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Westerville, OH
Full City Profile · Ohio · Licking County County
4.0
/5.0
A
Great
38,543
Population
3,059/sq mi density
$107,054
Median Income
$50,681 per capita
$343,200
Home Value
$439,745 Zillow
$1,409
Median Rent
31.2% income on rent
54°F
Avg Temperature
275 sunny days/yr
181
Violent Crime/100K
1,875 property/100K
A
Overall
4.0 / 5.0
Strong
A+
Economy
5.0 / 5.0
$107,054 median income, 1.3% unemployment
A+
Affordability
4.9 / 5.0
$343,200 home value, $1,409/mo rent
F
Safety
1.0 / 5.0
181 violent crimes/100K
A+
Education
5.0 / 5.0
58.3% bachelor's degree or higher
Westerville experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 30°F in January while summers reach 75°F in July. The area gets 275 sunny days per year. Annual precipitation totals 42.2 inches. The area receives 19.0 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
30°F Jan (-1°C)
75°F Jul (24°C)
| Annual Average | 53.9°F |
| 0% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 902 ft (275 m) |
| Area | 4.9 sq mi (12.6 km²) |
| Population Density | 3,059/sq mi |
| Coordinates | 40.1234°N, 82.9133°W |
| Timezone | America/New_York |
| County | Licking County County |
| Nearest Airport | John Glenn Columbus International (CMH) 9 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0447 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 78.9 / 100 |
| Social Vulnerability | 19.2 / 100 |
| Community Resilience | 83.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.3 in | Coldest |
| February | 30°F (-1°C) | 2.1 in | Driest |
| March | 40°F (5°C) | 2.9 in | |
| April | 51°F (10°C) | 3.4 in | |
| May | 61°F (16°C) | 4.0 in | |
| June | 70°F (21°C) | 4.0 in | |
| July | 75°F (24°C) | 4.3 in | Warmest, Wettest |
| August | 73°F (23°C) | 3.7 in | |
| September | 66°F (19°C) | 3.0 in | |
| October | 54°F (12°C) | 2.4 in | |
| November | 43°F (6°C) | 3.2 in | |
| December | 33°F (0°C) | 2.9 in |
Westerville has a seasonal temperature swing of 46°F / from 30°F in January to 75°F in July. Total annual precipitation is 38.3 inches, with July being the wettest month (4.3") and February the driest (2.1").