Weather on March 21
Shawnee Mission, KS
55 Years of Data
Avg High
59°F
Avg Low
36°F
Warmest
2026
74°F avg
Coldest
1974
27°F avg
About This Date
March 21st in Shawnee Mission, KS typically brings cool spring weather, with average highs around 59°F and lows near 36°F. Over 56 years of records, the warmest March 21st was in 2026 (74°F average), while the coldest was 1974 (27°F) — a 47°F range across recorded history. Precipitation has occurred on 18% of recorded March 21st dates, with snow falling 2% of the time. The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
Planning for March 21st in Shawnee Mission, KS? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 91° | 58° | 74° | — | — |
| 2025 | 66° | 40° | 53° | — | — |
| 2024 | 61° | 36° | 48° | — | — |
| 2023 | 47° | 40° | 43° | 0.69" | — |
| 2022 | 62° | 49° | 55° | 3.38" | — |
| 2021 | 66° | 44° | 55° | — | — |
| 2020 | 45° | 24° | 35° | — | — |
| 2019 | 57° | 34° | 45° | — | — |
| 2018 | 54° | 31° | 43° | — | — |
| 2017 | 60° | 44° | 52° | — | — |
| 2016 | 62° | 26° | 44° | — | — |
| 2015 | 71° | 43° | 57° | — | — |
| 2014 | 64° | 41° | 53° | — | — |
| 2013 | 29° | 24° | 27° | — | — |
| 2012 | 63° | 51° | 57° | 1.65" | — |
| 2011 | 79° | 56° | 67° | — | — |
| 2010 | 42° | 30° | 36° | — | — |
| 2009 | 60° | 41° | 51° | 0.08" | — |
| 2008 | 68° | 38° | 53° | — | — |
| 2007 | 60° | 44° | 52° | 0.84" | — |
| 2006 | 37° | 30° | 34° | 0.51" | — |
| 2005 | 58° | 41° | 49° | — | — |
| 2004 | 66° | 29° | 47° | — | — |
| 2003 | 44° | 34° | 39° | 0.08" | — |
| 2002 | 55° | 22° | 38° | — | — |
| 2001 | 60° | 39° | 50° | — | — |
| 2000 | 63° | 37° | 50° | — | — |
| 1999 | 57° | 35° | 46° | — | — |
| 1998 | 54° | 27° | 40° | — | — |
| 1997 | 81° | 55° | 68° | — | — |
| 1996 | 52° | 26° | 39° | — | — |
| 1995 | 80° | 38° | 59° | — | — |
| 1994 | 72° | 35° | 53° | — | — |
| 1993 | 51° | 34° | 42° | — | — |
| 1992 | 59° | 40° | 49° | — | — |
| 1991 | 79° | 55° | 67° | — | — |
| 1990 | 67° | 39° | 53° | — | — |
| 1989 | 41° | 17° | 29° | 0.2" | — |
| 1988 | 72° | 41° | 56° | — | — |
| 1987 | 64° | 44° | 54° | — | — |
| 1986 | 49° | 21° | 35° | — | — |
| 1985 | 53° | 45° | 49° | — | — |
| 1984 | 42° | 32° | 37° | — | — |
| 1983 | 36° | 19° | 27° | — | — |
| 1982 | 54° | 29° | 41° | — | — |
| 1981 | 57° | 40° | 48° | — | — |
| 1980 | 52° | 28° | 40° | 0.38" | — |
| 1979 | 58° | 42° | 50° | — | — |
| 1978 | 64° | 33° | 49° | — | — |
| 1977 | 49° | 33° | 41° | — | — |
| 1976 | 55° | 33° | 44° | — | — |
| 1975 | 75° | 47° | 61° | — | — |
| 1974coldest | 41° | 13° | 27° | 0.15" | 1" |
| 1973 | 53° | 32° | 43° | — | — |
| 1972 | 64° | 47° | 55° | — | — |
| 1971 | 62° | 35° | 49° | — | — |
56 years of data from LEAWOOD