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Vassar, KS
Full City Profile · Kansas · Osage County County
3.3
/5.0
B
Good
870
Population
179/sq mi density
$72,083
Median Income
$40,768 per capita
$170,700
Home Value
$222,331 Zillow
$1,132
Median Rent
20.7% income on rent
56°F
Avg Temperature
302 sunny days/yr
69
Violent Crime/100K
1,524 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.4 / 5.0
$72,083 median income, 2.0% unemployment
A+
Affordability
5.0 / 5.0
$170,700 home value, $1,132/mo rent
F
Safety
1.0 / 5.0
69 violent crimes/100K
C+
Education
2.7 / 5.0
21.2% bachelor's degree or higher
Vassar enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 31°F in January while summers reach 80°F in July. The area gets 302 sunny days per year. Annual precipitation totals 38.6 inches. Air quality is rated Good with a median AQI of 39.
Temperature
31°F Jan (-0°C)
80°F Jul (27°C)
| Annual Average | 56.2°F |
| 4% above US avg | |
| January Average | 31°F (-0°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 1,091 ft (333 m) |
| Area | 4.9 sq mi (12.6 km²) |
| Population Density | 179/sq mi |
| Coordinates | 38.6486°N, 95.6100°W |
| Timezone | America/Chicago |
| County | Osage County County |
| Nearest Airport | Topeka Regional (FOE) 21 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 35.4 / 100 |
| Social Vulnerability | 44.8 / 100 |
| Community Resilience | 59.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | No Rating |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Very High |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 1.0 in | Coldest, Driest |
| February | 34°F (1°C) | 1.0 in | |
| March | 45°F (7°C) | 2.8 in | |
| April | 55°F (13°C) | 3.3 in | |
| May | 65°F (18°C) | 5.0 in | |
| June | 74°F (23°C) | 5.5 in | Wettest |
| July | 80°F (27°C) | 3.4 in | Warmest |
| August | 78°F (25°C) | 3.9 in | |
| September | 69°F (21°C) | 4.3 in | |
| October | 58°F (14°C) | 3.3 in | |
| November | 44°F (7°C) | 2.2 in | |
| December | 33°F (0°C) | 1.4 in |
Vassar has a seasonal temperature swing of 49°F / from 31°F in January to 80°F in July. Total annual precipitation is 36.9 inches, with June being the wettest month (5.5") and January the driest (1.0").