Jeff, KY
Full City Profile · Kentucky · Perry County County
3.8
/5.0
B+
Good
239
Population
314/sq mi density
$250,001
Median Income
$50,918 per capita
56°F
Avg Temperature
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$250,001 median income, 0.0% unemployment
C+
Education
2.7 / 5.0
21.1% bachelor's degree or higher
Jeff enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 36°F in January while summers reach 75°F in July. Annual precipitation totals 53.0 inches. The area receives 8.8 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
36°F Jan (2°C)
75°F Jul (24°C)
| Annual Average | 56.0°F |
| 4% above US avg | |
| January Average | 36°F (2°C) |
| July Average | 75°F (24°C) |
Geography
| Elevation | 1,420 ft (433 m) |
| Area | 0.8 sq mi (2.0 km²) |
| Population Density | 314/sq mi |
| Coordinates | 37.2108°N, 83.1385°W |
| Timezone | America/New_York |
| County | Perry County County |
| Nearest Airport | Lake Cumberland Regional (SME) 82 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
| Good Days % | 82.4% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0414 ppm |
| PM2.5 (Fine Particles) | 8.7 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 73.2 / 100 |
| Social Vulnerability | 61.8 / 100 |
| Community Resilience | 38.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively Moderate |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 4.9 in | Coldest |
| February | 39°F (4°C) | 4.1 in | |
| March | 46°F (8°C) | 4.6 in | |
| April | 56°F (13°C) | 4.8 in | |
| May | 64°F (18°C) | 5.0 in | |
| June | 71°F (22°C) | 5.2 in | |
| July | 75°F (24°C) | 5.4 in | Warmest, Wettest |
| August | 74°F (24°C) | 4.6 in | |
| September | 68°F (20°C) | 3.2 in | Driest |
| October | 58°F (14°C) | 3.2 in | |
| November | 46°F (8°C) | 3.2 in | |
| December | 39°F (4°C) | 4.8 in |
Jeff has a seasonal temperature swing of 39°F / from 36°F in January to 75°F in July. Total annual precipitation is 53.0 inches, with July being the wettest month (5.4") and September the driest (3.2").