Weather on May 20
Madison, WI
55 Years of Data
Avg High
73°F
Avg Low
47°F
Warmest
2012
77°F avg
Coldest
2002
45°F avg
About This Date
May 20th in Madison, WI typically brings pleasant spring weather, with average highs around 73°F and lows near 47°F — a 26°F daily swing. Over 55 years of records, the warmest May 20th was in 2012 (77°F average), while the coldest was 2002 (45°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 45% of May 20th dates historically, with the wettest May 20th recording 4.22" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 20th in Madison, WI? 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 | 58° | 42° | 50° | 2.11" | — |
| 2024 | 80° | 56° | 68° | 0.58" | — |
| 2023 | 65° | 43° | 54° | — | — |
| 2022 | 81° | 62° | 71° | 0.2" | — |
| 2021 | 79° | 64° | 71° | 0.08" | — |
| 2020 | 63° | 49° | 56° | — | — |
| 2019 | 65° | 40° | 52° | 0.51" | — |
| 2018 | 74° | 47° | 60° | 4.22" | — |
| 2017 | 51° | 44° | 48° | 0.13" | — |
| 2016 | 71° | 38° | 54° | — | — |
| 2015 | 56° | 38° | 47° | — | — |
| 2014 | 64° | 50° | 57° | 0.43" | — |
| 2013 | 86° | 61° | 73° | 1.91" | — |
| 2012warmest | 89° | 64° | 77° | — | — |
| 2011 | 70° | 46° | 58° | — | — |
| 2010 | 79° | 44° | 61° | — | — |
| 2009 | 82° | 55° | 69° | — | — |
| 2008 | 61° | 45° | 53° | — | — |
| 2007 | 80° | 45° | 62° | 0.03" | — |
| 2006 | 86° | 37° | 62° | — | — |
| 2005 | 71° | 49° | 60° | 3.4" | — |
| 2004 | 71° | 47° | 59° | — | — |
| 2003 | 68° | 47° | 57° | 1.17" | — |
| 2002coldest | 58° | 32° | 45° | — | — |
| 2001 | 78° | 53° | 66° | — | — |
| 2000 | 61° | 33° | 47° | 0.03" | — |
| 1999 | 73° | 48° | 61° | — | — |
| 1998 | 83° | 50° | 66° | — | — |
| 1997 | 58° | 36° | 47° | — | — |
| 1996 | 86° | 58° | 72° | — | — |
| 1995 | 75° | 53° | 64° | — | — |
| 1994 | 77° | 38° | 57° | — | — |
| 1993 | 60° | 38° | 49° | 0.41" | — |
| 1992 | 82° | 42° | 62° | — | — |
| 1991 | 68° | 42° | 55° | — | — |
| 1990 | 54° | 42° | 48° | 2.44" | — |
| 1989 | 69° | 54° | 61° | 0.33" | — |
| 1988 | 81° | 39° | 60° | — | — |
| 1987 | 75° | 52° | 63° | 0.89" | — |
| 1986 | 61° | 33° | 47° | — | — |
| 1985 | 79° | 53° | 66° | 0.1" | — |
| 1984 | 74° | 50° | 62° | — | — |
| 1983 | 68° | 50° | 59° | 0.69" | — |
| 1982 | 79° | 54° | 66° | 1.14" | — |
| 1981 | 69° | 30° | 50° | — | — |
| 1980 | — | 37° | — | — | — |
| 1979 | 73° | 43° | 58° | — | — |
| 1978 | 80° | 64° | 72° | — | — |
| 1977 | 89° | 56° | 72° | 0.15" | — |
| 1976 | 76° | 53° | 64° | 0.08" | — |
| 1975 | 91° | 60° | 76° | 0.81" | — |
| 1974 | 70° | 52° | 61° | 0.25" | — |
| 1973 | 67° | 40° | 53° | 0.05" | — |
| 1972 | 88° | 50° | 69° | — | — |
| 1971 | 65° | 39° | 52° | — | — |
55 years of data from UW ARBORETUM - MADISON