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Weather & Climate in Ste. Genevieve, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ste. Genevieve 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 260 sunny days per year, above the national average. Annual precipitation totals 41.7 inches. The area receives 8.1 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 728 feet.
Temperature
30°F Jan (-1°C)
77°F Jul (25°C)
| Annual Average | 55.1°F |
| 2% above US avg | |
| January Average | 30°F (-1°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 728 ft (222 m) |
| Area | 3.9 sq mi (10.1 km²) |
| Population Density | 1,281/sq mi |
| Coordinates | 37.8896°N, 90.1857°W |
| Timezone | America/Chicago |
| Nearest Airport | Farmington Regional (FAM) 13 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
131 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 | 96 km | 1 km |
| May 4, 1991 | 2 km NNW of Risco, Missouri | M4.5 | 150 km | 11 km |
| Feb 5, 1994 | 2 km WNW of Dongola, Illinois | M4.2 | 105 km | 16 km |
| Feb 21, 2012 | 4 km SSE of Bertrand, Missouri | M3.9 | 132 km | 8 km |
| Jun 7, 2011 | 18 km NNW of Potosi, Missouri | M3.9 | 66 km | 21 km |
| Mar 2, 2010 | 2 km ENE of East Prairie, Missouri | M3.7 | 143 km | 8 km |
| Jun 20, 2005 | 4 km WSW of Blandville, Kentucky | M3.6 | 150 km | 19 km |
| Sep 22, 2011 | 6 km E of Grandin, Missouri | M3.6 | 129 km | 11 km |
| Mar 15, 2017 | 9 km ESE of Wyatt, Missouri | M3.6 | 146 km | 8 km |
| Jun 15, 2004 | 3 km S of Canalou, Missouri | M3.5 | 137 km | 5 km |
| May 1, 2016 | 5 km SE of New Grand Chain, Illinois | M3.5 | 130 km | 16 km |
| Jul 16, 2004 | 6 km SE of Wyatt, Missouri | M3.5 | 145 km | 4 km |
| Mar 2, 1990 | 9 km NW of Vernon, Illinois | M3.4 | 139 km | 0 km |
| Aug 27, 1993 | 5 km SSE of Olympian Village, Missouri | M3.3 | 31 km | 22 km |
| Feb 6, 1993 | 6 km NNW of Catron, Missouri | M3.3 | 142 km | 8 km |
| May 16, 2017 | 9 km ESE of Wyatt, Missouri | M3.3 | 147 km | 9 km |
| Dec 27, 1992 | 2 km E of Pocahontas, Missouri | M3.2 | 66 km | 10 km |
| Oct 24, 1990 | 5 km ENE of Woodlawn, Illinois | M3.2 | 118 km | 1 km |
| May 2, 2003 | 10 km ENE of Thompsonville, Illinois | M3.2 | 134 km | 0 km |
| Apr 8, 1998 | 2 km NNW of Blandville, Kentucky | M3.2 | 149 km | 13 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
585 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 106 fatalities, 1,552 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Dec 18, 1957 | EF5 | 85 km | 5.4 mi | 1 |
| Feb 28, 2017 | EF4 | 24 km | 53.5 mi | 1 |
| Nov 17, 2013 | EF4 | 87 km | 10.6 mi | 2 |
| Apr 22, 2011 | EF4 | 98 km | 21.3 mi | 0 |
| Sep 22, 2006 | EF4 | 39 km | 27.5 mi | 0 |
| May 29, 1982 | EF4 | 93 km | 17.0 mi | 10 |
| Apr 3, 1981 | EF4 | 93 km | 11.9 mi | 0 |
| Jun 22, 1969 | EF4 | 37 km | 15.1 mi | 4 |
| Jun 22, 1969 | EF4 | 81 km | 20.2 mi | 2 |
| Dec 21, 1967 | EF4 | 86 km | 27.9 mi | 3 |
| Jan 24, 1967 | EF4 | 94 km | 25.0 mi | 3 |
| Feb 10, 1959 | EF4 | 80 km | 23.9 mi | 21 |
| Dec 18, 1957 | EF4 | 66 km | 28.3 mi | 11 |
| Feb 24, 1956 | EF4 | 90 km | 77.6 mi | 6 |
| Dec 10, 2021 | EF3 | 97 km | 4.2 mi | 6 |
| Oct 24, 2021 | EF3 | 43 km | 18.8 mi | 0 |
| Oct 24, 2021 | EF3 | 28 km | 16.7 mi | 0 |
| Dec 31, 2010 | EF3 | 71 km | 6.7 mi | 1 |
| Mar 11, 2006 | EF3 | 29 km | 5.1 mi | 0 |
| Mar 11, 2006 | EF3 | 18 km | 53.5 mi | 2 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: SMITH MILL HOLLOW (3,978 acres, 2022).
| Year | Name | Acres Burned | Distance |
| 2022 | SMITH MILL HOLLOW | 3,978 | 72 km |
| 2021 | COUNCIL BLUFF | 3,035 | 69 km |
| 2024 | COUNCIL BLUFF WEST RX | 2,846 | 69 km |
| 2005 | UNNAMED | 2,751 | 70 km |
| 2005 | MCKENZIE HILL | 2,722 | 94 km |
| 2019 | UNNAMED | 2,688 | 77 km |
| 2010 | COUNCIL BLUFF LAKE | 2,651 | 69 km |
| 2006 | UNNAMED | 2,512 | 69 km |
| 2021 | RED SHALE UNIT RX | 2,123 | 100 km |
| 2021 | BEAR PAW | 2,080 | 74 km |
| 2024 | BEAR PAW RX | 2,067 | 74 km |
| 2004 | CICERO CREEK | 1,846 | 74 km |
| 2021 | BERRYMAN BLOCK B AND C | 1,728 | 77 km |
| 2015 | CARTY | 1,674 | 80 km |
| 2014 | UNNAMED | 1,627 | 92 km |
| 2019 | ATWOOD RIDGE RX | 1,622 | 92 km |
| 2015 | UNNAMED | 1,586 | 69 km |
| 2007 | BRAWLEY HOLLOW | 1,575 | 96 km |
| 2010 | DELBRIDGE SOUTH | 1,574 | 69 km |
| 2000 | UNNAMED | 1,552 | 47 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.2 in | Coldest, Driest |
| February | 35°F (2°C) | 2.4 in | |
| March | 45°F (7°C) | 4.0 in | |
| April | 55°F (13°C) | 3.9 in | |
| May | 64°F (18°C) | 4.3 in | Wettest |
| June | 72°F (22°C) | 3.5 in | |
| July | 77°F (25°C) | 3.7 in | Warmest |
| August | 76°F (24°C) | 3.7 in | |
| September | 69°F (20°C) | 3.5 in | |
| October | 57°F (14°C) | 3.0 in | |
| November | 46°F (8°C) | 4.1 in | |
| December | 35°F (2°C) | 3.5 in |
Ste. Genevieve has a seasonal temperature swing of 47°F / from 30°F in January to 77°F in July. Total annual precipitation is 41.7 inches, with May being the wettest month (4.3") and January the driest (2.2").