Weather on May 20
Glendale, AZ
55 Years of Data
Avg High
95°F
Avg Low
66°F
Warmest
2008
94°F avg
Coldest
1974
63°F avg
About This Date
May 20th in Glendale, AZ typically brings hot spring weather, with average highs around 95°F and lows near 66°F — a 29°F daily swing. Over 54 years of records, the warmest May 20th was in 2008 (94°F average), while the coldest was 1974 (63°F) — a 31°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 1.14" of rain. The last decade has been 4.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.7°F cooler on this date compared to 20-30 years ago.
Planning for May 20th in Glendale, AZ? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 97° | 70° | 83° | — | — |
| 2024 | 98° | 70° | 84° | — | — |
| 2023 | 97° | 66° | 81° | — | — |
| 2022 | 95° | 67° | 81° | — | — |
| 2021 | 96° | 70° | 83° | — | — |
| 2020 | 86° | 55° | 71° | — | — |
| 2019 | 74° | 56° | 65° | — | — |
| 2018 | 96° | 66° | 81° | — | — |
| 2016 | 98° | 71° | 85° | — | — |
| 2015 | 91° | 61° | 76° | — | — |
| 2014 | 97° | 68° | 82° | — | — |
| 2013 | 96° | 71° | 84° | — | — |
| 2012 | 104° | 67° | 85° | — | — |
| 2011 | 87° | 58° | 72° | — | — |
| 2010 | 97° | 65° | 81° | — | — |
| 2009 | 104° | 84° | 94° | — | — |
| 2008warmest | 109° | 78° | 94° | — | — |
| 2007 | 98° | 70° | 84° | — | — |
| 2006 | 103° | 74° | 88° | — | — |
| 2005 | 105° | 69° | 87° | — | — |
| 2004 | 98° | 68° | 83° | — | — |
| 2003 | 102° | 68° | 85° | — | — |
| 2002 | 97° | 65° | 81° | — | — |
| 2001 | 98° | 71° | 85° | 0.08" | — |
| 2000 | 103° | 69° | 86° | — | — |
| 1999 | 97° | 64° | 80° | — | — |
| 1998 | 86° | 78° | 82° | — | — |
| 1997 | 91° | 76° | 83° | — | — |
| 1996 | 100° | 75° | 88° | — | — |
| 1995 | 96° | 66° | 81° | — | — |
| 1994 | 89° | 62° | 76° | — | — |
| 1993 | 100° | 75° | 88° | — | — |
| 1992 | 90° | 71° | 80° | 0.36" | — |
| 1991 | 93° | 69° | 81° | — | — |
| 1990 | 89° | 64° | 77° | — | — |
| 1989 | 100° | 70° | 85° | — | — |
| 1988 | 95° | 71° | 83° | — | — |
| 1987 | 91° | 71° | 81° | — | — |
| 1986 | 104° | 74° | 89° | — | — |
| 1985 | 95° | 68° | 82° | — | — |
| 1984 | 102° | 65° | 83° | — | — |
| 1983 | 87° | 63° | 75° | — | — |
| 1982 | 95° | 59° | 77° | — | — |
| 1981 | 78° | 65° | 71° | 0.1" | — |
| 1980 | 102° | 62° | 82° | — | — |
| 1979 | 83° | 58° | 70° | 1.14" | — |
| 1978 | 97° | 59° | 78° | — | — |
| 1977 | 89° | 55° | 72° | — | — |
| 1976 | 94° | 63° | 78° | 0.05" | — |
| 1975 | 86° | 57° | 72° | — | — |
| 1974coldest | 82° | 44° | 63° | — | — |
| 1973 | 99° | 71° | 85° | — | — |
| 1972 | 81° | 51° | 66° | — | — |
| 1971 | 93° | 49° | 71° | — | — |
54 years of data from ALHAMBRA