All Countries
Olathe, KS
Full City Profile · Kansas · Johnson County County
4.0
/5.0
A
Great
143,720
Population
2,231/sq mi density
$112,232
Median Income
$48,655 per capita
$340,600
Home Value
$425,657 Zillow
$1,314
Median Rent
28.3% income on rent
57°F
Avg Temperature
299 sunny days/yr
205
Violent Crime/100K
1,135 property/100K
A
Overall
4.0 / 5.0
Strong
A+
Economy
5.0 / 5.0
$112,232 median income, 2.1% unemployment
A+
Affordability
5.0 / 5.0
$340,600 home value, $1,314/mo rent
F
Safety
1.0 / 5.0
205 violent crimes/100K
A+
Education
5.0 / 5.0
49.4% bachelor's degree or higher
Olathe enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 35°F in January while summers reach 78°F in July. The area gets 299 sunny days per year. Annual precipitation totals 39.4 inches. The area receives 14.0 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
35°F Jan (1°C)
78°F Jul (26°C)
| Annual Average | 57.3°F |
| 6% above US avg | |
| January Average | 35°F (1°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 1,037 ft (316 m) |
| Area | 60.4 sq mi (156.5 km²) |
| Population Density | 2,231/sq mi |
| Coordinates | 38.8820°N, 94.8201°W |
| Timezone | America/Chicago |
| County | Johnson County County |
| Nearest Airport | Lawrence Regional (LWC) 23 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0484 ppm |
| PM2.5 (Fine Particles) | 8.9 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 94.9 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 75.3 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | No Rating |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively High |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively High |
| Winter Weather | Very High |
| Lightning | Very High |
| Ice Storm | Very High |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (1°C) | 1.2 in | Driest |
| February | 34°F (1°C) | 1.3 in | |
| March | 45°F (7°C) | 2.6 in | |
| April | 55°F (13°C) | 3.8 in | |
| May | 65°F (18°C) | 5.3 in | Wettest |
| June | 74°F (23°C) | 5.3 in | |
| July | 78°F (26°C) | 3.9 in | Warmest |
| August | 77°F (25°C) | 3.7 in | |
| September | 69°F (21°C) | 4.9 in | |
| October | 57°F (14°C) | 3.5 in | |
| November | 44°F (6°C) | 2.8 in | |
| December | 33°F (0°C) | 1.7 in | Coldest |
Olathe has a seasonal temperature swing of 46°F / from 33°F in December to 78°F in July. Total annual precipitation is 40.1 inches, with May being the wettest month (5.3") and January the driest (1.2").