Weather on May 20
Milwaukee, WI
55 Years of Data
Avg High
70°F
Avg Low
49°F
Warmest
1977
80°F avg
Coldest
2015
44°F avg
About This Date
May 20th in Milwaukee, WI typically brings pleasant spring weather, with average highs around 70°F and lows near 49°F. Over 55 years of records, the warmest May 20th was in 1977 (80°F average), while the coldest was 2015 (44°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 24% of May 20th dates historically, with the wettest May 20th recording 2.41" 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 Milwaukee, WI? Great weather for outdoor activities.
Cooling Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 49° | 40° | 44° | — | — |
| 2024 | 73° | 55° | 64° | 0.61" | — |
| 2023 | 69° | 45° | 57° | — | — |
| 2022 | 80° | 62° | 71° | 0.13" | — |
| 2021 | 82° | 62° | 72° | — | — |
| 2020 | 63° | 48° | 55° | — | — |
| 2019 | 54° | 44° | 49° | — | — |
| 2018 | 49° | 43° | 46° | 0.71" | — |
| 2017 | 54° | 46° | 50° | 1.02" | — |
| 2016 | 63° | 44° | 53° | — | — |
| 2015coldest | 50° | 37° | 44° | — | — |
| 2014 | 84° | 49° | 66° | — | — |
| 2013 | 86° | 62° | 74° | 0.41" | — |
| 2012 | 90° | 61° | 75° | — | — |
| 2011 | 66° | 47° | 56° | — | — |
| 2010 | 83° | 48° | 65° | — | — |
| 2009 | 85° | 55° | 70° | — | — |
| 2008 | 60° | 44° | 52° | — | — |
| 2007 | 82° | 40° | 61° | 0.05" | — |
| 2006 | 66° | 38° | 52° | — | — |
| 2005 | 58° | 46° | 52° | 0.33" | — |
| 2004 | 70° | 45° | 57° | 0.1" | — |
| 2003 | 67° | 51° | 59° | 0.48" | — |
| 2002 | 57° | 35° | 46° | — | — |
| 2001 | 80° | 50° | 65° | — | — |
| 2000 | 50° | 39° | 45° | 0.03" | — |
| 1999 | 73° | 52° | 62° | — | — |
| 1998 | 68° | 53° | 61° | — | — |
| 1997 | 58° | 38° | 48° | — | — |
| 1996 | 79° | 57° | 68° | 1.91" | — |
| 1995 | 77° | 57° | 67° | — | — |
| 1994 | 77° | 48° | 63° | — | — |
| 1993 | 62° | 42° | 52° | — | — |
| 1992 | 78° | 49° | 63° | — | — |
| 1991 | 67° | 46° | 56° | — | — |
| 1990 | 47° | 45° | 46° | — | — |
| 1989 | 75° | 50° | 63° | — | — |
| 1988 | 71° | 50° | 61° | — | — |
| 1987 | 63° | 51° | 57° | 2.41" | — |
| 1986 | 55° | 40° | 47° | 0.03" | — |
| 1985 | 71° | 52° | 61° | — | — |
| 1984 | 76° | 52° | 64° | — | — |
| 1983 | 65° | 52° | 58° | — | — |
| 1982 | 65° | 44° | 54° | — | — |
| 1981 | 78° | 48° | 63° | — | — |
| 1980 | 76° | 56° | 66° | — | — |
| 1979 | 77° | 47° | 62° | — | — |
| 1978 | 77° | 45° | 61° | — | — |
| 1977warmest | 91° | 69° | 80° | — | — |
| 1976 | 83° | 62° | 72° | — | — |
| 1975 | 88° | 67° | 77° | — | — |
| 1974 | 69° | 52° | 60° | — | — |
| 1973 | 72° | 45° | 58° | — | — |
| 1972 | 88° | 64° | 76° | — | — |
| 1971 | 69° | 43° | 56° | — | — |
55 years of data from W ALLIS