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Weather & Climate in St. Charles, VA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
St. Charles experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 34°F in January while summers reach 74°F in July. The area gets 305 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 49.7 inches (wetter than the 38-inch national average). The area receives 9.3 inches of snow annually. Air quality is rated Good with a median AQI of 35. The city sits at an elevation of 1,533 feet.
Temperature
34°F Jan (1°C)
74°F Jul (23°C)
| Annual Average | 54.8°F |
| 1% above US avg | |
| January Average | 34°F (1°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 1,533 ft (467 m) |
| Area | 0.2 sq mi (0.5 km²) |
| Population Density | 467/sq mi |
| Coordinates | 36.8051°N, 83.0573°W |
| Timezone | America/New_York |
| County | Lee County County |
| Nearest Airport | Mc Ghee Tyson (TYS) 86 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 57.3 / 100 |
| Social Vulnerability | 90.6 / 100 |
| Community Resilience | 1.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Moderate |
| Avalanche | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
97 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Nov 10, 2012 | 6 km W of Blackey, Kentucky | M4.2 | 37 km | 17 km |
| Aug 17, 1990 | 9 km NNW of Loyall, Kentucky | M4.0 | 32 km | 1 km |
| Jan 20, 2020 | 2 km NE of Fincastle, Tennessee | M3.8 | 96 km | 35 km |
| Jul 30, 1997 | 6 km NNE of Tazewell, Tennessee | M3.8 | 55 km | 23 km |
| Sep 17, 2004 | 8 km ESE of Corbin, Kentucky | M3.7 | 85 km | 1 km |
| Feb 12, 1994 | 10 km NNW of Abingdon, Virginia | M3.4 | 94 km | 5 km |
| Jun 26, 1995 | 6 km NNW of Trout Dale, Virginia | M3.4 | 141 km | 2 km |
| Jun 16, 2006 | 9 km W of Maggie Valley, North Carolina | M3.4 | 144 km | 1 km |
| Mar 5, 2019 | 7 km NE of Maynardville, Tennessee | M3.4 | 83 km | 17 km |
| Aug 31, 2009 | 2 km NNE of Friendsville, Tennessee | M3.3 | 149 km | 14 km |
| Apr 20, 2010 | 4 km SW of Maryville, Tennessee | M3.3 | 147 km | 2 km |
| Jun 4, 2023 | 4 km NNW of West Canton, North Carolina | M3.2 | 137 km | 0 km |
| Nov 8, 1990 | 5 km SW of Blackey, Kentucky | M3.2 | 34 km | 0 km |
| Jul 26, 2001 | 11 km S of New Market, Tennessee | M3.2 | 100 km | 17 km |
| Jul 26, 2001 | 11 km N of Sevierville, Tennessee | M3.2 | 103 km | 14 km |
| Jan 27, 2009 | 4 km NE of Williamsburg, Kentucky | M3.2 | 96 km | 26 km |
| Jan 17, 1999 | 7 km NNW of Flat Lick, Kentucky | M3.1 | 67 km | 1 km |
| Apr 29, 2018 | 10 km WSW of Bean Station, Tennessee | M3.1 | 64 km | 21 km |
| Jan 1, 1993 | 4 km SSW of Spruce Pine, North Carolina | M3.0 | 135 km | 2 km |
| Nov 24, 2012 | 7 km NE of Sevierville, Tennessee | M3.0 | 106 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 1989 | Hugo | Category 1 | - | 293 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tornado History
135 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 13 fatalities, 247 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 27, 2014 | EF3 | 90 km | 4.7 mi | 0 |
| Apr 27, 2011 | EF3 | 84 km | 13.6 mi | 2 |
| Apr 27, 2011 | EF3 | 89 km | 15.8 mi | 6 |
| May 9, 1988 | EF3 | 66 km | 5.0 mi | 1 |
| Jul 10, 1980 | EF3 | 92 km | 1.9 mi | 0 |
| Jun 29, 1973 | EF3 | 98 km | 0.5 mi | 0 |
| Mar 12, 1967 | EF3 | 96 km | 2.0 mi | 0 |
| Mar 2, 2012 | EF2 | 61 km | 2.6 mi | 0 |
| Apr 27, 2011 | EF2 | 66 km | 8.8 mi | 0 |
| May 8, 2009 | EF2 | 54 km | 1.7 mi | 0 |
| May 8, 2009 | EF2 | 100 km | 1.1 mi | 0 |
| May 8, 2009 | EF2 | 60 km | 2.2 mi | 0 |
| Jun 2, 2001 | EF2 | 98 km | 7.0 mi | 0 |
| May 18, 1995 | EF2 | 70 km | 24.0 mi | 0 |
| May 6, 1984 | EF2 | 98 km | 5.0 mi | 0 |
| Jul 6, 1980 | EF2 | 30 km | 11.5 mi | 0 |
| Feb 18, 1976 | EF2 | 96 km | 1.0 mi | 0 |
| Apr 3, 1974 | EF2 | 96 km | 19.8 mi | 0 |
| Apr 22, 1967 | EF2 | 75 km | 0.2 mi | 0 |
| Mar 12, 1967 | EF2 | 76 km | 16.0 mi | 1 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (66,345 acres, 1987).
| Year | Name | Acres Burned | Distance |
| 1987 | UNNAMED | 66,345 | 77 km |
| 1987 | UNNAMED | 66,145 | 78 km |
| 1987 | UNNAMED | 32,565 | 98 km |
| 2001 | UNNAMED | 18,013 | 70 km |
| 1999 | UNNAMED | 17,759 | 76 km |
| 1991 | UNNAMED | 17,406 | 62 km |
| 1999 | UNNAMED | 17,328 | 61 km |
| 1994 | UNNAMED | 15,526 | 66 km |
| 1987 | UNNAMED | 15,138 | 9 km |
| 1987 | UNNAMED | 13,124 | 91 km |
| 1987 | UNNAMED | 11,817 | 68 km |
| 1999 | UNNAMED | 10,990 | 75 km |
| 1987 | UNNAMED | 10,817 | 100 km |
| 1987 | UNNAMED | 10,327 | 89 km |
| 1987 | UNNAMED | 9,572 | 71 km |
| 1999 | UNNAMED | 9,384 | 97 km |
| 1991 | UNNAMED | 9,084 | 77 km |
| 1987 | UNNAMED | 9,084 | 38 km |
| 2001 | UNNAMED | 8,287 | 96 km |
| 1991 | UNNAMED | 8,204 | 100 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 3.9 in | Coldest |
| February | 36°F (2°C) | 3.9 in | |
| March | 45°F (7°C) | 4.5 in | |
| April | 53°F (12°C) | 4.1 in | |
| May | 61°F (16°C) | 4.8 in | Wettest |
| June | 69°F (20°C) | 4.2 in | |
| July | 74°F (23°C) | 4.6 in | Warmest |
| August | 72°F (22°C) | 4.0 in | |
| September | 66°F (19°C) | 3.5 in | |
| October | 55°F (13°C) | 3.1 in | Driest |
| November | 45°F (7°C) | 3.9 in | |
| December | 37°F (3°C) | 4.1 in |
St. Charles has a seasonal temperature swing of 40°F / from 34°F in January to 74°F in July. Total annual precipitation is 48.6 inches, with May being the wettest month (4.8") and October the driest (3.1").