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St. Johns, OH
Full City Profile · Ohio · Auglaize County County
2.9
/5.0
C+
Fair
315
Population
829/sq mi density
$53,864
Median Income
$24,413 per capita
$104,600
Home Value
$225,921 Zillow
51°F
Avg Temperature
275 sunny days/yr
71
Violent Crime/100K
1,955 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.1 / 5.0
$53,864 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$104,600 home value, /mo rent
F
Safety
1.0 / 5.0
71 violent crimes/100K
F
Education
1.3 / 5.0
4.1% bachelor's degree or higher
St. Johns experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 27°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 35.8 inches. Air quality is rated Good with a median AQI of 43.
Temperature
27°F Jan (-3°C)
73°F Jul (23°C)
| Annual Average | 51.4°F |
| 5% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 995 ft (303 m) |
| Area | 0.4 sq mi (1.0 km²) |
| Population Density | 829/sq mi |
| Coordinates | 40.5555°N, 84.0802°W |
| Timezone | America/New_York |
| County | Auglaize County County |
| Nearest Airport | James M Cox Dayton International (DAY) 46 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 41.8 / 100 |
| Social Vulnerability | 25.1 / 100 |
| Community Resilience | 95.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 2.0 in | Coldest |
| February | 28°F (-2°C) | 1.9 in | Driest |
| March | 38°F (3°C) | 3.0 in | |
| April | 49°F (9°C) | 3.5 in | |
| May | 60°F (16°C) | 3.8 in | Wettest |
| June | 69°F (21°C) | 3.7 in | |
| July | 73°F (23°C) | 3.8 in | Warmest |
| August | 71°F (22°C) | 3.2 in | |
| September | 64°F (18°C) | 2.9 in | |
| October | 53°F (12°C) | 2.3 in | |
| November | 41°F (5°C) | 3.0 in | |
| December | 30°F (-1°C) | 2.7 in |
St. Johns has a seasonal temperature swing of 46°F / from 27°F in January to 73°F in July. Total annual precipitation is 35.7 inches, with May being the wettest month (3.8") and February the driest (1.9").