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Watts Mills, SC
Full City Profile · South Carolina · Union County County
2.6
/5.0
C+
Fair
2,250
Population
991/sq mi density
$47,192
Median Income
$16,079 per capita
$818
Median Rent
23.0% income on rent
60°F
Avg Temperature
310 sunny days/yr
829
Violent Crime/100K
4,672 property/100K
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.1 / 5.0
$47,192 median income, 7.3% unemployment
A+
Affordability
4.9 / 5.0
F
Safety
1.0 / 5.0
829 violent crimes/100K (118% above avg)
F
Education
1.2 / 5.0
2.6% bachelor's degree or higher
Watts Mills enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 41°F in January while summers reach 79°F in July. The area gets 310 sunny days per year. Annual precipitation totals 45.3 inches. The area receives 1.9 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
41°F Jan (5°C)
79°F Jul (26°C)
| Annual Average | 60.4°F |
| 12% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 651 ft (198 m) |
| Area | 0.9 sq mi (2.3 km²) |
| Population Density | 991/sq mi |
| Coordinates | 34.5162°N, 81.9855°W |
| Timezone | America/New_York |
| County | Union County County |
| Nearest Airport | Greenville Spartanburg International (GSP) 29 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 58.2 / 100 |
| Social Vulnerability | 95.6 / 100 |
| Community Resilience | 40.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 4.7 in | Coldest |
| February | 45°F (7°C) | 4.2 in | |
| March | 52°F (11°C) | 5.0 in | Wettest |
| April | 60°F (15°C) | 3.3 in | Driest |
| May | 68°F (20°C) | 3.8 in | |
| June | 75°F (24°C) | 3.9 in | |
| July | 79°F (26°C) | 3.9 in | Warmest |
| August | 78°F (25°C) | 4.1 in | |
| September | 72°F (22°C) | 3.9 in | |
| October | 61°F (16°C) | 3.8 in | |
| November | 51°F (11°C) | 3.7 in | |
| December | 44°F (7°C) | 3.7 in |
Watts Mills has a seasonal temperature swing of 38°F / from 41°F in January to 79°F in July. Total annual precipitation is 47.8 inches, with March being the wettest month (5.0") and April the driest (3.3").