Weather on March 31
Tempe, AZ
55 Years of Data
Avg High
82°F
Avg Low
50°F
Warmest
2026
83°F avg
Coldest
1973
53°F avg
About This Date
March 31st in Tempe, AZ typically brings warm spring weather, with average highs around 82°F and lows near 50°F — a 32°F daily swing. Over 56 years of records, the warmest March 31st was in 2026 (83°F average), while the coldest was 1973 (53°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 11% of March 31st dates historically, with the wettest March 31st recording 0.99" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for March 31st 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 |
|---|---|---|---|---|---|
| 2026warmest | 90° | 76° | 83° | — | — |
| 2025 | 83° | 53° | 68° | — | — |
| 2024 | 83° | — | — | 0.99" | — |
| 2023 | 73° | 40° | 56° | — | — |
| 2022 | 83° | 48° | 65° | — | — |
| 2021 | 90° | 50° | 70° | — | — |
| 2020 | 80° | 60° | 70° | — | — |
| 2019 | 84° | 49° | 66° | — | — |
| 2018 | 92° | 51° | 71° | — | — |
| 2017 | 65° | 52° | 58° | — | — |
| 2016 | 74° | 41° | 57° | — | — |
| 2015 | 97° | 54° | 75° | — | — |
| 2014 | 84° | 41° | 63° | — | — |
| 2013 | 89° | 51° | 70° | — | — |
| 2012 | 94° | 65° | 79° | — | — |
| 2011 | 92° | 53° | 72° | — | — |
| 2010 | 84° | 50° | 67° | — | — |
| 2009 | 76° | 41° | 58° | — | — |
| 2008 | 77° | 47° | 62° | — | — |
| 2007 | 82° | 48° | 65° | — | — |
| 2006 | 78° | 51° | 65° | — | — |
| 2005 | 76° | 53° | 64° | — | — |
| 2004 | 93° | 63° | 78° | 0.18" | — |
| 2003 | 90° | 47° | 68° | — | — |
| 2002 | 90° | 55° | 72° | — | — |
| 2001 | 87° | 55° | 71° | — | — |
| 2000 | 76° | 48° | 62° | 0.46" | — |
| 1999 | 85° | 53° | 69° | — | — |
| 1998 | 66° | 41° | 54° | — | — |
| 1997 | 84° | 61° | 72° | — | — |
| 1996 | 87° | 48° | 68° | — | — |
| 1995 | 79° | 50° | 64° | — | — |
| 1994 | 87° | 54° | 70° | — | — |
| 1993 | 80° | 49° | 64° | — | — |
| 1992 | 74° | 58° | 66° | 0.08" | — |
| 1991 | 82° | 49° | 65° | — | — |
| 1990 | 54° | 69° | 61° | 0.1" | — |
| 1989 | 91° | 57° | 74° | — | — |
| 1988 | 76° | 48° | 62° | — | — |
| 1987 | 85° | 45° | 65° | — | — |
| 1986 | 88° | 66° | 77° | — | — |
| 1985 | 77° | 42° | 60° | — | — |
| 1984 | 80° | 47° | 63° | — | — |
| 1983 | 87° | 54° | 70° | — | — |
| 1982 | 78° | 47° | 62° | — | — |
| 1981 | 82° | 40° | 61° | — | — |
| 1980 | 81° | 47° | 64° | — | — |
| 1979 | 74° | 37° | 55° | — | — |
| 1978 | 89° | 56° | 72° | 0.03" | — |
| 1977 | 75° | 36° | 55° | — | — |
| 1976 | 78° | 40° | 59° | — | — |
| 1975 | 73° | 36° | 54° | — | — |
| 1974 | 91° | 54° | 72° | — | — |
| 1973coldest | 69° | 37° | 53° | — | — |
| 1972 | 77° | 35° | 56° | — | — |
| 1971 | 96° | 52° | 74° | — | — |
56 years of data from TEMPE ASU