Weather on August 11
Tempe, AZ
55 Years of Data
Avg High
105°F
Avg Low
78°F
Warmest
2003
99°F avg
Coldest
1991
83°F avg
About This Date
August 11th in Tempe, AZ typically brings hot summer weather, with average highs around 105°F and lows near 78°F — a 27°F daily swing. Over 55 years of records, the warmest August 11th was in 2003 (99°F average), while the coldest was 1991 (83°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 22% of August 11th dates historically, with the wettest August 11th recording 1.65" 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 11th in Tempe, AZ? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 110° | — | — | — | — |
| 2024 | 109° | 80° | 95° | — | — |
| 2023 | 107° | 77° | 92° | — | — |
| 2022 | 104° | 75° | 90° | — | — |
| 2021 | 98° | 73° | 86° | — | — |
| 2020 | 108° | 78° | 93° | — | — |
| 2019 | 101° | 79° | 90° | — | — |
| 2018 | 100° | 76° | 88° | 0.33" | — |
| 2017 | 105° | 78° | 92° | — | — |
| 2016 | 101° | 76° | 88° | 0.15" | — |
| 2015 | 103° | 75° | 89° | 0.1" | — |
| 2014 | 106° | 75° | 90° | — | — |
| 2013 | 104° | 67° | 85° | — | — |
| 2012 | 109° | 78° | 94° | — | — |
| 2011 | 102° | 79° | 90° | — | — |
| 2010 | 107° | 80° | 94° | — | — |
| 2009 | 101° | 74° | 87° | — | — |
| 2008 | 105° | 81° | 93° | — | — |
| 2007 | 107° | 81° | 94° | — | — |
| 2006 | 104° | 79° | 91° | — | — |
| 2005 | 97° | 78° | 87° | — | — |
| 2004 | 109° | 83° | 96° | — | — |
| 2003warmest | 110° | 89° | 99° | — | — |
| 2002 | 109° | 84° | 97° | — | — |
| 2001 | 106° | 85° | 95° | — | — |
| 2000 | 105° | 89° | 97° | — | — |
| 1999 | 98° | 72° | 85° | — | — |
| 1998 | 106° | 85° | 95° | — | — |
| 1997 | 101° | 83° | 92° | — | — |
| 1996 | 109° | 83° | 96° | — | — |
| 1995 | 109° | 77° | 93° | 0.76" | — |
| 1994 | 111° | 84° | 98° | — | — |
| 1993 | 108° | 75° | 91° | — | — |
| 1992 | 105° | 81° | 93° | — | — |
| 1991coldest | 94° | 73° | 83° | 0.15" | — |
| 1990 | 105° | 83° | 94° | — | — |
| 1989 | 100° | 78° | 89° | — | — |
| 1988 | 105° | 80° | 93° | — | — |
| 1987 | 97° | 74° | 85° | 0.64" | — |
| 1986 | 103° | 82° | 92° | — | — |
| 1985 | 103° | 81° | 92° | — | — |
| 1984 | 97° | 79° | 88° | 0.13" | — |
| 1983 | 98° | 76° | 87° | — | — |
| 1982 | 106° | 81° | 93° | — | — |
| 1981 | 105° | 72° | 88° | 0.03" | — |
| 1980 | 108° | 69° | 88° | 1.65" | — |
| 1979 | 106° | 74° | 90° | 0.28" | — |
| 1978 | 104° | 71° | 88° | 0.08" | — |
| 1977 | 108° | 73° | 90° | — | — |
| 1976 | 108° | 72° | 90° | — | — |
| 1975 | 110° | 80° | 95° | — | — |
| 1974 | 103° | 65° | 84° | — | — |
| 1973 | 107° | 71° | 89° | — | — |
| 1972 | 106° | 76° | 91° | — | — |
| 1971 | 102° | 69° | 86° | 0.79" | — |
55 years of data from TEMPE ASU