Olathe, KS Weather & Climate Normals
What a normal year in Olathe actually looks like
On the 30-year record NOAA keeps for Olathe, KS, the comfort score comes out to 42/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 4 months a year land in the 55–75°F range this site treats as mild.
How much Olathe's weather actually swings
Average temperatures in Olathe run from 29°F in Jan up to 79°F in Jul, a 49.4°F seasonal swing, one of the widest gaps in this dataset.
Olathe, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 39°F | 20°F | 1.28in | 3.9in |
| Feb | 44°F | 24°F | 1.73in | 3.3in |
| Mar | 55°F | 34°F | 2.48in | 1.4in |
| Apr | 65°F | 44°F | 4.12in | 0.3in |
| May | 75°F | 56°F | 5.26in | 0in |
| Jun | 84°F | 65°F | 5.23in | 0in |
| Jul | 88°F | 69°F | 4.75in | 0in |
| Aug | 87°F | 67°F | 4.46in | 0in |
| Sep | 79°F | 58°F | 4.25in | 0in |
| Oct | 68°F | 47°F | 3.05in | 0.3in |
| Nov | 54°F | 35°F | 2.37in | 1.2in |
| Dec | 43°F | 25°F | 1.75in | 3.4in |
If you're timing a visit, May, Jun, Sep, and Oct are Olathe's mildest stretch; if you're moving there, you should plan around Jul's heat and Jan's cold instead.
How wet Olathe actually gets
Over a typical year, Olathe sees about 40.73in of precipitation a year across roughly 97 days with measurable rain or snow, with 13.8in of snow a year.
Olathe against the rest of the country
Out of 4876 cities scored here, Olathe comes in at 4155; within KS alone it ranks 37 of 63. Population is about 149,035.
Checking the actual forecast
These figures come from Olathe 3e, KS US, the NOAA station 3.2 miles from Olathe, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is