Weather on April 20
Tempe, AZ
55 Years of Data
Avg High
87°F
Avg Low
53°F
Warmest
1989
86°F avg
Coldest
1971
53°F avg
About This Date
April 20th in Tempe, AZ typically brings warm spring weather, with average highs around 87°F and lows near 53°F — a 34°F daily swing. Over 55 years of records, the warmest April 20th was in 1989 (86°F average), while the coldest was 1971 (53°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 4% of April 20th dates historically. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for April 20th in Tempe, AZ? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 52° | 68° | — | — |
| 2024 | 96° | 68° | 82° | — | — |
| 2023 | 86° | 49° | 67° | — | — |
| 2022 | — | 55° | — | — | — |
| 2021 | 93° | 51° | 72° | — | — |
| 2020 | 87° | 56° | 71° | — | — |
| 2019 | 100° | — | — | — | — |
| 2018 | — | 65° | — | — | — |
| 2017 | 91° | 50° | 71° | — | — |
| 2016 | 93° | 51° | 72° | — | — |
| 2015 | 90° | 42° | 66° | — | — |
| 2014 | 90° | 53° | 71° | — | — |
| 2013 | 89° | 45° | 67° | — | — |
| 2012 | 96° | 69° | 83° | — | — |
| 2011 | 89° | 53° | 71° | — | — |
| 2010 | 88° | 57° | 72° | — | — |
| 2009 | 91° | 70° | 80° | — | — |
| 2008 | — | 55° | — | — | — |
| 2007 | — | 44° | — | — | — |
| 2006 | 91° | 49° | 70° | — | — |
| 2005 | 79° | 59° | 69° | — | — |
| 2004 | 82° | 55° | 69° | — | — |
| 2003 | 88° | 55° | 71° | — | — |
| 2002 | 78° | 51° | 65° | — | — |
| 2001 | 87° | 50° | 69° | — | — |
| 2000 | 90° | 55° | 72° | — | — |
| 1999 | 96° | 49° | 72° | — | — |
| 1998 | 90° | 53° | 71° | — | — |
| 1997 | 94° | 60° | 77° | — | — |
| 1996 | 82° | 53° | 68° | — | — |
| 1995 | 71° | 44° | 58° | 0.08" | — |
| 1994 | 100° | 54° | 77° | — | — |
| 1993 | 91° | 56° | 73° | — | — |
| 1992 | 84° | 53° | 69° | — | — |
| 1991 | 89° | 55° | 72° | — | — |
| 1990 | 92° | 60° | 76° | — | — |
| 1989warmest | 105° | 66° | 86° | — | — |
| 1988 | 84° | 59° | 72° | — | — |
| 1987 | 87° | 56° | 71° | — | — |
| 1986 | 91° | 56° | 73° | — | — |
| 1985 | 82° | 54° | 68° | — | — |
| 1984 | 77° | 54° | 65° | — | — |
| 1983 | 80° | 56° | 68° | 0.08" | — |
| 1982 | 89° | 55° | 72° | — | — |
| 1981 | 82° | 49° | 65° | — | — |
| 1980 | 103° | 56° | 79° | — | — |
| 1979 | 83° | 44° | 63° | — | — |
| 1978 | 92° | 41° | 66° | — | — |
| 1977 | 88° | 54° | 71° | — | — |
| 1976 | 81° | 45° | 63° | — | — |
| 1975 | 80° | 41° | 61° | — | — |
| 1974 | 80° | 41° | 61° | — | — |
| 1973 | 78° | 51° | 65° | — | — |
| 1972 | 75° | 48° | 62° | — | — |
| 1971coldest | 70° | 36° | 53° | — | — |
55 years of data from TEMPE ASU