Weather on May 15
Madison, WI
55 Years of Data
Avg High
69°F
Avg Low
45°F
Warmest
2007
75°F avg
Coldest
2016
37°F avg
About This Date
May 15th in Madison, WI typically brings mild spring weather, with average highs around 69°F and lows near 45°F. Over 55 years of records, the warmest May 15th was in 2007 (75°F average), while the coldest was 2016 (37°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 42% of May 15th dates historically, with the wettest May 15th recording 2.46" of rain. The last decade has been 6.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.6°F warmer on this date compared to 20-30 years ago.
Planning for May 15th in Madison, WI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 58° | 71° | — | — |
| 2024 | 65° | 46° | 55° | — | — |
| 2023 | 58° | 40° | 49° | 0.3" | — |
| 2022 | 86° | 56° | 71° | 0.05" | — |
| 2021 | 71° | 51° | 61° | 0.03" | — |
| 2020 | 66° | 54° | 60° | 0.99" | — |
| 2019 | 71° | 43° | 57° | — | — |
| 2018 | 73° | 57° | 65° | 0.03" | — |
| 2017 | 76° | 44° | 60° | — | — |
| 2016coldest | 46° | 29° | 37° | — | — |
| 2015 | 66° | 44° | 55° | 0.53" | — |
| 2014 | 57° | 39° | 48° | 0.25" | — |
| 2013 | 88° | 57° | 72° | — | — |
| 2012 | 80° | 50° | 65° | — | — |
| 2011 | 52° | 46° | 49° | 0.33" | — |
| 2010 | 67° | 40° | 53° | — | — |
| 2009 | 65° | 48° | 56° | — | — |
| 2008 | 67° | 39° | 53° | — | — |
| 2007warmest | 87° | 62° | 75° | — | — |
| 2006 | 52° | 37° | 44° | 0.13" | — |
| 2005 | 58° | 41° | 49° | 0.18" | — |
| 2004 | 49° | 38° | 43° | 0.71" | — |
| 2003 | 54° | 48° | 51° | 0.74" | — |
| 2002 | 65° | 37° | 51° | — | — |
| 2001 | 69° | 55° | 62° | — | — |
| 2000 | 62° | 34° | 48° | — | — |
| 1999 | 72° | 41° | 56° | — | — |
| 1998 | 85° | 54° | 69° | — | — |
| 1997 | 51° | 35° | 43° | 0.3" | — |
| 1996 | 54° | 42° | 48° | 0.79" | — |
| 1995 | 68° | 44° | 56° | — | — |
| 1994 | 68° | 55° | 62° | 1.07" | — |
| 1993 | 75° | 49° | 62° | — | — |
| 1992 | 69° | 46° | 58° | — | — |
| 1991 | 90° | 58° | 74° | — | — |
| 1990 | 66° | 48° | 57° | 0.13" | — |
| 1989 | 72° | 40° | 56° | — | — |
| 1988 | 79° | 61° | 70° | — | — |
| 1987 | 80° | 39° | 60° | — | — |
| 1986 | 72° | 46° | 59° | — | — |
| 1985 | 83° | 52° | 67° | 2.46" | — |
| 1984 | 69° | 35° | 52° | — | — |
| 1983 | 59° | 36° | 47° | 0.05" | — |
| 1982 | 86° | 50° | 68° | — | — |
| 1981 | 61° | 37° | 49° | — | — |
| 1980 | 66° | 36° | 51° | 0.41" | — |
| 1979 | 69° | 42° | 56° | — | — |
| 1978 | 65° | 40° | 52° | — | — |
| 1977 | 86° | 49° | 67° | — | — |
| 1976 | 75° | 40° | 57° | 0.3" | — |
| 1975 | 73° | 46° | 60° | 0.23" | — |
| 1974 | 66° | 45° | 55° | 0.03" | — |
| 1973 | 67° | 30° | 48° | — | — |
| 1972 | 64° | 47° | 55° | 0.76" | — |
| 1971 | 81° | 56° | 68° | — | — |
55 years of data from UW ARBORETUM - MADISON