Joanna, SC
Full City Profile · South Carolina · Newberry County County
3.6
/5.0
B+
Good
1,375
Population
438/sq mi density
$42,169
Median Income
$27,877 per capita
$107,800
Home Value
$109,883 Zillow
$597
Median Rent
19.7% income on rent
62°F
Avg Temperature
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$42,169 median income, 1.8% unemployment
A+
Affordability
5.0 / 5.0
$107,800 home value, $597/mo rent
C
Education
2.1 / 5.0
14.1% bachelor's degree or higher
Joanna enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 43°F in January while summers reach 80°F in July. Annual precipitation totals 46.4 inches. The area receives 1.3 inches of snow annually.
Temperature
43°F Jan (6°C)
80°F Jul (27°C)
| Annual Average | 61.8°F |
| 14% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 80°F (27°C) |
Geography
| Elevation | 580 ft (177 m) |
| Area | 3.1 sq mi (8.1 km²) |
| Population Density | 438/sq mi |
| Coordinates | 34.4159°N, 81.8002°W |
| Timezone | America/New_York |
| County | Newberry County County |
| Nearest Airport | Greenville Spartanburg International (GSP) 41 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 62.0 / 100 |
| Social Vulnerability | 73.1 / 100 |
| Community Resilience | 42.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| 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 | 43°F (6°C) | 4.1 in | Coldest |
| February | 46°F (8°C) | 3.7 in | |
| March | 53°F (12°C) | 4.4 in | Wettest |
| April | 61°F (16°C) | 3.4 in | |
| May | 69°F (21°C) | 3.5 in | |
| June | 77°F (25°C) | 4.1 in | |
| July | 80°F (27°C) | 4.1 in | Warmest |
| August | 79°F (26°C) | 4.1 in | |
| September | 74°F (23°C) | 3.7 in | |
| October | 62°F (17°C) | 3.4 in | Driest |
| November | 52°F (11°C) | 3.7 in | |
| December | 45°F (7°C) | 4.4 in |
Joanna has a seasonal temperature swing of 37°F / from 43°F in January to 80°F in July. Total annual precipitation is 46.4 inches, with March being the wettest month (4.4") and October the driest (3.4").