Olathe city, Kansas

Official LSAD Designation: Olathe city • Census GEOID: 2052575 • Johnson County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Olathe city.

Reference Weather Station: OLATHE 3E, KS US (ID: USC00145972) • Located 3.3 miles from community center • Elevation: 321.6 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	38.7°	20.0°	29.3°	1.28"
February	44.3°	23.9°	34.1°	1.73"
March	54.9°	33.7°	44.3°	2.48"
April	65.1°	43.9°	54.5°	4.12"
May	74.5°	55.5°	65.0°	5.26"
June	83.6°	64.9°	74.3°	5.23"
July	88.2°	69.4°	78.8°	4.75"
August	86.8°	66.9°	76.9°	4.46"
September	79.1°	58.4°	68.8°	4.25"
October	67.7°	46.7°	57.2°	3.05"
November	54.3°	34.6°	44.5°	2.37"
December	42.5°	24.6°	33.5°	1.75"

2010–2025, completed calendar years only.

NOAA station OLATHE JOHNSON CO EXEC AP, KS US (ID: USW00003967) • 4.8 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00145972), which has no available annual mean history.

Show annual mean of daily highs and lows

Annual mean Annual mean of daily highs Annual mean of daily lows

Annual temperature data table (°F)

Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year	Annual mean (°F)	Annual mean of daily highs (°F)	Annual mean of daily lows (°F)
2010	55.2	64.5	46.0
2011	55.5	65.3	45.6
2012	59.1	69.7	48.5
2013	53.4	63.0	43.8
2014	53.0	62.7	43.2
2015	56.2	65.9	46.4
2016	57.2	67.0	47.3
2017	56.3	66.0	46.6
2018	54.6	64.4	44.9
2019	54.0	63.1	44.9
2020	55.6	65.2	45.9
2021	56.9	66.3	47.4
2022	55.9	66.5	45.3
2023	58.1	68.5	47.7
2024	Unavailable	68.4	Unavailable
2025	56.7	66.4	46.9

Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.