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Fairfield, KY
Full City Profile · Kentucky · Nelson County County
3.0
/5.0
B
Good
187
Population
645/sq mi density
$88,073
Median Income
$28,961 per capita
57°F
Avg Temperature
299 sunny days/yr
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$88,073 median income, 1.1% unemployment
C+
Safety
2.5 / 5.0
0 violent crimes/100K
D
Education
1.6 / 5.0
6.9% bachelor's degree or higher
Fairfield enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 35°F in January while summers reach 77°F in July. The area gets 299 sunny days per year. Annual precipitation totals 51.6 inches. The area receives 11.9 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
35°F Jan (2°C)
77°F Jul (25°C)
| Annual Average | 56.8°F |
| 5% above US avg | |
| January Average | 35°F (2°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 710 ft (216 m) |
| Area | 0.3 sq mi (0.8 km²) |
| Population Density | 645/sq mi |
| Coordinates | 37.9312°N, 85.3861°W |
| Timezone | America/New_York |
| County | Nelson County County |
| Nearest Airport | Louisville Muhammad Ali International (SDF) 25 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 55.2 / 100 |
| Social Vulnerability | 29.1 / 100 |
| Community Resilience | 82.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively 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 | 35°F (2°C) | 3.3 in | Coldest |
| February | 36°F (2°C) | 3.7 in | |
| March | 46°F (8°C) | 4.6 in | |
| April | 55°F (13°C) | 4.5 in | |
| May | 64°F (18°C) | 5.0 in | Wettest |
| June | 72°F (22°C) | 4.1 in | |
| July | 77°F (25°C) | 5.0 in | Warmest |
| August | 75°F (24°C) | 3.7 in | |
| September | 68°F (20°C) | 3.5 in | |
| October | 57°F (14°C) | 2.9 in | Driest |
| November | 47°F (8°C) | 3.9 in | |
| December | 37°F (3°C) | 4.4 in |
Fairfield has a seasonal temperature swing of 42°F / from 35°F in January to 77°F in July. Total annual precipitation is 48.4 inches, with May being the wettest month (5.0") and October the driest (2.9").