Weather on April 20
Indianapolis, IN
55 Years of Data
Avg High
65°F
Avg Low
44°F
Warmest
1985
71°F avg
Coldest
1983
33°F avg
About This Date
April 20th in Indianapolis, IN typically brings mild spring weather, with average highs around 65°F and lows near 44°F. Over 55 years of records, the warmest April 20th was in 1985 (71°F average), while the coldest was 1983 (33°F) — a 38°F range across recorded history. Precipitation has occurred on 51% of recorded April 20th dates, with snow falling 2% of the time (heaviest snowfall: 3.5"). The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.
Planning for April 20th in Indianapolis, IN? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 49° | 62° | — | — |
| 2024 | 52° | 40° | 46° | — | — |
| 2023 | 83° | 60° | 71° | — | — |
| 2022 | 62° | 40° | 51° | — | — |
| 2021 | 42° | 30° | 36° | 1.22" | 3.5" |
| 2020 | 64° | 36° | 50° | — | — |
| 2019 | 44° | 35° | 40° | 1.6" | — |
| 2018 | 61° | 30° | 45° | — | — |
| 2017 | 79° | 59° | 69° | 1.6" | — |
| 2016 | 81° | 53° | 67° | — | — |
| 2015 | 59° | 45° | 52° | 0.51" | — |
| 2014 | 77° | 40° | 58° | — | — |
| 2013 | 39° | 31° | 35° | 0.13" | — |
| 2012 | 75° | 54° | 64° | — | — |
| 2011 | 69° | 40° | 54° | 7.9" | — |
| 2010 | 62° | 41° | 52° | — | — |
| 2009 | 57° | 48° | 53° | 1.02" | — |
| 2008 | 56° | 42° | 49° | 0.05" | — |
| 2007 | 57° | 36° | 46° | 0.2" | — |
| 2006 | 76° | 53° | 64° | — | — |
| 2005 | 77° | 62° | 70° | — | — |
| 2004 | 76° | 51° | 63° | — | — |
| 2003 | 72° | 47° | 59° | 0.76" | — |
| 2002 | 85° | 58° | 71° | — | — |
| 2001 | 68° | 39° | 54° | 0.2" | — |
| 2000 | 70° | 53° | 61° | 0.03" | — |
| 1999 | 62° | 36° | 49° | — | — |
| 1998 | 55° | 36° | 45° | — | — |
| 1997 | 54° | 36° | 45° | — | — |
| 1996 | 69° | 39° | 54° | — | — |
| 1995 | 51° | 42° | 47° | 0.08" | — |
| 1994 | 64° | 47° | 55° | 0.15" | — |
| 1993 | 66° | 34° | 50° | 0.66" | — |
| 1992 | 72° | 55° | 63° | 0.15" | — |
| 1991 | 47° | 42° | 44° | 0.66" | — |
| 1990 | 60° | 42° | 51° | 0.2" | — |
| 1989 | 58° | 36° | 47° | — | — |
| 1988 | 53° | 34° | 43° | — | — |
| 1987 | 77° | 49° | 63° | — | — |
| 1986 | 66° | 44° | 55° | 0.79" | — |
| 1985warmest | 83° | 60° | 71° | — | — |
| 1984 | 48° | 34° | 41° | 0.05" | — |
| 1983coldest | 42° | 25° | 33° | — | — |
| 1982 | 67° | 47° | 57° | 0.03" | — |
| 1981 | 60° | 46° | 53° | 0.53" | — |
| 1980 | 74° | 42° | 58° | — | — |
| 1979 | 65° | 42° | 53° | — | — |
| 1978 | 55° | 43° | 49° | 0.46" | — |
| 1977 | 72° | 60° | 66° | 0.2" | — |
| 1976 | 75° | 57° | 66° | 0.18" | — |
| 1975 | 57° | 39° | 48° | 0.13" | — |
| 1974 | 63° | 43° | 53° | — | — |
| 1973 | 72° | 55° | 63° | 0.46" | — |
| 1972 | 76° | 55° | 65° | 1.4" | — |
| 1971 | 76° | 48° | 62° | — | — |
55 years of data from INDIANAPOLIS SE SIDE