All Countries
Weather & Climate in Cosby, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cosby experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 25°F in January while summers reach 77°F in July. The area gets 272 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 35.6 inches. The area receives 3.3 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 958 feet.
Temperature
25°F Jan (-4°C)
77°F Jul (25°C)
| Annual Average | 52.7°F |
| 2% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 272 days/yr |
Geography
| Elevation | 958 ft (292 m) |
| Area | 0.1 sq mi (0.2 km²) |
| Population Density | 1,889/sq mi |
| Coordinates | 39.8642°N, 94.6783°W |
| Timezone | America/Chicago |
| Nearest Airport | Kansas City International (MCI) 39 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
7 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 | 117 km | 5 km |
| Jul 16, 2004 | 6 km SSE of Riverton, Iowa | M3.5 | 113 km | 5 km |
| Mar 23, 2007 | 5 km N of Nortonville, Kansas | M3.1 | 72 km | 5 km |
| Feb 11, 1995 | 6 km E of Clearmont, Missouri | M3.1 | 75 km | 5 km |
| May 13, 1999 | 6 km WSW of Kansas City, Kansas | M3.0 | 85 km | 5 km |
| Mar 31, 1993 | 2 km SE of Nemaha, Nebraska | M2.9 | 97 km | 5 km |
| Jul 15, 2025 | 3 km W of Hale, Missouri | M2.5 | 114 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
529 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 17 fatalities, 357 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 29, 2004 | EF4 | 37 km | 22.0 mi | 3 |
| May 4, 2003 | EF4 | 73 km | 5.0 mi | 0 |
| May 4, 2003 | EF4 | 89 km | 21.0 mi | 2 |
| Jun 7, 1984 | EF4 | 83 km | 134.0 mi | 3 |
| Mar 29, 1979 | EF4 | 79 km | 18.8 mi | 0 |
| May 4, 1977 | EF4 | 84 km | 48.6 mi | 0 |
| May 4, 1977 | EF4 | 79 km | 12.0 mi | 0 |
| Apr 23, 1975 | EF4 | 63 km | 11.4 mi | 1 |
| Jun 8, 1966 | EF4 | 88 km | 19.9 mi | 1 |
| May 7, 1961 | EF4 | 80 km | 26.2 mi | 0 |
| Apr 5, 1954 | EF4 | 97 km | 6.3 mi | 0 |
| May 2, 2008 | EF3 | 66 km | 0.9 mi | 0 |
| May 29, 2004 | EF3 | 40 km | 7.0 mi | 0 |
| Apr 11, 2001 | EF3 | 63 km | 76.5 mi | 0 |
| May 27, 1995 | EF3 | 97 km | 30.4 mi | 0 |
| Apr 26, 1984 | EF3 | 83 km | 32.0 mi | 0 |
| Mar 29, 1979 | EF3 | 83 km | 29.6 mi | 0 |
| May 5, 1971 | EF3 | 99 km | 2.0 mi | 0 |
| Jun 26, 1969 | EF3 | 76 km | 10.1 mi | 0 |
| Apr 21, 1967 | EF3 | 89 km | 14.6 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 | 56 km |
| 2012 | HIGHWAY E | 897 | 79 km |
| 2016 | SQR BM SL DESOTO 2016 WUI RX | 866 | 56 km |
| 1988 | NORTH POOL | 698 | 57 km |
| 2020 | UNNAMED | 645 | 56 km |
| 2009 | UNIT 6 | 625 | 55 km |
| 2002 | SCRDGRS 6 | 536 | 55 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 0.9 in | Coldest, Driest |
| February | 31°F (-1°C) | 1.0 in | |
| March | 42°F (6°C) | 2.3 in | |
| April | 53°F (12°C) | 3.1 in | |
| May | 64°F (18°C) | 4.6 in | |
| June | 73°F (23°C) | 4.4 in | |
| July | 77°F (25°C) | 4.1 in | Warmest |
| August | 75°F (24°C) | 4.2 in | |
| September | 67°F (19°C) | 4.7 in | Wettest |
| October | 55°F (13°C) | 2.9 in | |
| November | 41°F (5°C) | 1.9 in | |
| December | 30°F (-1°C) | 1.4 in |
Cosby has a seasonal temperature swing of 52°F / from 25°F in January to 77°F in July. Total annual precipitation is 35.5 inches, with September being the wettest month (4.7") and January the driest (0.9").