Weather on March 20
Phoenix, AZ
55 Years of Data
Avg High
80°F
Avg Low
50°F
Warmest
2026
84°F avg
Coldest
1982
52°F avg
About This Date
March 20th in Phoenix, AZ typically brings warm spring weather, with average highs around 80°F and lows near 50°F — a 30°F daily swing. Over 56 years of records, the warmest March 20th was in 2026 (84°F average), while the coldest was 1982 (52°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 11% of March 20th dates historically, with the wettest March 20th recording 1.93" of rain. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for March 20th in Phoenix, AZ? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 105° | 63° | 84° | — | — |
| 2025 | 77° | 45° | 61° | — | — |
| 2024 | 78° | 50° | 64° | — | — |
| 2023 | 71° | 51° | 61° | 0.89" | — |
| 2022 | 74° | 57° | 65° | — | — |
| 2021 | 85° | 50° | 67° | — | — |
| 2020 | 68° | 43° | 55° | — | — |
| 2019 | 84° | 54° | 69° | 0.13" | — |
| 2018 | 74° | 46° | 60° | — | — |
| 2017 | 96° | 62° | 79° | — | — |
| 2016 | 90° | 56° | 73° | — | — |
| 2015 | 80° | 59° | 70° | — | — |
| 2014 | 81° | 47° | 64° | — | — |
| 2013 | 83° | 56° | 69° | — | — |
| 2012 | 68° | 39° | 54° | — | — |
| 2011 | 76° | 55° | 65° | — | — |
| 2010 | 78° | 53° | 66° | — | — |
| 2009 | 89° | 58° | 73° | — | — |
| 2008 | 83° | 49° | 66° | — | — |
| 2007 | 86° | 56° | 71° | — | — |
| 2006 | 63° | 43° | 53° | — | — |
| 2005 | 73° | 53° | 63° | — | — |
| 2004 | 93° | 59° | 76° | — | — |
| 2003 | 73° | 47° | 60° | — | — |
| 2002 | 83° | 45° | 64° | — | — |
| 2001 | 90° | 54° | 72° | — | — |
| 2000 | 83° | 60° | 71° | — | — |
| 1999 | 88° | 52° | 70° | — | — |
| 1998 | 79° | 44° | 61° | — | — |
| 1997 | 96° | 53° | 75° | — | — |
| 1996 | 90° | 51° | 70° | — | — |
| 1995 | 86° | 53° | 70° | — | — |
| 1994 | 74° | 56° | 65° | 0.28" | — |
| 1993 | 81° | 53° | 67° | — | — |
| 1992 | 80° | 45° | 62° | — | — |
| 1991 | 65° | 42° | 53° | — | — |
| 1990 | 90° | 58° | 74° | — | — |
| 1989 | 86° | 58° | 72° | — | — |
| 1988 | 86° | 45° | 65° | — | — |
| 1987 | 70° | 43° | 56° | — | — |
| 1986 | 79° | 45° | 62° | — | — |
| 1985 | 73° | 43° | 58° | — | — |
| 1984 | 88° | 47° | 67° | — | — |
| 1983 | 66° | 41° | 54° | — | — |
| 1982coldest | 67° | 37° | 52° | — | — |
| 1981 | 78° | 53° | 66° | 0.2" | — |
| 1980 | 73° | 41° | 57° | — | — |
| 1979 | 64° | 50° | 57° | 1.17" | — |
| 1978 | 85° | 55° | 70° | — | — |
| 1977 | 77° | 40° | 58° | — | — |
| 1976 | 77° | 49° | 63° | — | — |
| 1975 | 83° | 48° | 65° | — | — |
| 1974 | 74° | 54° | 64° | 1.93" | — |
| 1973 | 76° | 48° | 62° | — | — |
| 1972 | 90° | 54° | 72° | — | — |
| 1971 | 83° | 43° | 63° | — | — |
56 years of data from BEARDSLEY