Weather on August 21
Tucson, AZ
55 Years of Data
Avg High
98°F
Avg Low
75°F
Warmest
1997
95°F avg
Coldest
1971
79°F avg
About This Date
August 21st in Tucson, AZ typically brings hot summer weather, with average highs around 98°F and lows near 75°F. Over 55 years of records, the warmest August 21st was in 1997 (95°F average), while the coldest was 1971 (79°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 21st dates historically, with the wettest August 21st recording 2.01" of rain. The last decade has been 3.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.5°F cooler on this date compared to 20-30 years ago.
Planning for August 21st in Tucson, AZ? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 105° | 78° | 92° | 0.03" | — |
| 2024 | 90° | 70° | 80° | 0.15" | — |
| 2023 | 92° | 68° | 80° | 2.01" | — |
| 2022 | 91° | 72° | 81° | — | — |
| 2021 | 97° | 71° | 84° | — | — |
| 2020 | 96° | 76° | 86° | — | — |
| 2019 | 110° | 78° | 94° | — | — |
| 2018 | 91° | 75° | 83° | — | — |
| 2017 | 99° | 74° | 86° | — | — |
| 2016 | 93° | 70° | 81° | 0.05" | — |
| 2015 | 99° | 78° | 88° | — | — |
| 2014 | 86° | 71° | 79° | 0.03" | — |
| 2013 | 98° | 78° | 88° | — | — |
| 2012 | 99° | 69° | 84° | 1.27" | — |
| 2011 | 102° | 75° | 89° | — | — |
| 2010 | 102° | 81° | 91° | — | — |
| 2009 | 101° | 79° | 90° | 0.48" | — |
| 2008 | 103° | 72° | 87° | — | — |
| 2007 | 102° | 79° | 90° | — | — |
| 2006 | 97° | 81° | 89° | 0.18" | — |
| 2005 | 102° | 79° | 90° | — | — |
| 2004 | 96° | 70° | 83° | — | — |
| 2003 | 96° | 77° | 87° | — | — |
| 2002 | 95° | 77° | 86° | — | — |
| 2001 | 100° | 75° | 88° | — | — |
| 2000 | 99° | 77° | 88° | 0.1" | — |
| 1999 | 101° | 72° | 86° | — | — |
| 1998 | 98° | 82° | 90° | — | — |
| 1997warmest | 106° | 84° | 95° | — | — |
| 1996 | 100° | 78° | 89° | — | — |
| 1995 | 97° | 71° | 84° | — | — |
| 1994 | 100° | 84° | 92° | 0.13" | — |
| 1993 | 102° | 79° | 90° | 0.3" | — |
| 1992 | 96° | 75° | 86° | — | — |
| 1991 | 101° | 80° | 90° | — | — |
| 1990 | 96° | 69° | 83° | — | — |
| 1989 | 97° | 78° | 87° | — | — |
| 1988 | 90° | 72° | 81° | — | — |
| 1987 | 98° | 74° | 86° | 0.05" | — |
| 1986 | 102° | 79° | 90° | — | — |
| 1985 | 99° | 76° | 87° | — | — |
| 1984 | 95° | 70° | 82° | — | — |
| 1983 | 95° | 71° | 83° | — | — |
| 1982 | 98° | 75° | 87° | — | — |
| 1981 | 101° | 81° | 91° | — | — |
| 1980 | 101° | 72° | 86° | — | — |
| 1979 | 99° | 66° | 82° | — | — |
| 1978 | 101° | 78° | 89° | — | — |
| 1977 | 97° | 78° | 87° | 0.13" | — |
| 1976 | 102° | 78° | 90° | — | — |
| 1975 | 99° | 70° | 84° | 0.03" | — |
| 1974 | 98° | 74° | 86° | — | — |
| 1973 | 102° | 78° | 90° | — | — |
| 1972 | 101° | 72° | 86° | — | — |
| 1971coldest | 89° | 68° | 79° | 0.56" | — |
55 years of data from TUCSON WFO