Weather & Climate in Farmington, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Farmington 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 45.2 inches. The area receives 8.7 inches of snow annually. The city sits at an elevation of 919 feet.
Temperature
33°F Jan (0°C)
78°F Jul (25°C)
| Annual Average | 56.1°F |
| 4% above US avg | |
| January Average | 33°F (0°C) |
| July Average | 78°F (25°C) |
Geography
| Elevation | 919 ft (280 m) |
| Area | 9.2 sq mi (23.8 km²) |
| Population Density | 1,897/sq mi |
| Coordinates | 37.7809°N, 90.4218°W |
| Timezone | America/Chicago |
| Nearest Airport | Farmington Regional (FAM) 2 miles away |
Precipitation & Snow
Air Quality
Earthquake History
117 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 | 100 km | 1 km |
| May 4, 1991 | 2 km NNW of Risco, Missouri | M4.5 | 144 km | 11 km |
| Feb 5, 1994 | 2 km WNW of Dongola, Illinois | M4.2 | 118 km | 16 km |
| Feb 21, 2012 | 4 km SSE of Bertrand, Missouri | M3.9 | 134 km | 8 km |
| Jun 7, 2011 | 18 km NNW of Potosi, Missouri | M3.9 | 54 km | 21 km |
| Mar 2, 2010 | 2 km ENE of East Prairie, Missouri | M3.7 | 145 km | 8 km |
| Sep 22, 2011 | 6 km E of Grandin, Missouri | M3.6 | 111 km | 11 km |
| May 1, 2016 | 5 km SE of New Grand Chain, Illinois | M3.5 | 141 km | 16 km |
| Jun 15, 2004 | 3 km S of Canalou, Missouri | M3.5 | 134 km | 5 km |
| Feb 6, 1993 | 6 km NNW of Catron, Missouri | M3.3 | 138 km | 8 km |
| Aug 27, 1993 | 5 km SSE of Olympian Village, Missouri | M3.3 | 35 km | 22 km |
| Dec 27, 1992 | 2 km E of Pocahontas, Missouri | M3.2 | 78 km | 10 km |
| Apr 6, 1994 | 2 km NE of Tamaroa, Illinois | M3.2 | 114 km | 15 km |
| Oct 24, 1990 | 5 km ENE of Woodlawn, Illinois | M3.2 | 142 km | 1 km |
| Mar 12, 2002 | 6 km S of Marble Hill, Missouri | M3.1 | 72 km | 10 km |
| Jan 23, 1991 | 3 km WSW of Logan, Illinois | M3.1 | 137 km | 1 km |
| May 15, 2014 | 4 km W of Malden, Missouri | M3.1 | 141 km | 6 km |
| Mar 31, 1993 | 3 km WNW of East Prairie, Missouri | M3.1 | 141 km | 4 km |
| Jun 29, 1995 | 2 km WNW of Catron, Missouri | M3.1 | 143 km | 4 km |
| May 3, 2011 | 3 km WSW of Wickliffe, Kentucky | M3.1 | 147 km | 0 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
513 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 81 fatalities, 1,095 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Feb 28, 2017 | EF4 | 37 km | 53.5 mi | 1 |
| Sep 22, 2006 | EF4 | 53 km | 27.5 mi | 0 |
| Jun 22, 1969 | EF4 | 13 km | 15.1 mi | 4 |
| Jun 22, 1969 | EF4 | 62 km | 20.2 mi | 2 |
| Dec 21, 1967 | EF4 | 63 km | 27.9 mi | 3 |
| Feb 10, 1959 | EF4 | 85 km | 23.9 mi | 21 |
| Dec 18, 1957 | EF4 | 83 km | 28.3 mi | 11 |
| Feb 24, 1956 | EF4 | 86 km | 77.6 mi | 6 |
| Oct 24, 2021 | EF3 | 27 km | 18.8 mi | 0 |
| Oct 24, 2021 | EF3 | 9 km | 16.7 mi | 0 |
| Dec 31, 2010 | EF3 | 79 km | 6.7 mi | 1 |
| Mar 11, 2006 | EF3 | 37 km | 53.5 mi | 2 |
| Mar 11, 2006 | EF3 | 39 km | 5.1 mi | 0 |
| May 6, 2003 | EF3 | 80 km | 2.0 mi | 0 |
| Apr 27, 2002 | EF3 | 70 km | 4.0 mi | 1 |
| Apr 19, 1996 | EF3 | 49 km | 11.5 mi | 0 |
| May 1, 1983 | EF3 | 97 km | 16.0 mi | 0 |
| May 29, 1982 | EF3 | 72 km | 10.0 mi | 0 |
| Apr 22, 1981 | EF3 | 45 km | 7.1 mi | 1 |
| Apr 18, 1975 | EF3 | 64 km | 2.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: WYLIE KING 1 (6,077 acres, 2010).
| Year | Name | Acres Burned | Distance |
| 2010 | WYLIE KING 1 | 6,077 | 99 km |
| 2011 | MINNINGHAW | 4,792 | 89 km |
| 2017 | UNNAMED | 4,602 | 89 km |
| 2021 | MILLER KING | 4,130 | 97 km |
| 2022 | SMITH MILL HOLLOW | 3,978 | 55 km |
| 2013 | UNNAMED | 3,313 | 96 km |
| 2005 | UNNAMED | 3,252 | 90 km |
| 2021 | COUNCIL BLUFF | 3,035 | 46 km |
| 2022 | LITTLE CREEK | 3,004 | 90 km |
| 2013 | UNNAMED | 2,963 | 97 km |
| 2021 | HODGE HOLLOW | 2,922 | 91 km |
| 2024 | COUNCIL BLUFF WEST RX | 2,846 | 46 km |
| 2005 | UNNAMED | 2,751 | 48 km |
| 2005 | MCKENZIE HILL | 2,722 | 72 km |
| 2019 | UNNAMED | 2,688 | 59 km |
| 2010 | COUNCIL BLUFF LAKE | 2,651 | 46 km |
| 2022 | MINNINGHAW | 2,516 | 88 km |
| 2006 | UNNAMED | 2,512 | 46 km |
| 2021 | THOMPSON HOLLOW | 2,479 | 88 km |
| 2019 | UNNAMED | 2,399 | 81 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (0°C) | 2.6 in | Coldest, Driest |
| February | 37°F (3°C) | 2.8 in | |
| March | 46°F (8°C) | 3.8 in | |
| April | 57°F (14°C) | 5.3 in | |
| May | 66°F (19°C) | 5.5 in | Wettest |
| June | 74°F (23°C) | 3.6 in | |
| July | 78°F (25°C) | 4.3 in | Warmest |
| August | 76°F (25°C) | 3.8 in | |
| September | 69°F (20°C) | 3.2 in | |
| October | 57°F (14°C) | 3.3 in | |
| November | 46°F (8°C) | 4.2 in | |
| December | 36°F (2°C) | 3.0 in |
Farmington has a seasonal temperature swing of 45°F / from 33°F in January to 78°F in July. Total annual precipitation is 45.2 inches, with May being the wettest month (5.5") and January the driest (2.6").