Weather on March 31
Indianapolis, IN
55 Years of Data
Avg High
57°F
Avg Low
37°F
Warmest
2026
71°F avg
Coldest
1975
23°F avg
About This Date
March 31st in Indianapolis, IN typically brings cool spring weather, with average highs around 57°F and lows near 37°F. Over 56 years of records, the warmest March 31st was in 2026 (71°F average), while the coldest was 1975 (23°F) — a 48°F range across recorded history. Rain or other precipitation has occurred on about 46% of March 31st dates historically, with the wettest March 31st recording 5.16" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for March 31st in Indianapolis, IN? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 79° | 64° | 71° | — | — |
| 2025 | 55° | 33° | 44° | — | — |
| 2024 | 66° | 42° | 54° | 0.03" | — |
| 2023 | 67° | 46° | 56° | 1.45" | — |
| 2022 | 59° | 34° | 46° | 0.2" | — |
| 2021 | 54° | 34° | 44° | 0.1" | — |
| 2020 | 42° | 36° | 39° | 0.05" | — |
| 2019 | 35° | 24° | 30° | — | — |
| 2018 | 55° | 32° | 44° | — | — |
| 2017 | 57° | 38° | 47° | 0.94" | — |
| 2016 | 66° | 51° | 59° | 1.3" | — |
| 2015 | 62° | 39° | 51° | — | — |
| 2014 | 67° | 35° | 51° | — | — |
| 2013 | 58° | 30° | 44° | — | — |
| 2012 | 77° | 46° | 62° | 0.38" | — |
| 2011 | 39° | 23° | 31° | 0.05" | — |
| 2010 | 60° | 32° | 46° | — | — |
| 2009 | 55° | 28° | 42° | — | — |
| 2008 | 53° | 40° | 46° | 0.3" | — |
| 2007 | 74° | 49° | 61° | — | — |
| 2006 | 71° | 40° | 55° | 0.61" | — |
| 2005 | 75° | 48° | 62° | 0.3" | — |
| 2004 | 56° | 38° | 47° | 2.36" | — |
| 2003 | 39° | 25° | 32° | — | — |
| 2002 | 57° | 37° | 47° | — | — |
| 2001 | 55° | 34° | 44° | — | — |
| 2000 | 54° | 30° | 42° | — | — |
| 1999 | 68° | 44° | 56° | — | — |
| 1998 | 78° | 45° | 61° | 1.6" | — |
| 1997 | 45° | 30° | 37° | 0.48" | — |
| 1996 | 52° | 32° | 42° | 2.01" | — |
| 1995 | 46° | 32° | 39° | — | — |
| 1994 | 42° | 32° | 37° | — | — |
| 1993 | 55° | 46° | 51° | — | — |
| 1992 | 55° | 31° | 43° | 1.07" | — |
| 1991 | 39° | 26° | 33° | — | — |
| 1990 | 57° | 49° | 53° | 0.86" | — |
| 1989 | 48° | 32° | 40° | 0.64" | — |
| 1988 | 54° | 37° | 45° | — | — |
| 1987 | 33° | 26° | 30° | — | — |
| 1986 | 83° | 53° | 68° | — | — |
| 1985 | 49° | 38° | 43° | 5.16" | — |
| 1984 | 43° | 31° | 37° | — | — |
| 1983 | 46° | 32° | 39° | — | — |
| 1982 | 68° | 52° | 60° | 0.33" | — |
| 1981 | 65° | 46° | 55° | — | — |
| 1980 | 52° | 42° | 47° | 3" | — |
| 1979 | 67° | 44° | 55° | 0.79" | — |
| 1978 | 60° | 32° | 46° | — | — |
| 1977 | 76° | 40° | 58° | — | — |
| 1976 | 73° | 43° | 58° | — | — |
| 1975coldest | 31° | 15° | 23° | 0.03" | — |
| 1974 | 41° | 29° | 35° | 0.71" | — |
| 1973 | 58° | 47° | 52° | 0.15" | — |
| 1972 | 47° | 30° | 38° | — | — |
| 1971 | 52° | 28° | 40° | — | — |
56 years of data from INDIANAPOLIS SE SIDE