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Port Jefferson, OH
Full City Profile · Ohio · Shelby County County
2.7
/5.0
C+
Fair
361
Population
2,407/sq mi density
$50,714
Median Income
$29,980 per capita
$109,400
Home Value
$206,109 Zillow
$850
Median Rent
18.0% income on rent
51°F
Avg Temperature
275 sunny days/yr
177
Violent Crime/100K
4,308 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$50,714 median income, 6.8% unemployment
A+
Affordability
5.0 / 5.0
$109,400 home value, $850/mo rent
F
Safety
1.0 / 5.0
177 violent crimes/100K
F
Education
1.5 / 5.0
6.0% bachelor's degree or higher
Port Jefferson experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 26°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 41.7 inches. Air quality is rated Good with a median AQI of 43.
Temperature
26°F Jan (-3°C)
73°F Jul (23°C)
| Annual Average | 50.9°F |
| 6% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 970 ft (296 m) |
| Area | 0.2 sq mi (0.4 km²) |
| Population Density | 2,407/sq mi |
| Coordinates | 40.3306°N, 84.0925°W |
| Timezone | America/New_York |
| County | Shelby County County |
| Nearest Airport | James M Cox Dayton International (DAY) 30 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 56.2 / 100 |
| Social Vulnerability | 51.4 / 100 |
| Community Resilience | 91.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Very 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 | 26°F (-3°C) | 2.1 in | Coldest |
| February | 28°F (-2°C) | 2.0 in | Driest |
| March | 39°F (4°C) | 3.1 in | |
| April | 49°F (10°C) | 3.7 in | |
| May | 60°F (16°C) | 4.0 in | |
| June | 69°F (21°C) | 3.9 in | |
| July | 73°F (23°C) | 4.0 in | Warmest, Wettest |
| August | 71°F (22°C) | 3.4 in | |
| September | 64°F (18°C) | 2.7 in | |
| October | 53°F (12°C) | 2.6 in | |
| November | 42°F (5°C) | 3.1 in | |
| December | 31°F (-1°C) | 2.8 in |
Port Jefferson has a seasonal temperature swing of 47°F / from 26°F in January to 73°F in July. Total annual precipitation is 37.2 inches, with July being the wettest month (4.0") and February the driest (2.0").