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Weather & Climate in Edgerton, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Edgerton experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 26°F in January while summers reach 77°F in July. The area gets 269 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 36.9 inches. The area receives 3.7 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 863 feet.
Temperature
26°F Jan (-3°C)
77°F Jul (25°C)
| Annual Average | 53.2°F |
| 1% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 269 days/yr |
Geography
| Elevation | 863 ft (263 m) |
| Area | 1.1 sq mi (2.9 km²) |
| Population Density | 431/sq mi |
| Coordinates | 39.5050°N, 94.6333°W |
| Timezone | America/Chicago |
| Nearest Airport | Kansas City International (MCI) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
9 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Dec 17, 2009 | 2 km NW of Auburn, Nebraska | M3.6 | 145 km | 5 km |
| Jul 16, 2004 | 6 km SSE of Riverton, Iowa | M3.5 | 148 km | 5 km |
| May 18, 2005 | Missouri | M3.3 | 130 km | 5 km |
| Mar 23, 2007 | 5 km N of Nortonville, Kansas | M3.1 | 61 km | 5 km |
| Feb 11, 1995 | 6 km E of Clearmont, Missouri | M3.1 | 115 km | 5 km |
| May 13, 1999 | 6 km WSW of Kansas City, Kansas | M3.0 | 45 km | 5 km |
| Mar 31, 1993 | 2 km SE of Nemaha, Nebraska | M2.9 | 126 km | 5 km |
| Apr 4, 2015 | 3 km ESE of Clinton, Missouri | M2.6 | 149 km | 2 km |
| Jul 15, 2025 | 3 km W of Hale, Missouri | M2.5 | 107 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
586 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 14 fatalities, 354 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 28, 2019 | EF4 | 97 km | 29.1 mi | 0 |
| May 29, 2004 | EF4 | 53 km | 22.0 mi | 3 |
| May 4, 2003 | EF4 | 33 km | 5.0 mi | 0 |
| May 4, 2003 | EF4 | 51 km | 21.0 mi | 2 |
| May 4, 1977 | EF4 | 43 km | 12.0 mi | 0 |
| May 4, 1977 | EF4 | 58 km | 48.6 mi | 0 |
| Apr 23, 1975 | EF4 | 61 km | 11.4 mi | 1 |
| Jun 8, 1966 | EF4 | 60 km | 19.9 mi | 1 |
| Aug 6, 1962 | EF4 | 98 km | 11.0 mi | 0 |
| May 7, 1961 | EF4 | 45 km | 26.2 mi | 0 |
| May 22, 1952 | EF4 | 77 km | 26.9 mi | 0 |
| Mar 6, 2017 | EF3 | 70 km | 17.7 mi | 0 |
| May 2, 2008 | EF3 | 27 km | 0.9 mi | 0 |
| May 29, 2004 | EF3 | 17 km | 7.0 mi | 0 |
| Apr 11, 2001 | EF3 | 100 km | 76.5 mi | 0 |
| Apr 26, 1984 | EF3 | 69 km | 32.0 mi | 0 |
| Jun 19, 1981 | EF3 | 81 km | 7.7 mi | 1 |
| May 4, 1977 | EF3 | 83 km | 26.2 mi | 1 |
| Jun 26, 1969 | EF3 | 36 km | 10.1 mi | 0 |
| May 15, 1968 | EF3 | 97 km | 2.7 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
7 wildfires (100+ acres) recorded within 100 km. Largest: MOSQR-FY20-RX-WUI (964 acres, 2020).
| Year | Name | Acres Burned | Distance |
| 2020 | MOSQR-FY20-RX-WUI | 964 | 86 km |
| 2012 | HIGHWAY E | 897 | 66 km |
| 2016 | SQR BM SL DESOTO 2016 WUI RX | 866 | 86 km |
| 1988 | NORTH POOL | 698 | 86 km |
| 2020 | UNNAMED | 645 | 85 km |
| 2009 | UNIT 6 | 625 | 84 km |
| 2002 | SCRDGRS 6 | 536 | 83 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 1.1 in | Coldest, Driest |
| February | 32°F (-0°C) | 1.1 in | |
| March | 43°F (6°C) | 2.4 in | |
| April | 54°F (12°C) | 3.3 in | |
| May | 64°F (18°C) | 4.8 in | |
| June | 73°F (23°C) | 4.5 in | |
| July | 77°F (25°C) | 4.1 in | Warmest |
| August | 75°F (24°C) | 3.9 in | |
| September | 67°F (19°C) | 4.8 in | Wettest |
| October | 56°F (13°C) | 3.2 in | |
| November | 42°F (5°C) | 2.1 in | |
| December | 31°F (-1°C) | 1.5 in |
Edgerton has a seasonal temperature swing of 51°F / from 26°F in January to 77°F in July. Total annual precipitation is 36.9 inches, with September being the wettest month (4.8") and January the driest (1.1").