Weather on July 31
Tucson, AZ
55 Years of Data
Avg High
99°F
Avg Low
75°F
Warmest
2020
96°F avg
Coldest
2006
79°F avg
About This Date
July 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 July 31st was in 2020 (96°F average), while the coldest was 2006 (79°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 33% of July 31st dates historically, with the wettest July 31st recording 3.66" 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 Tucson, AZ? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 104° | 81° | 92° | — | — |
| 2024 | 98° | 76° | 87° | 0.25" | — |
| 2023 | 101° | 73° | 87° | 1.9" | — |
| 2022 | 98° | 70° | 84° | 0.71" | — |
| 2021 | 94° | 71° | 82° | — | — |
| 2020warmest | 110° | 82° | 96° | — | — |
| 2019 | 94° | 72° | 83° | 0.94" | — |
| 2018 | 102° | 79° | 90° | — | — |
| 2017 | 99° | 75° | 87° | — | — |
| 2016 | 93° | 69° | 81° | 1.78" | — |
| 2015 | 100° | 77° | 89° | 0.03" | — |
| 2014 | 98° | 82° | 90° | — | — |
| 2013 | 101° | 81° | 91° | — | — |
| 2012 | 96° | 71° | 84° | — | — |
| 2011 | 103° | 73° | 88° | — | — |
| 2010 | 92° | 69° | 80° | 0.89" | — |
| 2009 | 104° | 74° | 89° | — | — |
| 2008 | 106° | 74° | 90° | — | — |
| 2007 | 91° | 69° | 80° | 3.66" | — |
| 2006coldest | 90° | 69° | 79° | 2.95" | — |
| 2005 | 93° | 70° | 81° | 0.56" | — |
| 2004 | 102° | 78° | 90° | — | — |
| 2003 | 95° | 76° | 85° | 0.1" | — |
| 2002 | 94° | 77° | 85° | — | — |
| 2001 | 92° | 74° | 83° | 0.53" | — |
| 2000 | 101° | 76° | 88° | — | — |
| 1999 | 97° | 74° | 85° | — | — |
| 1998 | 94° | 76° | 85° | 0.25" | — |
| 1997 | 106° | 81° | 93° | — | — |
| 1996 | 108° | 80° | 94° | — | — |
| 1995 | 105° | 80° | 93° | — | — |
| 1994 | 102° | 82° | 92° | — | — |
| 1993 | 108° | 82° | 95° | — | — |
| 1992 | 94° | 78° | 86° | — | — |
| 1991 | 95° | 76° | 85° | — | — |
| 1990 | 99° | 68° | 83° | 1.07" | — |
| 1989 | 100° | 78° | 89° | — | — |
| 1988 | 91° | 74° | 82° | — | — |
| 1987 | 98° | 79° | 88° | — | — |
| 1986 | 107° | 79° | 93° | — | — |
| 1985 | 100° | 75° | 88° | 0.1" | — |
| 1984 | 100° | 70° | 85° | 2.13" | — |
| 1983 | 101° | 77° | 89° | — | — |
| 1982 | 99° | 76° | 87° | — | — |
| 1981 | 93° | 73° | 83° | — | — |
| 1980 | 103° | 79° | 91° | — | — |
| 1979 | 98° | 77° | 88° | — | — |
| 1978 | 101° | 73° | 87° | — | — |
| 1977 | 102° | 77° | 90° | 0.43" | — |
| 1976 | 98° | 71° | 85° | — | — |
| 1975 | 101° | 75° | 88° | — | — |
| 1974 | 99° | 76° | 87° | — | — |
| 1973 | 103° | 76° | 89° | 0.03" | — |
| 1972 | 109° | 80° | 95° | — | — |
| 1971 | 98° | 69° | 84° | — | — |
55 years of data from TUCSON WFO