Weather & Climate in Shell Knob, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shell Knob enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 33°F in January while summers reach 78°F in July. Annual precipitation totals 45.5 inches. The area receives 6.9 inches of snow annually. The city sits at an elevation of 906 feet.
Temperature
33°F Jan (1°C)
78°F Jul (25°C)
| Annual Average | 56.2°F |
| 4% above US avg | |
| January Average | 33°F (1°C) |
| July Average | 78°F (25°C) |
Geography
| Elevation | 906 ft (276 m) |
| Area | 10.8 sq mi (28.0 km²) |
| Population Density | 152/sq mi |
| Coordinates | 36.6053°N, 93.5981°W |
| Timezone | America/Chicago |
| Nearest Airport | Northwest Arkansas Ntl (XNA) 45 miles away |
Precipitation & Snow
Air Quality
Earthquake History
25 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Sep 12, 2019 | 13 km N of Big Flat, Arkansas | M3.7 | 119 km | 18 km |
| Jun 11, 2017 | 6 km NNE of Bergman, Arkansas | M3.6 | 60 km | 6 km |
| Nov 15, 1990 | 16 km NNW of Hector, Arkansas | M3.5 | 122 km | 29 km |
| Jun 27, 2000 | 15 km WSW of Marshall, Arkansas | M3.4 | 112 km | 0 km |
| Mar 30, 2001 | 1 km SW of Hermitage, Missouri | M3.1 | 150 km | 5 km |
| Jun 16, 2017 | 6 km N of Bergman, Arkansas | M2.9 | 60 km | 6 km |
| Mar 12, 1990 | 9 km NNE of Briarcliff, Arkansas | M2.8 | 124 km | 0 km |
| Apr 3, 2013 | 10 km WSW of Clinton, Arkansas | M2.8 | 150 km | 0 km |
| Jul 28, 2016 | 4 km ENE of Dover, Arkansas | M2.8 | 140 km | 2 km |
| Jan 7, 2009 | 10 km WSW of Clinton, Arkansas | M2.7 | 148 km | 0 km |
| Nov 26, 1999 | 9 km NNE of Mountain Home, Arkansas | M2.7 | 113 km | 3 km |
| Jul 3, 2014 | 6 km S of Yellville, Arkansas | M2.7 | 96 km | 8 km |
| Sep 5, 2013 | 17 km W of Dennard, Arkansas | M2.7 | 126 km | 4 km |
| May 21, 2010 | 2 km SW of Centerton, Arkansas | M2.6 | 70 km | 1 km |
| Mar 10, 1990 | 16 km NNW of Hector, Arkansas | M2.6 | 122 km | 3 km |
| Apr 23, 2025 | 3 km E of Hartville, Missouri | M2.6 | 124 km | 4 km |
| Apr 29, 2018 | 3 km WNW of Evergreen, Missouri | M2.5 | 136 km | 2 km |
| May 13, 2015 | 8 km E of Lead Hill, Arkansas | M2.5 | 72 km | 0 km |
| Jun 21, 2017 | 6 km N of Bergman, Arkansas | M2.5 | 60 km | 5 km |
| Jan 4, 2024 | 13 km E of South Lead Hill, Arkansas | M2.5 | 78 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
534 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 44 fatalities, 667 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Nov 29, 1991 | EF4 | 61 km | 10.0 mi | 2 |
| Apr 24, 1975 | EF4 | 91 km | 11.9 mi | 3 |
| May 26, 2024 | EF3 | 68 km | 21.6 mi | 4 |
| May 26, 2024 | EF3 | 93 km | 34.6 mi | 1 |
| May 25, 2024 | EF3 | 97 km | 7.9 mi | 0 |
| Mar 30, 2022 | EF3 | 73 km | 5.2 mi | 0 |
| May 22, 2019 | EF3 | 96 km | 11.3 mi | 3 |
| Jan 7, 2008 | EF3 | 85 km | 50.4 mi | 3 |
| Mar 12, 2006 | EF3 | 45 km | 42.0 mi | 1 |
| Mar 12, 2006 | EF3 | 97 km | 32.0 mi | 0 |
| May 4, 2003 | EF3 | 64 km | 49.0 mi | 7 |
| Apr 21, 1996 | EF3 | 94 km | 15.0 mi | 2 |
| Nov 18, 1985 | EF3 | 96 km | 34.0 mi | 3 |
| Apr 29, 1983 | EF3 | 67 km | 5.5 mi | 1 |
| Apr 2, 1982 | EF3 | 62 km | 1.0 mi | 0 |
| Mar 26, 1976 | EF3 | 70 km | 29.1 mi | 1 |
| Apr 20, 1973 | EF3 | 65 km | 7.8 mi | 1 |
| Apr 20, 1973 | EF3 | 92 km | 7.8 mi | 0 |
| Dec 14, 1971 | EF3 | 98 km | 23.6 mi | 0 |
| Oct 8, 1970 | EF3 | 94 km | 6.9 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (7,919 acres, 2016).
| Year | Name | Acres Burned | Distance |
| 2016 | UNNAMED | 7,919 | 98 km |
| 2013 | UNNAMED | 7,804 | 98 km |
| 2019 | UNNAMED | 7,344 | 97 km |
| 2007 | UNNAMED | 6,931 | 70 km |
| 2011 | UNNAMED | 6,686 | 71 km |
| 2010 | BRUSHY/CLAYTON | 6,401 | 71 km |
| 2020 | BIG CREEK | 6,399 | 71 km |
| 2007 | UNNAMED | 5,504 | 100 km |
| 2006 | UNNAMED | 4,724 | 98 km |
| 2020 | CAVE CREEK | 4,263 | 93 km |
| 2016 | BIG CREEK | 4,031 | 69 km |
| 2011 | 11 GENE RUSH #2 | 3,524 | 89 km |
| 2003 | UNNAMED | 3,347 | 97 km |
| 2022 | BEECH GROVE | 3,212 | 98 km |
| 2019 | RX - SLUSHER BLACKLINE | 3,101 | 97 km |
| 2016 | RXBURN | 2,951 | 87 km |
| 2022 | VIKING | 2,721 | 95 km |
| 2021 | GOETZ | 2,615 | 68 km |
| 2020 | TWIN PEAKS | 2,578 | 87 km |
| 2023 | RX TWIN PEAKS | 2,560 | 87 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (1°C) | 2.6 in | Coldest |
| February | 38°F (3°C) | 2.5 in | Driest |
| March | 46°F (8°C) | 4.1 in | |
| April | 56°F (13°C) | 4.8 in | |
| May | 65°F (18°C) | 5.7 in | Wettest |
| June | 74°F (23°C) | 3.6 in | |
| July | 78°F (25°C) | 4.0 in | Warmest |
| August | 77°F (25°C) | 3.4 in | |
| September | 69°F (20°C) | 4.0 in | |
| October | 57°F (14°C) | 3.7 in | |
| November | 46°F (8°C) | 3.8 in | |
| December | 36°F (2°C) | 3.3 in |
Shell Knob has a seasonal temperature swing of 44°F / from 33°F in January to 78°F in July. Total annual precipitation is 45.5 inches, with May being the wettest month (5.7") and February the driest (2.5").