Mount Croghan, SC
Full City Profile · South Carolina · Chesterfield County County
3.9
/5.0
B+
Good
138
Population
182/sq mi density
$65,833
Median Income
$30,704 per capita
$106,300
Home Value
$172,816 Zillow
63°F
Avg Temperature
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$65,833 median income, 3.9% unemployment
A+
Affordability
5.0 / 5.0
$106,300 home value, /mo rent
C+
Education
2.6 / 5.0
19.6% bachelor's degree or higher
Mount Croghan enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 44°F in January while summers reach 81°F in July. Annual precipitation totals 48.2 inches. The area receives 3.2 inches of snow annually. Air quality is rated Good with a median AQI of 44.
Temperature
44°F Jan (6°C)
81°F Jul (27°C)
| Annual Average | 62.5°F |
| 16% above US avg | |
| January Average | 44°F (6°C) |
| July Average | 81°F (27°C) |
Geography
| Elevation | 443 ft (135 m) |
| Area | 0.8 sq mi (2.0 km²) |
| Population Density | 182/sq mi |
| Coordinates | 34.7697°N, 80.2264°W |
| Timezone | America/New_York |
| County | Chesterfield County County |
| Nearest Airport | Hartsville Regional (HVS) 26 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
| Good Days % | 64.3% |
| Unhealthy Days | 2 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0419 ppm |
| PM2.5 (Fine Particles) | 7.8 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 74.0 / 100 |
| Social Vulnerability | 83.3 / 100 |
| Community Resilience | 19.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| 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 | 44°F (6°C) | 4.2 in | Coldest |
| February | 47°F (8°C) | 3.3 in | |
| March | 53°F (12°C) | 3.9 in | |
| April | 62°F (17°C) | 3.6 in | |
| May | 70°F (21°C) | 3.1 in | Driest |
| June | 77°F (25°C) | 4.3 in | |
| July | 81°F (27°C) | 4.1 in | Warmest |
| August | 79°F (26°C) | 5.3 in | Wettest |
| September | 74°F (23°C) | 4.4 in | |
| October | 64°F (18°C) | 4.1 in | |
| November | 53°F (11°C) | 3.9 in | |
| December | 46°F (8°C) | 4.1 in |
Mount Croghan has a seasonal temperature swing of 38°F / from 44°F in January to 81°F in July. Total annual precipitation is 48.2 inches, with August being the wettest month (5.3") and May the driest (3.1").