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Weather & Climate in Mount Hermon, VA

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Mount Hermon enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 38°F in January while summers reach 79°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 47.1 inches (wetter than the 38-inch national average). The area receives 4.6 inches of snow annually. Air quality is rated Good with a median AQI of 35. The city sits at an elevation of 621 feet.

Temperature

38°F Jan (3°C) 79°F Jul (26°C)
Annual Average58.6°F
9% above US avg
January Average38°F (3°C)
July Average79°F (26°C)
Sunny Days305 days/yr

Geography

Elevation621 ft (189 m)
Area5.4 sq mi (13.9 km²)
Population Density768/sq mi
Coordinates36.6687°N, 79.4222°W
TimezoneAmerica/New_York
CountyDanville city County
Nearest AirportDanville Regional (DAN)
8 miles away

Precipitation & Snow

Annual Rainfall 47.1"
24% above US avg
Snowfall 4.6"
Wettest Month (Jul) 4.41"
Driest Month (Dec) 3.27"

Air Quality

AQI Median35.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score68.0 / 100
Social Vulnerability88.2 / 100
Community Resilience55.2 / 100

Hazard Breakdown

Tornado Relatively Low
Hurricane Relatively Low
Earthquake Relatively Low
Wildfire Very Low
Flood Relatively Moderate
Hail Relatively Low
Strong Wind Relatively Low
Heat Wave Relatively Low
Winter Weather Relatively Moderate
Lightning Relatively Low
Ice Storm Relatively Moderate
Drought No Rating
Cold Wave Relatively Low
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

18 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.

Oct 21, 1998 13 km S of Dillwyn, Virginia M3.8 121 km 13 km
Sep 13, 2017 11 km NE of Peterstown, West Virginia M3.2 145 km 18 km
May 16, 2009 2 km NNE of Cave Spring, Virginia M3.0 83 km 13 km
May 6, 2025 8 km S of Dillwyn, Virginia M3.0 122 km 8 km
Jan 22, 1995 0 km WNW of Pulaski, Virginia M2.9 129 km 9 km
Jul 4, 2009 3 km E of Narrows, Virginia M2.8 141 km 0 km
Jul 15, 2021 10 km S of Narrows, Virginia M2.8 140 km 20 km
May 12, 2017 6 km SSW of Narrows, Virginia M2.8 143 km 4 km
Jul 6, 2023 5 km S of Hillsville, Virginia M2.7 116 km 0 km
Aug 18, 2000 2 km SSE of Narrows, Virginia M2.7 74 km 10 km
Jul 12, 1993 5 km SW of Greensboro, North Carolina M2.7 79 km 5 km
Nov 25, 2009 14 km S of Arrington, Virginia M2.7 111 km 0 km
Mar 28, 2001 2 km S of Narrows, Virginia M2.6 143 km 0 km
Jul 8, 2023 Virginia-North Carolina border region M2.6 117 km 4 km
Jun 17, 2023 2 km N of Pembroke, Virginia M2.6 132 km 9 km
Mar 26, 2019 8 km E of Archdale, North Carolina M2.5 92 km 4 km
Mar 28, 2011 2 km S of Pulaski, Virginia M2.5 127 km 3 km
Sep 3, 2001 Virginia M2.5 131 km 5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

6 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.

Year Name Category Max Wind Closest
2003 Isabel Category 2 104 mph 154 km
1999 Floyd Category 1 81 mph 259 km
1998 Bonnie Category 2 109 mph 286 km
1996 Bertha Category 2 104 mph 248 km
1996 Fran Category 2 75 mph 176 km
1989 Hugo Category 1 — 266 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

208 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 8 fatalities, 189 injuries.

Date Rating Distance Path Fatalities
Apr 19, 2019 EF3 47 km 8.1 mi 0
Apr 15, 2018 EF3 75 km 20.4 mi 0
Feb 24, 2016 EF3 80 km 16.9 mi 1
Mar 28, 2010 EF3 98 km 4.3 mi 0
Mar 20, 1998 EF3 58 km 12.0 mi 2
Nov 23, 1992 EF3 69 km 5.5 mi 2
May 5, 1989 EF3 97 km 10.5 mi 0
May 22, 1985 EF3 99 km 3.5 mi 0
Mar 24, 1969 EF3 56 km 0.1 mi 1
Sep 27, 2024 EF2 8 km 6.9 mi 0
May 27, 2022 EF2 79 km 6.3 mi 0
Apr 19, 2019 EF2 86 km 10.1 mi 0
Nov 2, 2018 EF2 55 km 1.7 mi 0
Apr 15, 2018 EF2 76 km 32.8 mi 0
Feb 24, 2016 EF2 86 km 5.1 mi 0
Apr 27, 2011 EF2 32 km 18.1 mi 1
Apr 16, 2011 EF2 45 km 26.2 mi 0
Oct 27, 2010 EF2 49 km 3.9 mi 0
May 8, 2008 EF2 86 km 3.9 mi 1
Sep 17, 2004 EF2 47 km 8.8 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

9 wildfires (100+ acres) recorded within 100 km. Largest: ANGEL (4,129 acres, 2008).

Year Name Acres Burned Distance
2008 ANGEL 4,129 93 km
2006 BULL MOUNTAIN 3,300 69 km
2008 BLACKHORSE 1,537 89 km
1999 FORT LEWIS MTN. 1,525 94 km
1999 PURGATORY MTN. 1,366 100 km
2022 VAF220152 1,173 88 km
2006 QUARRY 1,168 88 km
2008 TOTIERS FERRY 1,075 43 km
2002 BUCK MTN 905 76 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 38°F (3°C) 3.5 in Coldest
February 39°F (4°C) 3.4 in
March 48°F (9°C) 4.1 in
April 57°F (14°C) 3.5 in
May 65°F (18°C) 4.1 in
June 73°F (23°C) 3.6 in
July 79°F (26°C) 4.4 in Warmest, Wettest
August 75°F (24°C) 3.9 in
September 69°F (21°C) 3.9 in
October 57°F (14°C) 3.7 in
November 48°F (9°C) 3.3 in
December 40°F (4°C) 3.3 in Driest

Mount Hermon has a seasonal temperature swing of 41°F / from 38°F in January to 79°F in July. Total annual precipitation is 44.7 inches, with July being the wettest month (4.4") and December the driest (3.3").

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