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Weather & Climate in Hartville, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hartville experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 31°F in January while summers reach 77°F in July. The area gets 258 sunny days per year, above the national average. Annual precipitation totals 43.2 inches. The area receives 5.1 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 1,217 feet.
Temperature
31°F Jan (-1°C)
77°F Jul (25°C)
| Annual Average | 55.0°F |
| 2% above US avg | |
| January Average | 31°F (-1°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 258 days/yr |
Geography
| Elevation | 1,217 ft (371 m) |
| Area | 0.7 sq mi (1.7 km²) |
| Population Density | 948/sq mi |
| Coordinates | 37.2484°N, 92.5127°W |
| Timezone | America/Chicago |
| Nearest Airport | Waynesville-St Robert Regional Forney Field (TBN) 40 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
27 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Jul 7, 1991 | 11 km ENE of Brandsville, Missouri | M3.9 | 105 km | 8 km |
| Aug 16, 2003 | 5 km W of Thomasville, Missouri | M3.7 | 96 km | 0 km |
| Sep 12, 2019 | 13 km N of Big Flat, Arkansas | M3.7 | 125 km | 18 km |
| Jun 11, 2017 | 6 km NNE of Bergman, Arkansas | M3.6 | 106 km | 6 km |
| Mar 30, 2001 | 1 km SW of Hermitage, Missouri | M3.1 | 105 km | 5 km |
| Jan 21, 1992 | 5 km SE of Linn Creek, Missouri | M3.1 | 85 km | 5 km |
| Mar 18, 1990 | 9 km W of Alton, Missouri | M3.0 | 109 km | 1 km |
| Jun 27, 2025 | 12 km WSW of Grandin, Missouri | M2.9 | 149 km | 10 km |
| Jul 8, 2003 | 1 km N of Leasburg, Missouri | M2.9 | 144 km | 4 km |
| Jun 16, 2017 | 6 km N of Bergman, Arkansas | M2.9 | 106 km | 6 km |
| Mar 12, 1990 | 9 km NNE of Briarcliff, Arkansas | M2.8 | 102 km | 0 km |
| May 14, 2007 | 12 km NE of Alton, Missouri | M2.7 | 119 km | 8 km |
| Nov 26, 1999 | 9 km NNE of Mountain Home, Arkansas | M2.7 | 93 km | 3 km |
| Jul 3, 2014 | 6 km S of Yellville, Arkansas | M2.7 | 122 km | 8 km |
| Oct 26, 1998 | 10 km NE of Van Buren, Missouri | M2.7 | 141 km | 4 km |
| Feb 14, 2019 | 11 km WSW of Mountain View, Missouri | M2.6 | 71 km | 7 km |
| Oct 8, 1996 | 18 km NNW of Ravenden Springs, Arkansas | M2.6 | 139 km | 11 km |
| Sep 20, 1997 | 6 km NE of Ellington, Missouri | M2.6 | 141 km | 8 km |
| Apr 23, 2025 | 3 km E of Hartville, Missouri | M2.6 | 4 km | 4 km |
| Mar 1, 2016 | 8 km NW of Ravenden Springs, Arkansas | M2.5 | 146 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
442 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 27 fatalities, 424 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Nov 29, 1991 | EF4 | 72 km | 10.0 mi | 2 |
| Apr 2, 1982 | EF4 | 80 km | 20.0 mi | 2 |
| Sep 26, 1959 | EF4 | 18 km | 7.8 mi | 0 |
| Mar 25, 1954 | EF4 | 26 km | 12.1 mi | 2 |
| May 26, 2024 | EF3 | 69 km | 12.4 mi | 0 |
| Dec 31, 2010 | EF3 | 99 km | 11.0 mi | 2 |
| Dec 31, 2010 | EF3 | 56 km | 7.5 mi | 0 |
| May 8, 2009 | EF3 | 66 km | 2.2 mi | 0 |
| Jan 7, 2008 | EF3 | 83 km | 1.8 mi | 0 |
| Jan 7, 2008 | EF3 | 57 km | 50.4 mi | 3 |
| Jan 7, 2008 | EF3 | 85 km | 4.7 mi | 0 |
| Mar 1, 2007 | EF3 | 80 km | 15.0 mi | 1 |
| Mar 12, 2006 | EF3 | 32 km | 32.0 mi | 0 |
| May 4, 2003 | EF3 | 78 km | 14.0 mi | 4 |
| Apr 29, 1983 | EF3 | 83 km | 5.5 mi | 1 |
| Apr 2, 1982 | EF3 | 98 km | 1.5 mi | 2 |
| Apr 11, 1979 | EF3 | 43 km | 35.4 mi | 0 |
| May 15, 1968 | EF3 | 97 km | 7.3 mi | 3 |
| May 21, 1957 | EF3 | 96 km | 10.2 mi | 0 |
| May 26, 2024 | EF2 | 97 km | 3.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (7,388 acres, 1994).
| Year | Name | Acres Burned | Distance |
| 1994 | UNNAMED | 7,388 | 81 km |
| 2007 | UNNAMED | 6,931 | 66 km |
| 2011 | UNNAMED | 6,686 | 71 km |
| 2010 | BRUSHY/CLAYTON | 6,401 | 65 km |
| 2020 | BIG CREEK | 6,399 | 71 km |
| 1994 | UNNAMED | 5,344 | 62 km |
| 2021 | ROCK PILE | 5,067 | 56 km |
| 2006 | BIG SPRING FIRE | 4,921 | 80 km |
| 2010 | UNNAMED | 4,767 | 82 km |
| 2023 | ELM SPRINGS RX | 4,378 | 79 km |
| 2009 | MOUNTAIN CREEK | 4,322 | 67 km |
| 1991 | UNNAMED | 4,179 | 68 km |
| 2016 | BIG CREEK | 4,031 | 74 km |
| 2023 | CANNON RANGE RX | 3,870 | 48 km |
| 2021 | UNNAMED | 3,665 | 47 km |
| 1992 | UNNAMED | 3,538 | 84 km |
| 1991 | UNNAMED | 3,533 | 62 km |
| 1991 | UNNAMED | 3,492 | 74 km |
| 1994 | UNNAMED | 3,336 | 75 km |
| 2021 | KAINTUCK | 3,325 | 84 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 1.9 in | Coldest, Driest |
| February | 36°F (2°C) | 2.2 in | |
| March | 45°F (7°C) | 3.9 in | |
| April | 55°F (13°C) | 4.0 in | |
| May | 64°F (18°C) | 4.8 in | Wettest |
| June | 72°F (22°C) | 4.3 in | |
| July | 77°F (25°C) | 3.6 in | Warmest |
| August | 76°F (24°C) | 3.4 in | |
| September | 68°F (20°C) | 4.3 in | |
| October | 57°F (14°C) | 3.7 in | |
| November | 45°F (7°C) | 3.8 in | |
| December | 35°F (2°C) | 3.2 in |
Hartville has a seasonal temperature swing of 46°F / from 31°F in January to 77°F in July. Total annual precipitation is 43.2 inches, with May being the wettest month (4.8") and January the driest (1.9").