Weather on May 20
Tucson, AZ
55 Years of Data
Avg High
92°F
Avg Low
63°F
Warmest
1996
86°F avg
Coldest
1974
61°F avg
About This Date
May 20th in Tucson, AZ typically brings hot spring weather, with average highs around 92°F and lows near 63°F — a 29°F daily swing. Over 55 years of records, the warmest May 20th was in 1996 (86°F average), while the coldest was 1974 (61°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 9% of May 20th dates historically, with the wettest May 20th recording 0.61" of rain. The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
Planning for May 20th in Tucson, 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 | 95° | 60° | 78° | — | — |
| 2024 | 92° | 63° | 77° | — | — |
| 2023 | 94° | 63° | 78° | — | — |
| 2022 | 94° | 66° | 80° | — | — |
| 2021 | 97° | 71° | 84° | — | — |
| 2020 | 86° | 56° | 71° | — | — |
| 2019 | 71° | 56° | 63° | 0.03" | — |
| 2018 | 95° | 61° | 78° | — | — |
| 2017 | 91° | 54° | 72° | — | — |
| 2016 | 94° | 67° | 80° | — | — |
| 2015 | 92° | 58° | 75° | — | — |
| 2014 | 96° | 67° | 81° | — | — |
| 2013 | 93° | 65° | 79° | — | — |
| 2012 | 100° | 58° | 79° | — | — |
| 2011 | 83° | 49° | 66° | — | — |
| 2010 | 94° | 59° | 76° | — | — |
| 2009 | 86° | 77° | 82° | — | — |
| 2008 | 105° | 66° | 86° | — | — |
| 2007 | 96° | 65° | 80° | — | — |
| 2006 | 99° | 72° | 85° | — | — |
| 2005 | 104° | 68° | 86° | — | — |
| 2004 | 96° | 66° | 81° | — | — |
| 2003 | 99° | 66° | 82° | — | — |
| 2002 | 94° | 64° | 79° | — | — |
| 2001 | 71° | 67° | 69° | — | — |
| 2000 | 95° | 63° | 79° | — | — |
| 1999 | 93° | 59° | 76° | — | — |
| 1998 | 93° | 73° | 83° | — | — |
| 1997 | 84° | 68° | 76° | 0.56" | — |
| 1996warmest | 101° | 72° | 86° | — | — |
| 1995 | 96° | 67° | 81° | — | — |
| 1994 | 88° | 61° | 74° | — | — |
| 1993 | 98° | 72° | 85° | — | — |
| 1992 | 91° | 68° | 80° | — | — |
| 1991 | 95° | 70° | 82° | — | — |
| 1990 | 88° | 59° | 73° | — | — |
| 1989 | 100° | 65° | 82° | — | — |
| 1988 | 88° | 64° | 76° | — | — |
| 1987 | 79° | 63° | 71° | 0.28" | — |
| 1986 | 101° | 68° | 84° | — | — |
| 1985 | 90° | 64° | 77° | — | — |
| 1984 | 97° | 65° | 81° | — | — |
| 1983 | 82° | 60° | 71° | — | — |
| 1982 | 94° | 62° | 78° | — | — |
| 1981 | 84° | 63° | 73° | — | — |
| 1980 | 99° | 66° | 82° | — | — |
| 1979 | 72° | 57° | 64° | 0.25" | — |
| 1978 | 97° | 65° | 81° | — | — |
| 1977 | 85° | 61° | 73° | — | — |
| 1976 | 92° | 69° | 80° | 0.61" | — |
| 1975 | 85° | 64° | 74° | — | — |
| 1974coldest | 78° | 45° | 61° | — | — |
| 1973 | 98° | 69° | 84° | — | — |
| 1972 | 91° | 55° | 73° | — | — |
| 1971 | 93° | 51° | 72° | — | — |
55 years of data from TUCSON WFO