Weather on May 31
Phoenix, AZ
55 Years of Data
Avg High
100°F
Avg Low
67°F
Warmest
2001
92°F avg
Coldest
1988
69°F avg
About This Date
May 31st in Phoenix, AZ typically brings hot spring weather, with average highs around 100°F and lows near 67°F — a 33°F daily swing. Over 55 years of records, the warmest May 31st was in 2001 (92°F average), while the coldest was 1988 (69°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 31st dates historically, with the wettest May 31st recording 1.4" of rain. The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
Planning for May 31st in Phoenix, AZ? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 104° | 80° | 92° | — | — |
| 2024 | 104° | 69° | 87° | — | — |
| 2023 | 90° | 65° | 77° | — | — |
| 2022 | 98° | 65° | 81° | — | — |
| 2021 | 101° | 69° | 85° | — | — |
| 2020 | 106° | 78° | 92° | — | — |
| 2019 | 98° | 67° | 82° | — | — |
| 2018 | 98° | 68° | 83° | — | — |
| 2017 | 98° | 65° | 81° | — | — |
| 2016 | 99° | 66° | 82° | — | — |
| 2015 | 105° | 72° | 88° | — | — |
| 2014 | 106° | 74° | 90° | — | — |
| 2013 | 99° | 72° | 85° | — | — |
| 2012 | 108° | 68° | 88° | — | — |
| 2011 | 97° | 59° | 78° | — | — |
| 2010 | 98° | 65° | 81° | — | — |
| 2009 | 99° | 72° | 85° | — | — |
| 2008 | 98° | 65° | 81° | — | — |
| 2007 | 99° | 69° | 84° | — | — |
| 2006 | 102° | 66° | 84° | — | — |
| 2005 | 98° | 66° | 82° | — | — |
| 2004 | 104° | 67° | 85° | — | — |
| 2003 | 102° | 78° | 90° | — | — |
| 2002 | 109° | 74° | 91° | — | — |
| 2001warmest | 109° | 76° | 92° | — | — |
| 2000 | 108° | 74° | 91° | — | — |
| 1999 | 96° | 66° | 81° | — | — |
| 1998 | 98° | 72° | 85° | — | — |
| 1997 | 107° | 74° | 90° | — | — |
| 1996 | 96° | 64° | 80° | — | — |
| 1995 | 102° | 68° | 85° | — | — |
| 1994 | 103° | 80° | 91° | 0.05" | — |
| 1993 | 100° | 67° | 83° | — | — |
| 1992 | 101° | 71° | 86° | — | — |
| 1991 | 92° | 62° | 77° | — | — |
| 1990 | 91° | 64° | 78° | — | — |
| 1989 | 92° | 60° | 76° | — | — |
| 1988coldest | 86° | 51° | 69° | — | — |
| 1987 | 98° | 67° | 82° | — | — |
| 1986 | 96° | 72° | 84° | 0.05" | — |
| 1985 | 90° | 66° | 78° | — | — |
| 1984 | 106° | 75° | 90° | — | — |
| 1983 | 101° | 72° | 86° | — | — |
| 1982 | 101° | 59° | 80° | — | — |
| 1981 | 100° | 72° | 86° | — | — |
| 1980 | 90° | 56° | 73° | — | — |
| 1979 | 100° | 65° | 82° | — | — |
| 1978 | 102° | 64° | 83° | — | — |
| 1977 | 108° | 67° | 87° | — | — |
| 1976 | 96° | 62° | 79° | — | — |
| 1975 | 100° | 60° | 80° | — | — |
| 1974 | 98° | 61° | 79° | — | — |
| 1973 | 101° | 57° | 79° | 1.4" | — |
| 1972 | 97° | 68° | 82° | — | — |
| 1971 | 91° | 57° | 74° | — | — |
55 years of data from BEARDSLEY