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Weather & Climate in Fredericktown, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Fredericktown 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 256 sunny days per year, above the national average. Annual precipitation totals 43.9 inches. The area receives 8.9 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 745 feet.
Temperature
30°F Jan (-1°C)
77°F Jul (25°C)
| Annual Average | 54.8°F |
| 1% above US avg | |
| January Average | 30°F (-1°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 256 days/yr |
Geography
| Elevation | 745 ft (227 m) |
| Area | 4.5 sq mi (11.6 km²) |
| Population Density | 1,031/sq mi |
| Coordinates | 37.5598°N, 90.2940°W |
| Timezone | America/Chicago |
| Nearest Airport | Farmington Regional (FAM) 18 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
233 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Sep 26, 1990 | 4 km SE of Chaffee, Missouri | M4.8 | 75 km | 1 km |
| May 4, 1991 | 2 km NNW of Risco, Missouri | M4.5 | 117 km | 11 km |
| Feb 5, 1994 | 2 km WNW of Dongola, Illinois | M4.2 | 100 km | 16 km |
| Jun 6, 2003 | 1 km NE of Bardwell, Kentucky | M4.0 | 138 km | 3 km |
| Jul 7, 1991 | 11 km ENE of Brandsville, Missouri | M3.9 | 149 km | 8 km |
| Jun 7, 2011 | 18 km NNW of Potosi, Missouri | M3.9 | 79 km | 21 km |
| Aug 22, 2000 | 19 km WNW of Maynard, Arkansas | M3.9 | 140 km | 10 km |
| Feb 21, 2012 | 4 km SSE of Bertrand, Missouri | M3.9 | 109 km | 8 km |
| Oct 21, 1999 | 9 km NW of Maynard, Arkansas | M3.9 | 134 km | 10 km |
| Aug 16, 2003 | 5 km W of Thomasville, Missouri | M3.7 | 144 km | 0 km |
| Mar 2, 2010 | 2 km ENE of East Prairie, Missouri | M3.7 | 120 km | 8 km |
| Jun 20, 2005 | 4 km WSW of Blandville, Kentucky | M3.6 | 134 km | 19 km |
| Sep 22, 2011 | 6 km E of Grandin, Missouri | M3.6 | 92 km | 11 km |
| Mar 15, 2017 | 9 km ESE of Wyatt, Missouri | M3.6 | 128 km | 8 km |
| Jun 15, 2004 | 3 km S of Canalou, Missouri | M3.5 | 107 km | 5 km |
| May 1, 2016 | 5 km SE of New Grand Chain, Illinois | M3.5 | 122 km | 16 km |
| Jul 16, 2004 | 6 km SE of Wyatt, Missouri | M3.5 | 126 km | 4 km |
| Sep 9, 2016 | 9 km NW of Tiptonville, Tennessee | M3.4 | 140 km | 10 km |
| Sep 26, 1994 | 4 km ENE of Blandville, Kentucky | M3.4 | 139 km | 13 km |
| Aug 27, 1993 | 5 km SSE of Olympian Village, Missouri | M3.3 | 60 km | 22 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
525 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 56 fatalities, 800 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Feb 28, 2017 | EF4 | 31 km | 53.5 mi | 1 |
| Sep 22, 2006 | EF4 | 43 km | 27.5 mi | 0 |
| Apr 24, 2002 | EF4 | 89 km | 40.5 mi | 0 |
| Jun 22, 1969 | EF4 | 83 km | 20.2 mi | 2 |
| Jun 22, 1969 | EF4 | 29 km | 15.1 mi | 4 |
| Dec 21, 1967 | EF4 | 75 km | 27.9 mi | 3 |
| Dec 18, 1957 | EF4 | 73 km | 28.3 mi | 11 |
| May 26, 2024 | EF3 | 99 km | 19.6 mi | 0 |
| Oct 24, 2021 | EF3 | 9 km | 18.8 mi | 0 |
| Oct 24, 2021 | EF3 | 19 km | 16.7 mi | 0 |
| Nov 17, 2013 | EF3 | 78 km | 14.3 mi | 0 |
| Feb 29, 2012 | EF3 | 74 km | 20.0 mi | 1 |
| May 25, 2011 | EF3 | 96 km | 47.4 mi | 0 |
| Mar 11, 2006 | EF3 | 62 km | 5.1 mi | 0 |
| Mar 11, 2006 | EF3 | 39 km | 53.5 mi | 2 |
| May 6, 2003 | EF3 | 59 km | 2.0 mi | 0 |
| Apr 28, 2002 | EF3 | 88 km | 19.3 mi | 1 |
| Apr 27, 2002 | EF3 | 43 km | 4.0 mi | 1 |
| Apr 19, 1996 | EF3 | 42 km | 11.5 mi | 0 |
| May 29, 1982 | EF3 | 76 km | 10.0 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 | 96 km |
| 2010 | WYLIE KING 1 | 6,077 | 77 km |
| 2015 | 15 STEGAL MOUNTAIN | 5,112 | 96 km |
| 2011 | MINNINGHAW | 4,792 | 93 km |
| 2009 | STEGAL MTN. COMPLEX | 4,717 | 96 km |
| 2017 | UNNAMED | 4,602 | 94 km |
| 2021 | MILLER KING | 4,130 | 76 km |
| 2022 | SMITH MILL HOLLOW | 3,978 | 77 km |
| 1999 | STEGALL99 | 3,415 | 96 km |
| 2013 | UNNAMED | 3,313 | 76 km |
| 2005 | UNNAMED | 3,252 | 94 km |
| 2021 | VICTORY 1-7 | 3,237 | 79 km |
| 2021 | COUNCIL BLUFF | 3,035 | 59 km |
| 2022 | LITTLE CREEK | 3,004 | 94 km |
| 2013 | UNNAMED | 2,963 | 87 km |
| 2021 | HODGE HOLLOW | 2,922 | 97 km |
| 2024 | COUNCIL BLUFF WEST RX | 2,846 | 59 km |
| 2004 | 04 RX CAMPBELL/BEAVER | 2,772 | 92 km |
| 2005 | UNNAMED | 2,751 | 64 km |
| 2005 | MCKENZIE HILL | 2,722 | 61 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.4 in | Coldest, Driest |
| February | 35°F (1°C) | 2.6 in | |
| March | 45°F (7°C) | 4.4 in | |
| April | 55°F (13°C) | 4.3 in | |
| May | 64°F (18°C) | 4.5 in | Wettest |
| June | 72°F (22°C) | 3.6 in | |
| July | 77°F (25°C) | 3.6 in | Warmest |
| August | 75°F (24°C) | 4.0 in | |
| September | 68°F (20°C) | 3.5 in | |
| October | 57°F (14°C) | 2.8 in | |
| November | 46°F (8°C) | 4.2 in | |
| December | 35°F (2°C) | 3.9 in |
Fredericktown has a seasonal temperature swing of 47°F / from 30°F in January to 77°F in July. Total annual precipitation is 43.9 inches, with May being the wettest month (4.5") and January the driest (2.4").