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Weather & Climate in Caledonia, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Caledonia 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 259 sunny days per year, above the national average. Annual precipitation totals 42.5 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 935 feet.
Temperature
30°F Jan (-1°C)
77°F Jul (25°C)
| Annual Average | 54.6°F |
| 1% above US avg | |
| January Average | 30°F (-1°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 259 days/yr |
Geography
| Elevation | 935 ft (285 m) |
| Area | 0.2 sq mi (0.4 km²) |
| Population Density | 1,469/sq mi |
| Coordinates | 37.7634°N, 90.7729°W |
| Timezone | America/Chicago |
| Nearest Airport | Farmington Regional (FAM) 21 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
70 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 | 123 km | 1 km |
| Feb 5, 1994 | 2 km WNW of Dongola, Illinois | M4.2 | 146 km | 16 km |
| Jul 7, 1991 | 11 km ENE of Brandsville, Missouri | M3.9 | 139 km | 8 km |
| Jun 7, 2011 | 18 km NNW of Potosi, Missouri | M3.9 | 37 km | 21 km |
| Oct 21, 1999 | 9 km NW of Maynard, Arkansas | M3.9 | 143 km | 10 km |
| Aug 22, 2000 | 19 km WNW of Maynard, Arkansas | M3.9 | 146 km | 10 km |
| Aug 16, 2003 | 5 km W of Thomasville, Missouri | M3.7 | 130 km | 0 km |
| Sep 22, 2011 | 6 km E of Grandin, Missouri | M3.6 | 105 km | 11 km |
| Aug 27, 1993 | 5 km SSE of Olympian Village, Missouri | M3.3 | 47 km | 22 km |
| Apr 6, 1994 | 2 km NE of Tamaroa, Illinois | M3.2 | 144 km | 15 km |
| Dec 27, 1992 | 2 km E of Pocahontas, Missouri | M3.2 | 106 km | 10 km |
| Oct 21, 1999 | 10 km NW of Maynard, Arkansas | M3.1 | 143 km | 9 km |
| Mar 12, 2002 | 6 km S of Marble Hill, Missouri | M3.1 | 92 km | 10 km |
| May 15, 2014 | 4 km W of Malden, Missouri | M3.1 | 150 km | 6 km |
| Feb 28, 1994 | 5 km NW of Harrison, Illinois | M3.0 | 123 km | 5 km |
| Mar 18, 1990 | 9 km W of Alton, Missouri | M3.0 | 136 km | 1 km |
| Jun 27, 2005 | 6 km E of Grand Tower, Illinois | M3.0 | 120 km | 10 km |
| Jun 27, 2025 | 12 km WSW of Grandin, Missouri | M2.9 | 112 km | 10 km |
| May 21, 2012 | 6 km SW of Williamsville, Missouri | M2.9 | 94 km | 10 km |
| Jul 8, 2003 | 1 km N of Leasburg, Missouri | M2.9 | 60 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
431 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 74 fatalities, 861 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Feb 28, 2017 | EF4 | 68 km | 53.5 mi | 1 |
| Sep 22, 2006 | EF4 | 83 km | 27.5 mi | 0 |
| Apr 24, 2002 | EF4 | 88 km | 40.5 mi | 0 |
| Jun 22, 1969 | EF4 | 20 km | 15.1 mi | 4 |
| Jun 22, 1969 | EF4 | 35 km | 20.2 mi | 2 |
| Dec 21, 1967 | EF4 | 33 km | 27.9 mi | 3 |
| Feb 10, 1959 | EF4 | 87 km | 23.9 mi | 21 |
| May 21, 1957 | EF4 | 97 km | 9.1 mi | 7 |
| Feb 24, 1956 | EF4 | 77 km | 77.6 mi | 6 |
| Dec 10, 2021 | EF3 | 94 km | 24.8 mi | 1 |
| Oct 24, 2021 | EF3 | 42 km | 18.8 mi | 0 |
| Oct 24, 2021 | EF3 | 33 km | 16.7 mi | 0 |
| Dec 31, 2010 | EF3 | 92 km | 11.0 mi | 2 |
| Dec 31, 2010 | EF3 | 85 km | 6.7 mi | 1 |
| Mar 11, 2006 | EF3 | 68 km | 53.5 mi | 2 |
| Mar 11, 2006 | EF3 | 56 km | 5.1 mi | 0 |
| Apr 27, 2002 | EF3 | 87 km | 4.0 mi | 1 |
| Jun 1, 1999 | EF3 | 84 km | 7.0 mi | 0 |
| Apr 19, 1996 | EF3 | 80 km | 11.5 mi | 0 |
| Apr 22, 1981 | EF3 | 52 km | 7.1 mi | 1 |
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 | 84 km |
| 2010 | WYLIE KING 1 | 6,077 | 98 km |
| 2015 | 15 STEGAL MOUNTAIN | 5,112 | 85 km |
| 2011 | MINNINGHAW | 4,792 | 61 km |
| 2009 | STEGAL MTN. COMPLEX | 4,717 | 85 km |
| 2017 | UNNAMED | 4,602 | 61 km |
| 2021 | MILLER KING | 4,130 | 95 km |
| 2022 | SMITH MILL HOLLOW | 3,978 | 30 km |
| 1999 | STEGALL99 | 3,415 | 85 km |
| 2013 | UNNAMED | 3,313 | 93 km |
| 2005 | UNNAMED | 3,252 | 62 km |
| 2021 | COUNCIL BLUFF | 3,035 | 15 km |
| 2022 | LITTLE CREEK | 3,004 | 62 km |
| 2013 | UNNAMED | 2,963 | 80 km |
| 2021 | HODGE HOLLOW | 2,922 | 62 km |
| 2024 | COUNCIL BLUFF WEST RX | 2,846 | 15 km |
| 2004 | 04 RX CAMPBELL/BEAVER | 2,772 | 83 km |
| 2005 | UNNAMED | 2,751 | 17 km |
| 2005 | MCKENZIE HILL | 2,722 | 61 km |
| 2019 | UNNAMED | 2,688 | 34 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) | 4.1 in | |
| April | 55°F (13°C) | 4.1 in | |
| May | 63°F (17°C) | 4.5 in | Wettest |
| June | 72°F (22°C) | 3.5 in | |
| July | 77°F (25°C) | 3.6 in | Warmest |
| August | 75°F (24°C) | 3.8 in | |
| September | 68°F (20°C) | 3.6 in | |
| October | 57°F (14°C) | 3.0 in | |
| November | 45°F (7°C) | 4.2 in | |
| December | 35°F (2°C) | 3.5 in |
Caledonia has a seasonal temperature swing of 47°F / from 30°F in January to 77°F in July. Total annual precipitation is 42.5 inches, with May being the wettest month (4.5") and January the driest (2.2").