Weather on March 31
Tucson, AZ
55 Years of Data
Avg High
79°F
Avg Low
51°F
Warmest
2026
79°F avg
Coldest
1998
50°F avg
About This Date
March 31st in Tucson, AZ typically brings pleasant spring weather, with average highs around 79°F and lows near 51°F — a 28°F daily swing. Over 56 years of records, the warmest March 31st was in 2026 (79°F average), while the coldest was 1998 (50°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 7% of March 31st dates historically, with the wettest March 31st recording 0.71" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for March 31st in Tucson, AZ? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 91° | 67° | 79° | — | — |
| 2025 | 81° | 52° | 66° | — | — |
| 2024 | 67° | 50° | 58° | 0.71" | — |
| 2023 | 71° | 42° | 57° | — | — |
| 2022 | 80° | 50° | 65° | — | — |
| 2021 | 88° | 49° | 68° | — | — |
| 2020 | 82° | 46° | 64° | — | — |
| 2019 | 79° | 46° | 62° | — | — |
| 2018 | 88° | 56° | 72° | — | — |
| 2017 | 70° | 51° | 60° | — | — |
| 2016 | 65° | 40° | 52° | — | — |
| 2015 | 90° | 59° | 74° | — | — |
| 2014 | 83° | 48° | 65° | — | — |
| 2013 | 86° | 53° | 70° | — | — |
| 2012 | 90° | 58° | 74° | — | — |
| 2011 | 89° | 52° | 70° | — | — |
| 2010 | 86° | 58° | 72° | — | — |
| 2009 | 76° | 41° | 58° | — | — |
| 2008 | 77° | 51° | 64° | — | — |
| 2007 | 79° | 47° | 63° | — | — |
| 2006 | 82° | 53° | 68° | — | — |
| 2005 | 68° | 47° | 57° | — | — |
| 2004 | 88° | 63° | 75° | 0.38" | — |
| 2003 | 89° | 59° | 74° | — | — |
| 2002 | 88° | 52° | 70° | — | — |
| 2001 | 83° | 54° | 68° | — | — |
| 2000 | 65° | 52° | 58° | — | — |
| 1999 | 79° | 58° | 68° | — | — |
| 1998coldest | 62° | 37° | 50° | — | — |
| 1997 | 76° | 60° | 68° | 0.3" | — |
| 1996 | 88° | 48° | 68° | — | — |
| 1995 | 78° | 46° | 62° | — | — |
| 1994 | 84° | 54° | 69° | — | — |
| 1993 | 81° | 55° | 68° | — | — |
| 1992 | 72° | 56° | 64° | — | — |
| 1991 | 82° | 54° | 68° | — | — |
| 1990 | 66° | 49° | 57° | 0.18" | — |
| 1989 | 90° | 54° | 72° | — | — |
| 1988 | 63° | 52° | 57° | — | — |
| 1987 | 83° | 41° | 62° | — | — |
| 1986 | 83° | 65° | 74° | — | — |
| 1985 | 74° | 41° | 57° | — | — |
| 1984 | 81° | 50° | 65° | — | — |
| 1983 | 82° | 52° | 67° | — | — |
| 1982 | 80° | 48° | 64° | — | — |
| 1981 | 81° | 54° | 67° | — | — |
| 1980 | 66° | 49° | 57° | — | — |
| 1979 | 68° | 44° | 56° | — | — |
| 1978 | 90° | 60° | 75° | — | — |
| 1977 | 76° | 46° | 61° | — | — |
| 1976 | 87° | 43° | 65° | — | — |
| 1975 | 72° | 46° | 59° | — | — |
| 1974 | 76° | 56° | 66° | — | — |
| 1973 | 73° | 43° | 58° | — | — |
| 1972 | 73° | 37° | 55° | — | — |
| 1971 | 86° | 61° | 73° | — | — |
56 years of data from TUCSON WFO