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Weather & Climate in Chatmoss, VA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chatmoss enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 36°F in January while summers reach 76°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 47.4 inches (wetter than the 38-inch national average). The area receives 9.4 inches of snow annually. Air quality is rated Good with a median AQI of 35. The city sits at an elevation of 752 feet.
Temperature
36°F Jan (2°C)
76°F Jul (24°C)
| Annual Average | 56.0°F |
| 4% above US avg | |
| January Average | 36°F (2°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 752 ft (229 m) |
| Area | 5.4 sq mi (13.9 km²) |
| Population Density | 280/sq mi |
| Coordinates | 36.6767°N, 79.8084°W |
| Timezone | America/New_York |
| County | Martinsville city County |
| Nearest Airport | Danville Regional (DAN) 27 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 9.6 / 100 |
| Social Vulnerability | 83.2 / 100 |
| Community Resilience | 72.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| Cold Wave | Very Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
24 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Oct 21, 1998 | 13 km S of Dillwyn, Virginia | M3.8 | 147 km | 13 km |
| Apr 22, 1991 | 14 km ESE of Falling Spring, West Virginia | M3.5 | 145 km | 15 km |
| Jun 26, 1995 | 6 km NNW of Trout Dale, Virginia | M3.4 | 149 km | 2 km |
| Sep 13, 2017 | 11 km NE of Peterstown, West Virginia | M3.2 | 119 km | 18 km |
| Dec 4, 2001 | 9 km W of Alderson, West Virginia | M3.1 | 144 km | 9 km |
| May 16, 2009 | 2 km NNE of Cave Spring, Virginia | M3.0 | 66 km | 13 km |
| May 6, 2025 | 8 km S of Dillwyn, Virginia | M3.0 | 148 km | 8 km |
| Jan 22, 1995 | 0 km WNW of Pulaski, Virginia | M2.9 | 97 km | 9 km |
| Jul 4, 2009 | 3 km E of Narrows, Virginia | M2.8 | 113 km | 0 km |
| Jul 15, 2021 | 10 km S of Narrows, Virginia | M2.8 | 110 km | 20 km |
| May 12, 2017 | 6 km SSW of Narrows, Virginia | M2.8 | 114 km | 4 km |
| Jul 6, 2023 | 5 km S of Hillsville, Virginia | M2.7 | 82 km | 0 km |
| Aug 25, 2011 | 14 km SE of Falling Spring, West Virginia | M2.7 | 142 km | 13 km |
| Aug 18, 2000 | 2 km SSE of Narrows, Virginia | M2.7 | 58 km | 10 km |
| Nov 25, 2009 | 14 km S of Arrington, Virginia | M2.7 | 129 km | 0 km |
| Jul 12, 1993 | 5 km SW of Greensboro, North Carolina | M2.7 | 71 km | 5 km |
| Jun 10, 2018 | 2 km NE of Hays, North Carolina | M2.7 | 124 km | 2 km |
| Mar 28, 2001 | 2 km S of Narrows, Virginia | M2.6 | 114 km | 0 km |
| Jul 8, 2023 | Virginia-North Carolina border region | M2.6 | 83 km | 4 km |
| Feb 4, 2021 | 1 km SSW of Sparta, North Carolina | M2.6 | 120 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
5 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2003 | Isabel | Category 1 | 75 mph | 188 km |
| 1999 | Floyd | Category 1 | 81 mph | 291 km |
| 1996 | Bertha | Category 2 | 104 mph | 273 km |
| 1996 | Fran | Category 2 | 75 mph | 192 km |
| 1989 | Hugo | Category 1 | — | 249 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
208 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 7 fatalities, 214 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 19, 2019 | EF3 | 21 km | 8.1 mi | 0 |
| Apr 15, 2018 | EF3 | 88 km | 20.4 mi | 0 |
| Mar 28, 2010 | EF3 | 83 km | 4.3 mi | 0 |
| May 8, 2008 | EF3 | 93 km | 2.9 mi | 0 |
| May 7, 1998 | EF3 | 89 km | 2.0 mi | 0 |
| Mar 20, 1998 | EF3 | 34 km | 12.0 mi | 2 |
| Nov 23, 1992 | EF3 | 87 km | 5.5 mi | 2 |
| May 5, 1989 | EF3 | 75 km | 10.5 mi | 0 |
| May 22, 1985 | EF3 | 76 km | 3.5 mi | 0 |
| Mar 24, 1969 | EF3 | 90 km | 0.1 mi | 1 |
| Sep 27, 2024 | EF2 | 31 km | 6.9 mi | 0 |
| May 27, 2022 | EF2 | 87 km | 6.3 mi | 0 |
| Mar 23, 2022 | EF2 | 70 km | 1.9 mi | 0 |
| Nov 2, 2018 | EF2 | 88 km | 1.7 mi | 0 |
| Apr 15, 2018 | EF2 | 70 km | 32.8 mi | 0 |
| May 24, 2017 | EF2 | 73 km | 16.1 mi | 0 |
| Apr 27, 2011 | EF2 | 65 km | 18.1 mi | 1 |
| Apr 16, 2011 | EF2 | 76 km | 26.2 mi | 0 |
| Apr 8, 2011 | EF2 | 98 km | 1.9 mi | 0 |
| Oct 27, 2010 | EF2 | 84 km | 3.9 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: ANGEL (4,129 acres, 2008).
| Year | Name | Acres Burned | Distance |
| 2008 | ANGEL | 4,129 | 79 km |
| 2006 | BULL MOUNTAIN | 3,300 | 35 km |
| 2008 | LITTLE CUBA | 3,017 | 92 km |
| 1995 | COVE | 1,675 | 86 km |
| 2008 | BLACKHORSE | 1,537 | 83 km |
| 1999 | FORT LEWIS MTN. | 1,525 | 77 km |
| 1999 | PURGATORY MTN. | 1,366 | 97 km |
| 2022 | VAF220152 | 1,173 | 82 km |
| 2006 | QUARRY | 1,168 | 81 km |
| 2021 | GRINDSTONE | 1,106 | 71 km |
| 2008 | TOTIERS FERRY | 1,075 | 49 km |
| 2024 | HUCKLEBERRY KNOB | 950 | 89 km |
| 2002 | BUCK MTN | 905 | 59 km |
| 2011 | CC | 795 | 99 km |
| 2019 | UNNAMED | 794 | 88 km |
| 2011 | LUMBER PLANT | 779 | 95 km |
| 2020 | UNNAMED | 752 | 99 km |
| 2000 | MERRITT CK | 750 | 97 km |
| 2011 | PICKLE BRANCH | 669 | 86 km |
| 2021 | UNNAMED | 591 | 93 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 3.4 in | Coldest |
| February | 39°F (4°C) | 3.5 in | |
| March | 47°F (8°C) | 4.1 in | |
| April | 56°F (13°C) | 3.7 in | |
| May | 64°F (18°C) | 4.3 in | |
| June | 72°F (22°C) | 3.8 in | |
| July | 76°F (24°C) | 4.7 in | Warmest, Wettest |
| August | 74°F (24°C) | 4.0 in | |
| September | 68°F (20°C) | 4.0 in | |
| October | 57°F (14°C) | 3.9 in | |
| November | 48°F (9°C) | 3.4 in | Driest |
| December | 40°F (4°C) | 3.4 in |
Chatmoss has a seasonal temperature swing of 40°F / from 36°F in January to 76°F in July. Total annual precipitation is 46.0 inches, with July being the wettest month (4.7") and November the driest (3.4").