Climate
Overland Park weather by month
Average highs, lows, rain and snow for every month, from 30 years of weather records.
Average temperatures
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Best time to visit: June, September, October, when highs are mild and rain is lightest.
Month by month
| Month | High | Low | Rain | Wet days |
|---|---|---|---|---|
| January | 39°F | 21°F | 1.1 in | 5 |
| February | 44°F | 25°F | 1.4 in | 6 |
| March | 55°F | 35°F | 2.3 in | 9 |
| April | 65°F | 45°F | 3.9 in | 11 |
| May | 74°F | 55°F | 5.4 in | 12 |
| June | 83°F | 65°F | 5.2 in | 11 |
| July | 88°F | 69°F | 4.2 in | 9 |
| August | 87°F | 67°F | 4.4 in | 9 |
| September | 78°F | 59°F | 3.5 in | 8 |
| October | 67°F | 47°F | 3.0 in | 9 |
| November | 53°F | 35°F | 2.0 in | 6 |
| December | 42°F | 25°F | 1.4 in | 5 |
NOAA U.S. Climate Normals 1991–2020, Olathe Johnson Co Exec Ap, Ks Us (3.8 mi away, 1,070 ft). Wet days: days with at least 0.01 in of precipitation.
Questions
What is the hottest month in Overland Park?
July, with an average high of 88°F and low of 69°F.
What is the coldest month in Overland Park?
January, with an average low of 21°F and high of 39°F.
When does it rain most in Overland Park?
May is the wettest month, averaging 5.4 in of precipitation; the year totals about 37.8 inches.
What is the best time to visit Overland Park?
For mild weather (highs between 65°F and 85°F) with the least rain, June, September, October.
Where do these numbers come from?
NOAA’s 1991–2020 U.S. Climate Normals for the Olathe Johnson Co Exec Ap weather station, 3.8 miles from downtown: 30-year averages, not a forecast.