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Weather & Climate in Excello, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Excello 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 263 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 40.2 inches. The area receives 5.2 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 866 feet.
Temperature
26°F Jan (-4°C)
77°F Jul (25°C)
| Annual Average | 52.9°F |
| 2% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 263 days/yr |
Geography
| Elevation | 866 ft (264 m) |
| Area | 0.3 sq mi (0.9 km²) |
| Population Density | 174/sq mi |
| Coordinates | 39.6361°N, 92.4755°W |
| Timezone | America/Chicago |
| Nearest Airport | Kirksville Regional (IRK) 32 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.3.
| Jul 31, 2005 | Missouri | M3.3 | 104 km | 5 km |
| Feb 8, 2004 | 6 km SSW of Stoutsville, Missouri | M2.9 | 53 km | 5 km |
| Jul 15, 2025 | 3 km W of Hale, Missouri | M2.5 | 78 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
314 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 12 fatalities, 135 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Mar 12, 2006 | EF4 | 33 km | 29.0 mi | 0 |
| Apr 23, 1975 | EF4 | 17 km | 28.2 mi | 1 |
| Apr 20, 1973 | EF4 | 33 km | 3.8 mi | 1 |
| Jun 12, 1970 | EF4 | 36 km | 16.1 mi | 0 |
| Apr 21, 1967 | EF4 | 60 km | 59.0 mi | 0 |
| Jan 24, 1967 | EF4 | 85 km | 25.7 mi | 0 |
| Mar 12, 2006 | EF3 | 90 km | 35.0 mi | 0 |
| Mar 12, 2006 | EF3 | 35 km | 19.7 mi | 4 |
| May 10, 2003 | EF3 | 64 km | 12.0 mi | 0 |
| Nov 10, 1998 | EF3 | 77 km | 2.0 mi | 0 |
| Jul 4, 1995 | EF3 | 27 km | 26.0 mi | 0 |
| Nov 27, 1990 | EF3 | 84 km | 1.0 mi | 0 |
| Nov 27, 1990 | EF3 | 77 km | 12.0 mi | 0 |
| Apr 23, 1975 | EF3 | 76 km | 14.0 mi | 0 |
| Apr 13, 1974 | EF3 | 34 km | 0.1 mi | 0 |
| Apr 20, 1973 | EF3 | 95 km | 9.5 mi | 0 |
| May 5, 1971 | EF3 | 44 km | 0.1 mi | 0 |
| May 5, 1971 | EF3 | 54 km | 3.8 mi | 0 |
| Jun 12, 1970 | EF3 | 78 km | 16.0 mi | 0 |
| Jun 12, 1970 | EF3 | 10 km | 8.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: WOOLDRIDGE FIRE (1,323 acres, 2022).
| Year | Name | Acres Burned | Distance |
| 2022 | WOOLDRIDGE FIRE | 1,323 | 80 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-4°C) | 1.5 in | Coldest |
| February | 31°F (-1°C) | 1.5 in | Driest |
| March | 42°F (6°C) | 3.0 in | |
| April | 54°F (12°C) | 3.9 in | |
| May | 63°F (17°C) | 4.9 in | Wettest |
| June | 72°F (22°C) | 4.5 in | |
| July | 77°F (25°C) | 4.1 in | Warmest |
| August | 75°F (24°C) | 3.8 in | |
| September | 67°F (19°C) | 4.5 in | |
| October | 55°F (13°C) | 3.6 in | |
| November | 42°F (6°C) | 2.8 in | |
| December | 31°F (-1°C) | 2.2 in |
Excello has a seasonal temperature swing of 52°F / from 26°F in January to 77°F in July. Total annual precipitation is 40.2 inches, with May being the wettest month (4.9") and February the driest (1.5").