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Williamstown, KY
Full City Profile · Kentucky · Grant County County
3.6
/5.0
B+
Good
3,929
Population
233/sq mi density
$71,761
Median Income
$26,350 per capita
$159,100
Home Value
$264,297 Zillow
$770
Median Rent
28.8% income on rent
56°F
Avg Temperature
293 sunny days/yr
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$71,761 median income, 1.4% unemployment
A+
Affordability
5.0 / 5.0
$159,100 home value, $770/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
C
Education
2.4 / 5.0
17.9% bachelor's degree or higher
Williamstown enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 33°F in January while summers reach 77°F in July. The area gets 293 sunny days per year. Annual precipitation totals 45.9 inches. The area receives 16.0 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
33°F Jan (1°C)
77°F Jul (25°C)
| Annual Average | 56.4°F |
| 4% above US avg | |
| January Average | 33°F (1°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 909 ft (277 m) |
| Area | 17.0 sq mi (43.9 km²) |
| Population Density | 233/sq mi |
| Coordinates | 38.6398°N, 84.5725°W |
| Timezone | America/New_York |
| County | Grant County County |
| Nearest Airport | Cincinnati/Northern Kentucky International (CVG) 29 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 16.3 / 100 |
| Social Vulnerability | 26.8 / 100 |
| Community Resilience | 33.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| 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 | 33°F (1°C) | 2.9 in | Coldest, Driest |
| February | 34°F (1°C) | 2.9 in | |
| March | 43°F (6°C) | 4.3 in | |
| April | 53°F (12°C) | 4.2 in | |
| May | 62°F (17°C) | 4.7 in | Wettest |
| June | 71°F (21°C) | 4.2 in | |
| July | 77°F (25°C) | 4.2 in | Warmest |
| August | 73°F (23°C) | 3.9 in | |
| September | 67°F (19°C) | 3.2 in | |
| October | 55°F (13°C) | 3.0 in | |
| November | 45°F (7°C) | 3.5 in | |
| December | 35°F (2°C) | 3.6 in |
Williamstown has a seasonal temperature swing of 43°F / from 33°F in January to 77°F in July. Total annual precipitation is 44.4 inches, with May being the wettest month (4.7") and January the driest (2.9").