Weather on July 18
Tucson, AZ
55 Years of Data
Avg High
100°F
Avg Low
77°F
Warmest
1997
97°F avg
Coldest
1999
79°F avg
About This Date
July 18th in Tucson, AZ typically brings hot summer weather, with average highs around 100°F and lows near 77°F. Over 55 years of records, the warmest July 18th was in 1997 (97°F average), while the coldest was 1999 (79°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 35% of July 18th dates historically, with the wettest July 18th recording 1.45" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for July 18th in Tucson, AZ? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 101° | 76° | 88° | — | — |
| 2024 | 107° | 78° | 93° | 1.45" | — |
| 2023 | 112° | 80° | 96° | — | — |
| 2022 | 105° | 80° | 93° | — | — |
| 2021 | 93° | 74° | 83° | 0.18" | — |
| 2020 | 101° | 82° | 91° | — | — |
| 2019 | 103° | 80° | 91° | — | — |
| 2018 | 95° | 77° | 86° | — | — |
| 2017 | 95° | 75° | 85° | 0.03" | — |
| 2016 | 98° | 76° | 87° | — | — |
| 2015 | 93° | 76° | 84° | — | — |
| 2014 | 98° | 76° | 87° | — | — |
| 2013 | 98° | 80° | 89° | — | — |
| 2012 | 100° | 73° | 87° | — | — |
| 2011 | 104° | 77° | 91° | 0.08" | — |
| 2010 | 105° | 77° | 91° | 0.03" | — |
| 2009 | 106° | 77° | 91° | — | — |
| 2008 | 105° | 77° | 91° | — | — |
| 2007 | 107° | 80° | 94° | 0.1" | — |
| 2006 | 104° | 80° | 92° | 0.1" | — |
| 2005 | 107° | 75° | 91° | 1.27" | — |
| 2004 | 103° | 78° | 90° | — | — |
| 2003 | 94° | 71° | 82° | 0.25" | — |
| 2002 | 95° | 76° | 85° | — | — |
| 2001 | 97° | 76° | 86° | 0.13" | — |
| 2000 | 106° | 78° | 92° | — | — |
| 1999coldest | 88° | 70° | 79° | 0.1" | — |
| 1998 | 100° | 81° | 90° | 0.03" | — |
| 1997warmest | 107° | 86° | 97° | — | — |
| 1996 | 104° | 78° | 91° | — | — |
| 1995 | 96° | 75° | 86° | 0.08" | — |
| 1994 | 93° | 77° | 85° | — | — |
| 1993 | 101° | 78° | 89° | — | — |
| 1992 | 110° | 81° | 95° | — | — |
| 1991 | 102° | 80° | 91° | — | — |
| 1990 | 103° | 77° | 90° | — | — |
| 1989 | 108° | 80° | 94° | — | — |
| 1988 | 98° | 71° | 85° | 0.1" | — |
| 1987 | 97° | 80° | 88° | — | — |
| 1986 | 92° | 74° | 83° | — | — |
| 1985 | 88° | 73° | 80° | 0.1" | — |
| 1984 | 95° | 71° | 83° | 1.3" | — |
| 1983 | 106° | 78° | 92° | — | — |
| 1982 | 96° | 76° | 86° | — | — |
| 1981 | 99° | 76° | 87° | — | — |
| 1980 | 104° | 83° | 93° | — | — |
| 1979 | 96° | 76° | 86° | 0.84" | — |
| 1978 | 105° | 81° | 93° | — | — |
| 1977 | 99° | 74° | 86° | — | — |
| 1976 | 93° | 75° | 84° | 0.1" | — |
| 1975 | 96° | 74° | 85° | — | — |
| 1974 | 96° | 72° | 84° | 0.66" | — |
| 1973 | 99° | 72° | 85° | — | — |
| 1972 | 95° | 77° | 86° | — | — |
| 1971 | 101° | 76° | 88° | — | — |
55 years of data from TUCSON WFO