Weather on October 20
Tempe, AZ
55 Years of Data
Avg High
89°F
Avg Low
56°F
Warmest
2023
88°F avg
Coldest
1971
58°F avg
About This Date
October 20th in Tempe, AZ typically brings warm fall weather, with average highs around 89°F and lows near 56°F — a 33°F daily swing. Over 55 years of records, the warmest October 20th was in 2023 (88°F average), while the coldest was 1971 (58°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 11% of October 20th dates historically, with the wettest October 20th recording 1.27" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for October 20th in Tempe, AZ? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 56° | 72° | — | — |
| 2024 | 83° | 53° | 68° | — | — |
| 2023warmest | 104° | 71° | 88° | — | — |
| 2022 | 93° | 54° | 73° | — | — |
| 2021 | 89° | 49° | 69° | — | — |
| 2020 | 97° | 59° | 78° | — | — |
| 2019 | 97° | 48° | 72° | — | — |
| 2018 | 93° | 61° | 77° | — | — |
| 2017 | — | 56° | — | — | — |
| 2016 | 98° | 51° | 75° | — | — |
| 2015 | — | 63° | — | 0.05" | — |
| 2014 | 93° | 51° | 72° | 0.33" | — |
| 2013 | 86° | 60° | 73° | — | — |
| 2012 | 90° | 53° | 71° | — | — |
| 2011 | 94° | 55° | 74° | — | — |
| 2010 | 75° | — | — | 0.03" | — |
| 2009 | 91° | 65° | 78° | — | — |
| 2008 | 95° | 57° | 76° | — | — |
| 2007 | 94° | 61° | 77° | — | — |
| 2006 | 86° | 48° | 67° | — | — |
| 2005 | 83° | 58° | 70° | — | — |
| 2004 | 86° | 61° | 73° | — | — |
| 2003 | 100° | 62° | 81° | — | — |
| 2002 | 86° | 59° | 73° | — | — |
| 2001 | 92° | 60° | 76° | — | — |
| 2000 | — | 60° | — | — | — |
| 1999 | 90° | 59° | 74° | — | — |
| 1998 | 89° | 53° | 71° | — | — |
| 1997 | 89° | 60° | 75° | — | — |
| 1996 | 83° | 63° | 73° | — | — |
| 1995 | 97° | 55° | 76° | — | — |
| 1994 | 87° | 53° | 70° | — | — |
| 1993 | 85° | 46° | 65° | — | — |
| 1992 | 91° | 55° | 73° | — | — |
| 1991 | 97° | 62° | 79° | — | — |
| 1990 | 83° | 59° | 71° | — | — |
| 1989 | 86° | 66° | 76° | — | — |
| 1988 | 88° | 65° | 76° | — | — |
| 1987 | 94° | 59° | 76° | — | — |
| 1986 | 81° | 51° | 66° | — | — |
| 1985 | 89° | 60° | 75° | — | — |
| 1984 | 77° | 46° | 62° | — | — |
| 1983 | 88° | 60° | 74° | — | — |
| 1982 | 88° | 56° | 72° | — | — |
| 1981 | 90° | 50° | 70° | — | — |
| 1980 | 82° | 49° | 65° | — | — |
| 1979 | 89° | 58° | 73° | — | — |
| 1978 | 69° | 61° | 65° | 0.64" | — |
| 1977 | 93° | 53° | 73° | — | — |
| 1976 | 90° | 50° | 70° | — | — |
| 1975 | 93° | 55° | 74° | 0.1" | — |
| 1974 | 95° | 56° | 75° | — | — |
| 1973 | 97° | 53° | 75° | — | — |
| 1972 | 66° | 53° | 60° | 1.27" | — |
| 1971coldest | 74° | 43° | 58° | — | — |
55 years of data from TEMPE ASU