Weather on May 15
Tempe, AZ
55 Years of Data
Avg High
96°F
Avg Low
61°F
Warmest
1997
87°F avg
Coldest
1977
66°F avg
About This Date
May 15th in Tempe, AZ typically brings hot spring weather, with average highs around 96°F and lows near 61°F — a 35°F daily swing. Over 55 years of records, the warmest May 15th was in 1997 (87°F average), while the coldest was 1977 (66°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 15th dates historically, with the wettest May 15th recording 0.66" of rain. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for May 15th in Tempe, AZ? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 54° | 72° | — | — |
| 2024 | 98° | 62° | 80° | — | — |
| 2023 | 104° | 64° | 84° | — | — |
| 2022 | 105° | 55° | 80° | — | — |
| 2021 | 98° | 69° | 84° | — | — |
| 2020 | 93° | 61° | 77° | — | — |
| 2019 | 97° | — | — | — | — |
| 2018 | 94° | 59° | 76° | — | — |
| 2017 | — | 60° | — | — | — |
| 2016 | — | 64° | — | — | — |
| 2015 | — | 58° | — | 0.66" | — |
| 2014 | 97° | 55° | 76° | — | — |
| 2013 | 100° | 65° | 82° | — | — |
| 2012 | 103° | 53° | 78° | — | — |
| 2011 | 94° | 59° | 76° | — | — |
| 2010 | 93° | 60° | 77° | — | — |
| 2009 | 99° | 64° | 81° | — | — |
| 2008 | 93° | 57° | 75° | 0.05" | — |
| 2007 | 100° | 65° | 82° | — | — |
| 2006 | 104° | 62° | 83° | — | — |
| 2005 | 98° | 67° | 82° | — | — |
| 2004 | 100° | 66° | 83° | — | — |
| 2003 | 88° | 62° | 75° | — | — |
| 2002 | 99° | 68° | 83° | — | — |
| 2001 | 99° | 67° | 83° | — | — |
| 2000 | 96° | 64° | 80° | — | — |
| 1999 | 89° | 60° | 75° | — | — |
| 1998 | 83° | 54° | 68° | — | — |
| 1997warmest | 100° | 73° | 87° | — | — |
| 1996 | 98° | 71° | 85° | — | — |
| 1995 | 87° | 60° | 74° | — | — |
| 1994 | 100° | 68° | 84° | — | — |
| 1993 | 97° | 70° | 83° | — | — |
| 1992 | 98° | 68° | 83° | — | — |
| 1991 | 87° | 58° | 72° | — | — |
| 1990 | 90° | 60° | 75° | — | — |
| 1989 | 83° | 62° | 72° | — | — |
| 1988 | 102° | 69° | 86° | — | — |
| 1987 | 97° | 71° | 84° | — | — |
| 1986 | 93° | 63° | 78° | — | — |
| 1985 | 97° | 63° | 80° | — | — |
| 1984 | 96° | 65° | 80° | 0.08" | — |
| 1983 | 89° | 57° | 73° | — | — |
| 1982 | 90° | 61° | 75° | — | — |
| 1981 | 97° | 55° | 76° | — | — |
| 1980 | 86° | 49° | 67° | — | — |
| 1979 | 103° | 57° | 80° | — | — |
| 1978 | 101° | 56° | 78° | — | — |
| 1977coldest | 88° | 45° | 66° | — | — |
| 1976 | 107° | 59° | 83° | — | — |
| 1975 | 102° | 55° | 79° | — | — |
| 1974 | 95° | 54° | 74° | — | — |
| 1973 | 97° | 67° | 82° | — | — |
| 1972 | 101° | 55° | 78° | — | — |
| 1971 | 99° | 56° | 77° | — | — |
55 years of data from TEMPE ASU