | 100° | 82° | 91° | — | — |
| 1977 | 103° | 79° | 91° | — | — |
| 1976 | 103° | 77° | 90° | — | — |
| 1975 | 106° | 76° | 91° | — | — |
| 1974 | 101° | 70° | 85° | — | — |
| 1973 | 100° | 68° | 84° | — | — |
| 1972 | 98° | 73° | 86° | 0.25" | — |
| 1971 | 99° | 76° | 87° | — | — |
55 years of data from TUCSON WFO