Port Jefferson, OH
Full City Profile · Ohio · Shelby County County
3.1
/5.0
B
Good
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
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$50,714 median income, 11.0% unemployment
A+
Affordability
5.0 / 5.0
$109,400 home value, $850/mo rent
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. Annual precipitation totals 41.7 inches. The area receives 15.2 inches of snow annually.
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) |
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
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) | 2.9 in | Coldest |
| February | 29°F (-2°C) | 2.3 in | Driest |
| March | 39°F (4°C) | 3.2 in | |
| April | 50°F (10°C) | 4.1 in | |
| May | 61°F (16°C) | 4.1 in | |
| June | 70°F (21°C) | 4.7 in | Wettest |
| July | 73°F (23°C) | 4.6 in | Warmest |
| August | 71°F (22°C) | 3.8 in | |
| September | 65°F (18°C) | 3.1 in | |
| October | 53°F (12°C) | 2.9 in | |
| November | 41°F (5°C) | 3.2 in | |
| December | 32°F (-0°C) | 2.9 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 41.7 inches, with June being the wettest month (4.7") and February the driest (2.3").