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Weather & Climate in Steelville, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Steelville experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 30°F in January while summers reach 77°F in July. The area gets 261 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 41.5 inches. The area receives 7.2 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 761 feet.
Temperature
30°F Jan (-1°C)
77°F Jul (25°C)
| Annual Average | 54.9°F |
| 2% above US avg | |
| January Average | 30°F (-1°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 261 days/yr |
Geography
| Elevation | 761 ft (232 m) |
| Area | 2.4 sq mi (6.3 km²) |
| Population Density | 583/sq mi |
| Coordinates | 37.9681°N, 91.3549°W |
| Timezone | America/Chicago |
| Nearest Airport | Waynesville-St Robert Regional Forney Field (TBN) 46 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
51 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Jun 7, 2011 | 18 km NNW of Potosi, Missouri | M3.9 | 42 km | 21 km |
| Jul 7, 1991 | 11 km ENE of Brandsville, Missouri | M3.9 | 144 km | 8 km |
| Aug 16, 2003 | 5 km W of Thomasville, Missouri | M3.7 | 133 km | 0 km |
| Sep 22, 2011 | 6 km E of Grandin, Missouri | M3.6 | 139 km | 11 km |
| Jul 31, 2005 | Missouri | M3.3 | 146 km | 5 km |
| Aug 27, 1993 | 5 km SSE of Olympian Village, Missouri | M3.3 | 82 km | 22 km |
| Jan 21, 1992 | 5 km SE of Linn Creek, Missouri | M3.1 | 115 km | 5 km |
| Mar 12, 2002 | 6 km S of Marble Hill, Missouri | M3.1 | 147 km | 10 km |
| Mar 18, 1990 | 9 km W of Alton, Missouri | M3.0 | 143 km | 1 km |
| Jun 27, 2025 | 12 km WSW of Grandin, Missouri | M2.9 | 139 km | 10 km |
| Jul 8, 2003 | 1 km N of Leasburg, Missouri | M2.9 | 17 km | 4 km |
| May 18, 2006 | 9 km SSE of De Soto, Missouri | M2.9 | 73 km | 6 km |
| May 21, 2012 | 6 km SW of Williamsville, Missouri | M2.9 | 133 km | 10 km |
| Apr 29, 2022 | 1 km SSW of Peerless Park, Missouri | M2.8 | 97 km | 8 km |
| Sep 13, 1997 | 3 km SSE of Darmstadt, Illinois | M2.8 | 148 km | 16 km |
| Mar 31, 2008 | 12 km E of Williamsville, Missouri | M2.8 | 138 km | 6 km |
| Jul 31, 1995 | 8 km SSW of Caledonia, Missouri | M2.8 | 57 km | 5 km |
| May 5, 2008 | 3 km SSE of Fenton, Missouri | M2.8 | 100 km | 19 km |
| Jun 15, 2020 | 11 km E of Williamsville, Missouri | M2.8 | 140 km | 1 km |
| Mar 14, 2018 | 12 km W of Williamsville, MO | M2.7 | 138 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
351 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 57 fatalities, 657 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 22, 1969 | EF4 | 22 km | 20.2 mi | 2 |
| Jun 22, 1969 | EF4 | 76 km | 15.1 mi | 4 |
| Dec 21, 1967 | EF4 | 38 km | 27.9 mi | 3 |
| Feb 10, 1959 | EF4 | 91 km | 23.9 mi | 21 |
| Feb 24, 1956 | EF4 | 66 km | 77.6 mi | 6 |
| Dec 10, 2021 | EF3 | 80 km | 24.8 mi | 1 |
| Oct 24, 2021 | EF3 | 97 km | 18.8 mi | 0 |
| Oct 24, 2021 | EF3 | 88 km | 16.7 mi | 0 |
| May 31, 2013 | EF3 | 96 km | 31.7 mi | 0 |
| Dec 31, 2010 | EF3 | 80 km | 7.5 mi | 0 |
| Dec 31, 2010 | EF3 | 39 km | 11.0 mi | 2 |
| Dec 31, 2010 | EF3 | 97 km | 6.7 mi | 1 |
| Jan 7, 2008 | EF3 | 62 km | 1.8 mi | 0 |
| Jan 7, 2008 | EF3 | 60 km | 4.7 mi | 0 |
| Mar 13, 2006 | EF3 | 98 km | 6.0 mi | 0 |
| Mar 11, 2006 | EF3 | 91 km | 5.1 mi | 0 |
| Jun 1, 1999 | EF3 | 29 km | 7.0 mi | 0 |
| May 1, 1983 | EF3 | 73 km | 9.0 mi | 0 |
| Apr 22, 1981 | EF3 | 79 km | 7.1 mi | 1 |
| Dec 8, 1966 | EF3 | 52 km | 1.3 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: STEGALL MOUNTAIN (6,979 acres, 2022).
| Year | Name | Acres Burned | Distance |
| 2022 | STEGALL MOUNTAIN | 6,979 | 99 km |
| 2015 | 15 STEGAL MOUNTAIN | 5,112 | 100 km |
| 2011 | MINNINGHAW | 4,792 | 56 km |
| 2009 | STEGAL MTN. COMPLEX | 4,717 | 100 km |
| 2017 | UNNAMED | 4,602 | 57 km |
| 2023 | ELM SPRINGS RX | 4,378 | 57 km |
| 2022 | SMITH MILL HOLLOW | 3,978 | 31 km |
| 2023 | CANNON RANGE RX | 3,870 | 86 km |
| 2021 | UNNAMED | 3,665 | 84 km |
| 2021 | KAINTUCK | 3,325 | 52 km |
| 2005 | UNNAMED | 3,252 | 59 km |
| 2021 | COUNCIL BLUFF | 3,035 | 46 km |
| 2022 | LITTLE CREEK | 3,004 | 59 km |
| 2021 | HODGE HOLLOW | 2,922 | 55 km |
| 2024 | COUNCIL BLUFF WEST RX | 2,846 | 46 km |
| 2005 | UNNAMED | 2,831 | 52 km |
| 2005 | UNNAMED | 2,751 | 40 km |
| 2005 | MCKENZIE HILL | 2,722 | 95 km |
| 2019 | UNNAMED | 2,688 | 26 km |
| 2010 | COUNCIL BLUFF LAKE | 2,651 | 46 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.0 in | Coldest, Driest |
| February | 35°F (2°C) | 2.2 in | |
| March | 45°F (7°C) | 3.7 in | |
| April | 55°F (13°C) | 4.0 in | |
| May | 64°F (18°C) | 4.7 in | Wettest |
| June | 72°F (22°C) | 3.8 in | |
| July | 77°F (25°C) | 3.7 in | Warmest |
| August | 76°F (24°C) | 3.6 in | |
| September | 68°F (20°C) | 3.7 in | |
| October | 57°F (14°C) | 3.3 in | |
| November | 45°F (7°C) | 3.7 in | |
| December | 35°F (1°C) | 3.0 in |
Steelville has a seasonal temperature swing of 47°F / from 30°F in January to 77°F in July. Total annual precipitation is 41.5 inches, with May being the wettest month (4.7") and January the driest (2.0").