Weather on July 21
Tucson, AZ
55 Years of Data
Avg High
99°F
Avg Low
77°F
Warmest
2006
96°F avg
Coldest
1986
76°F avg
About This Date
July 21st in Tucson, AZ typically brings hot summer weather, with average highs around 99°F and lows near 77°F. Over 55 years of records, the warmest July 21st was in 2006 (96°F average), while the coldest was 1986 (76°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 27% of July 21st dates historically, with the wettest July 21st recording 1.12" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for July 21st in Tucson, AZ? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 74° | 83° | 0.33" | — |
| 2024 | 103° | 79° | 91° | 0.25" | — |
| 2023 | 110° | 83° | 96° | — | — |
| 2022 | 106° | 80° | 93° | — | — |
| 2021 | 102° | 79° | 90° | — | — |
| 2020 | 103° | 76° | 89° | — | — |
| 2019 | 104° | 81° | 92° | — | — |
| 2018 | 98° | 75° | 87° | 0.05" | — |
| 2017 | 96° | 74° | 85° | 1.12" | — |
| 2016 | 107° | 79° | 93° | — | — |
| 2015 | 102° | 77° | 90° | — | — |
| 2014 | 102° | 81° | 91° | — | — |
| 2013 | 92° | 75° | 83° | — | — |
| 2012 | 96° | 71° | 84° | — | — |
| 2011 | 103° | 73° | 88° | — | — |
| 2010 | 101° | 81° | 91° | — | — |
| 2009 | 104° | 78° | 91° | — | — |
| 2008 | 95° | 74° | 84° | — | — |
| 2007 | 93° | 74° | 83° | 0.28" | — |
| 2006warmest | 109° | 83° | 96° | — | — |
| 2005 | 106° | 82° | 94° | 0.03" | — |
| 2004 | 103° | 83° | 93° | — | — |
| 2003 | 100° | 77° | 89° | — | — |
| 2002 | 98° | 79° | 88° | — | — |
| 2001 | 94° | 79° | 86° | — | — |
| 2000 | 101° | 82° | 91° | — | — |
| 1999 | 96° | 78° | 87° | — | — |
| 1998 | 88° | 70° | 79° | 0.23" | — |
| 1997 | 90° | 78° | 84° | — | — |
| 1996 | 104° | 84° | 94° | — | — |
| 1995 | 104° | 82° | 93° | — | — |
| 1994 | 104° | 81° | 92° | — | — |
| 1993 | 99° | 80° | 89° | — | — |
| 1992 | 104° | 81° | 92° | 0.58" | — |
| 1991 | 101° | 77° | 89° | — | — |
| 1990 | 96° | 78° | 87° | — | — |
| 1989 | 102° | 76° | 89° | — | — |
| 1988 | 100° | 79° | 89° | — | — |
| 1987 | 104° | 81° | 92° | — | — |
| 1986coldest | 84° | 68° | 76° | 0.97" | — |
| 1985 | 98° | 76° | 87° | 0.03" | — |
| 1984 | 91° | 70° | 80° | 0.48" | — |
| 1983 | 89° | 72° | 80° | 0.05" | — |
| 1982 | 102° | 78° | 90° | — | — |
| 1981 | 102° | 75° | 89° | 0.48" | — |
| 1980 | 104° | 80° | 92° | 0.03" | — |
| 1979 | 98° | 74° | 86° | — | — |
| 1978 | 96° | 79° | 87° | — | — |
| 1977 | 97° | 80° | 88° | — | — |
| 1976 | 95° | 72° | 83° | — | — |
| 1975 | 99° | 77° | 88° | — | — |
| 1974 | 91° | 71° | 81° | 0.03" | — |
| 1973 | 105° | 75° | 90° | — | — |
| 1972 | 104° | 76° | 90° | — | — |
| 1971 | 102° | 78° | 90° | — | — |
55 years of data from TUCSON WFO