Weather on May 15
Olathe, KS
55 Years of Data
Avg High
74°F
Avg Low
54°F
Warmest
1998
78°F avg
Coldest
2011
49°F avg
About This Date
May 15th in Olathe, KS typically brings pleasant spring weather, with average highs around 74°F and lows near 54°F. Over 55 years of records, the warmest May 15th was in 1998 (78°F average), while the coldest was 2011 (49°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 15th dates historically, with the wettest May 15th recording 3.94" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for May 15th in Olathe, KS? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 65° | 73° | — | — |
| 2024 | 71° | 57° | 64° | 0.1" | — |
| 2023 | 68° | 59° | 64° | 0.15" | — |
| 2022 | 76° | 57° | 66° | 1.37" | — |
| 2021 | 66° | 54° | 60° | 0.28" | — |
| 2020 | 67° | 61° | 64° | — | — |
| 2019 | 81° | 59° | 70° | — | — |
| 2018 | 83° | 63° | 73° | 0.03" | — |
| 2017 | 86° | 61° | 73° | — | — |
| 2016 | 65° | 40° | 52° | 0.3" | — |
| 2015 | 77° | 63° | 70° | 0.58" | — |
| 2014 | 59° | 44° | 52° | — | — |
| 2013 | 84° | 61° | 72° | — | — |
| 2012 | 82° | 55° | 69° | — | — |
| 2011coldest | 53° | 45° | 49° | — | — |
| 2010 | 57° | 53° | 55° | 1.52" | — |
| 2009 | 73° | 51° | 62° | 0.15" | — |
| 2008 | 67° | 47° | 57° | — | — |
| 2007 | 86° | 64° | 75° | 1.55" | — |
| 2006 | 61° | 45° | 53° | — | — |
| 2005 | 69° | 42° | 56° | — | — |
| 2004 | 60° | 42° | 51° | 0.13" | — |
| 2003 | 79° | 54° | 66° | 0.03" | — |
| 2002 | 74° | 50° | 62° | — | — |
| 2001 | 86° | 70° | 78° | — | — |
| 2000 | 64° | 51° | 58° | — | — |
| 1999 | 70° | 58° | 64° | — | — |
| 1998warmest | 84° | 71° | 78° | — | — |
| 1997 | 68° | 49° | 58° | — | — |
| 1996 | 83° | 61° | 72° | 0.03" | — |
| 1995 | 76° | 51° | 63° | — | — |
| 1994 | 78° | 55° | 67° | 1.07" | — |
| 1993 | 80° | 59° | 70° | — | — |
| 1992 | 80° | 54° | 67° | 0.33" | — |
| 1991 | 83° | 62° | 72° | 3.94" | — |
| 1990 | 72° | 60° | 66° | 0.81" | — |
| 1989 | 79° | 52° | 65° | — | — |
| 1988 | 83° | 65° | 74° | — | — |
| 1987 | 81° | 58° | 69° | — | — |
| 1986 | 78° | 54° | 66° | 0.46" | — |
| 1985 | 73° | 47° | 60° | — | — |
| 1984 | 70° | 52° | 61° | — | — |
| 1983 | 60° | 42° | 51° | — | — |
| 1982 | 75° | 54° | 64° | 0.86" | — |
| 1981 | 71° | 46° | 59° | — | — |
| 1980 | 75° | 53° | 64° | — | — |
| 1979 | 73° | 51° | 62° | — | — |
| 1978 | 72° | 48° | 60° | — | — |
| 1977 | 84° | 63° | 73° | — | — |
| 1976 | 65° | 54° | 59° | 2.08" | — |
| 1975 | 73° | 49° | 61° | — | — |
| 1974 | 71° | 48° | 60° | — | — |
| 1973 | 69° | 42° | 56° | — | — |
| 1972 | 80° | 47° | 63° | — | — |
| 1971 | 80° | 55° | 68° | — | — |
55 years of data from OLATHE 3E