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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 57°F (14°C). Winters average 34°F in January while summers reach 78°F in July. The area gets 257 sunny days per year, above the national average. Annual precipitation totals 43.6 inches. The area receives 2.1 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 906 feet.
Temperature
34°F Jan (1°C)
78°F Jul (26°C)
| Annual Average | 57.1°F |
| 6% above US avg | |
| January Average | 34°F (1°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 257 days/yr |
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
| AQI Median | 41.0 |
| Rating | Good |
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 | 34°F (1°C) | 2.1 in | Coldest, Driest |
| February | 39°F (4°C) | 2.4 in | |
| March | 47°F (9°C) | 4.1 in | |
| April | 57°F (14°C) | 4.2 in | |
| May | 65°F (18°C) | 4.7 in | Wettest |
| June | 73°F (23°C) | 4.5 in | |
| July | 78°F (26°C) | 3.2 in | Warmest |
| August | 77°F (25°C) | 3.5 in | |
| September | 70°F (21°C) | 4.2 in | |
| October | 59°F (15°C) | 3.5 in | |
| November | 48°F (9°C) | 4.0 in | |
| December | 38°F (4°C) | 3.3 in |
Shell Knob has a seasonal temperature swing of 45°F / from 34°F in January to 78°F in July. Total annual precipitation is 43.6 inches, with May being the wettest month (4.7") and January the driest (2.1").