Weather on May 21
Racine, WI
55 Years of Data
Avg High
65°F
Avg Low
48°F
Warmest
2013
74°F avg
Coldest
2002
39°F avg
About This Date
May 21st in Racine, WI typically brings mild spring weather, with average highs around 65°F and lows near 48°F. Over 55 years of records, the warmest May 21st was in 2013 (74°F average), while the coldest was 2002 (39°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 31% of May 21st dates historically, with the wettest May 21st recording 7.01" 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 21st in Racine, WI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 46° | 44° | 45° | 2.74" | — |
| 2024 | 71° | 53° | 62° | 1.8" | — |
| 2023 | 75° | 53° | 64° | — | — |
| 2022 | 79° | 55° | 67° | 0.43" | — |
| 2021 | 66° | 44° | 55° | — | — |
| 2020 | 54° | 47° | 50° | — | — |
| 2019 | 50° | 43° | 46° | — | — |
| 2018 | 49° | 41° | 45° | 1.63" | — |
| 2017 | 58° | 46° | 52° | 0.97" | — |
| 2016 | 64° | 52° | 58° | — | — |
| 2015 | 49° | 42° | 45° | — | — |
| 2014 | 77° | 48° | 63° | — | — |
| 2013warmest | 84° | 64° | 74° | — | — |
| 2012 | 78° | 56° | 67° | — | — |
| 2011 | 54° | 44° | 49° | — | — |
| 2010 | 66° | 51° | 59° | 0.86" | — |
| 2009 | 81° | 61° | 71° | — | — |
| 2008 | 65° | 42° | 53° | — | — |
| 2007 | 50° | 40° | 45° | — | — |
| 2006 | 74° | 44° | 59° | 0.43" | — |
| 2005 | 67° | 47° | 57° | — | — |
| 2004 | 85° | 47° | 66° | 3.02" | — |
| 2003 | 62° | 43° | 52° | — | — |
| 2002coldest | 45° | 34° | 39° | — | — |
| 2001 | 62° | 53° | 58° | 0.05" | — |
| 2000 | 59° | 44° | 52° | — | — |
| 1999 | 64° | 53° | 59° | — | — |
| 1998 | 69° | 51° | 60° | — | — |
| 1997 | 57° | 39° | 48° | — | — |
| 1996 | 65° | 53° | 59° | 7.01" | — |
| 1995 | 74° | 56° | 65° | — | — |
| 1994 | 60° | 54° | 57° | — | — |
| 1993 | 55° | 46° | 51° | 0.05" | — |
| 1992 | 63° | 53° | 58° | — | — |
| 1991 | 56° | 50° | 53° | — | — |
| 1990 | 46° | 44° | 45° | — | — |
| 1989 | 76° | 50° | 63° | — | — |
| 1988 | 64° | 47° | 55° | — | — |
| 1987 | 65° | 50° | 57° | 1.45" | — |
| 1986 | 51° | 45° | 48° | — | — |
| 1985 | 58° | 47° | 52° | — | — |
| 1984 | 60° | 44° | 52° | — | — |
| 1983 | 63° | 49° | 56° | 0.05" | — |
| 1982 | 50° | 41° | 46° | 0.05" | — |
| 1981 | 68° | 52° | 60° | — | — |
| 1980 | 71° | 55° | 63° | — | — |
| 1979 | — | 43° | — | — | — |
| 1978 | 79° | 42° | 60° | — | — |
| 1977 | 76° | 61° | 68° | — | — |
| 1976 | 82° | 50° | 66° | 0.03" | — |
| 1975 | 78° | 55° | 67° | 0.25" | — |
| 1974 | 75° | 51° | 63° | 1.73" | — |
| 1973 | 75° | 43° | 59° | — | — |
| 1972 | 82° | 55° | 69° | — | — |
| 1971 | 66° | 38° | 52° | — | — |
55 years of data from RACINE WWTP