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South Londonderry, VT
Full City Profile · Vermont · Windsor County County
2.8
/5.0
C+
Fair
184
Population
297/sq mi density
$61,964
Median Income
$47,938 per capita
43°F
Avg Temperature
259 sunny days/yr
162
Violent Crime/100K
421 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$61,964 median income, 0.0% unemployment
F
Safety
1.0 / 5.0
162 violent crimes/100K
B
Education
3.2 / 5.0
28.1% bachelor's degree or higher
South Londonderry has a cool climate with an average annual temperature of 43°F (6°C). Winters average 17°F in January while summers reach 66°F in July. The area gets 259 sunny days per year. Annual precipitation totals 51.0 inches. Air quality is rated Good with a median AQI of 31.
Temperature
17°F Jan (-8°C)
66°F Jul (19°C)
| Annual Average | 42.5°F |
| 21% below US avg | |
| January Average | 17°F (-8°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 259 days/yr |
Geography
| Elevation | 1,172 ft (357 m) |
| Area | 0.6 sq mi (1.7 km²) |
| Population Density | 297/sq mi |
| Coordinates | 43.1914°N, 72.8083°W |
| Timezone | America/New_York |
| County | Windsor County County |
| Nearest Airport | Rutland/Southern Vermont Regional (RUT) 24 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 31.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 61.6 / 100 |
| Social Vulnerability | 24.6 / 100 |
| Community Resilience | 72.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively Moderate |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 17°F (-8°C) | 3.6 in | Coldest |
| February | 19°F (-7°C) | 3.4 in | Driest |
| March | 29°F (-2°C) | 3.9 in | |
| April | 40°F (5°C) | 4.1 in | |
| May | 53°F (12°C) | 4.6 in | |
| June | 61°F (16°C) | 4.3 in | |
| July | 66°F (19°C) | 4.2 in | Warmest |
| August | 65°F (18°C) | 4.7 in | Wettest |
| September | 56°F (14°C) | 3.9 in | |
| October | 46°F (8°C) | 4.1 in | |
| November | 35°F (2°C) | 4.5 in | |
| December | 23°F (-5°C) | 4.3 in |
South Londonderry has a seasonal temperature swing of 48°F / from 17°F in January to 66°F in July. Total annual precipitation is 49.5 inches, with August being the wettest month (4.7") and February the driest (3.4").