Weather on May 21
Kansas City, MO
55 Years of Data
Avg High
76°F
Avg Low
58°F
Warmest
2004
80°F avg
Coldest
2002
56°F avg
About This Date
May 21st in Kansas City, MO typically brings pleasant spring weather, with average highs around 76°F and lows near 58°F. Over 49 years of records, the warmest May 21st was in 2004 (80°F average), while the coldest was 2002 (56°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 24% of May 21st dates historically, with the wettest May 21st recording 2.57" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for May 21st in Kansas City, MO? Great weather for outdoor activities.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 52° | 62° | — | — |
| 2024 | 87° | 63° | 75° | 0.94" | — |
| 2023 | 77° | 51° | 64° | — | — |
| 2022 | 64° | 49° | 56° | — | — |
| 2021 | 75° | 69° | 72° | — | — |
| 2020 | 73° | 60° | 67° | — | — |
| 2019 | 70° | 51° | 60° | 2.57" | — |
| 2018 | 73° | 62° | 68° | — | — |
| 2017 | 72° | 47° | 59° | — | — |
| 2016 | 76° | 50° | 63° | 0.03" | — |
| 2015 | 69° | 48° | 59° | — | — |
| 2014 | 88° | 70° | 79° | — | — |
| 2013 | 77° | 59° | 68° | — | — |
| 2012 | 76° | 52° | 64° | — | — |
| 2011 | 82° | 65° | 73° | 0.08" | — |
| 2010 | 74° | 57° | 65° | 0.03" | — |
| 2009 | 82° | 63° | 72° | — | — |
| 2008 | 75° | 52° | 63° | — | — |
| 2007 | 81° | 63° | 72° | — | — |
| 2006 | 85° | 58° | 71° | — | — |
| 2005 | 81° | 57° | 69° | — | — |
| 2004warmest | 87° | 74° | 80° | — | — |
| 2003 | 68° | 48° | 58° | — | — |
| 2002coldest | 68° | 45° | 56° | — | — |
| 2001 | 64° | 54° | 59° | — | — |
| 2000 | 76° | 52° | 64° | 0.25" | — |
| 1999 | 78° | 61° | 69° | 0.25" | — |
| 1998 | 77° | 67° | 72° | 0.13" | — |
| 1997 | 73° | 54° | 63° | — | — |
| 1996 | 80° | 55° | 68° | — | — |
| 1995 | 73° | 55° | 64° | — | — |
| 1994 | 80° | 52° | 66° | — | — |
| 1993 | 78° | 52° | 65° | — | — |
| 1992 | 86° | 68° | 77° | — | — |
| 1991 | 82° | 69° | 76° | 0.28" | — |
| 1990 | 63° | 54° | 58° | — | — |
| 1989 | 67° | 56° | 61° | 1.45" | — |
| 1988 | 74° | 65° | 69° | 0.23" | — |
| 1987 | 84° | 60° | 72° | — | — |
| 1986 | 77° | 55° | 66° | — | — |
| 1985 | 76° | 61° | 68° | — | — |
| 1984 | 83° | 62° | 72° | — | — |
| 1983 | 71° | 59° | 65° | — | — |
| 1982 | 74° | 59° | 66° | — | — |
| 1981 | 81° | 52° | 66° | — | — |
| 1980 | 80° | 55° | 68° | — | — |
| 1979 | 71° | 54° | 62° | — | — |
| 1972 | 89° | 62° | 76° | — | — |
| 1971 | 68° | 61° | 64° | 0.84" | — |
49 years of data from KANSAS CITY DWTN AP