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Weather & Climate in Brimson, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Brimson experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 24°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 37.1 inches. The area receives 3.9 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 791 feet.
Temperature
24°F Jan (-4°C)
77°F Jul (25°C)
| Annual Average | 52.0°F |
| 4% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 269 days/yr |
Geography
| Elevation | 791 ft (241 m) |
| Area | 0.1 sq mi (0.2 km²) |
| Population Density | 678/sq mi |
| Coordinates | 40.1436°N, 93.7388°W |
| Timezone | America/Chicago |
| Nearest Airport | Kirksville Regional (IRK) 63 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: M3.1.
| Feb 11, 1995 | 6 km E of Clearmont, Missouri | M3.1 | 110 km | 5 km |
| May 13, 1999 | 6 km WSW of Kansas City, Kansas | M3.0 | 142 km | 5 km |
| Jul 15, 2025 | 3 km W of Hale, Missouri | M2.5 | 68 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
377 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 15 fatalities, 175 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 29, 2004 | EF4 | 53 km | 22.0 mi | 3 |
| Jun 7, 1984 | EF4 | 39 km | 134.0 mi | 3 |
| Jun 2, 1980 | EF4 | 55 km | 31.2 mi | 0 |
| May 4, 1977 | EF4 | 94 km | 48.6 mi | 0 |
| Apr 23, 1975 | EF4 | 53 km | 11.4 mi | 1 |
| Apr 21, 1973 | EF4 | 26 km | 14.6 mi | 0 |
| Jun 12, 1970 | EF4 | 99 km | 16.1 mi | 0 |
| Apr 21, 1967 | EF4 | 69 km | 59.0 mi | 0 |
| May 20, 1959 | EF4 | 79 km | 17.2 mi | 0 |
| May 10, 1953 | EF4 | 88 km | 6.4 mi | 0 |
| Mar 5, 2022 | EF3 | 94 km | 11.3 mi | 1 |
| Apr 11, 2001 | EF3 | 60 km | 76.5 mi | 0 |
| May 27, 1995 | EF3 | 52 km | 30.4 mi | 0 |
| Mar 29, 1979 | EF3 | 88 km | 57.0 mi | 0 |
| Apr 23, 1975 | EF3 | 57 km | 14.0 mi | 0 |
| May 5, 1971 | EF3 | 80 km | 3.8 mi | 0 |
| May 5, 1971 | EF3 | 80 km | 0.1 mi | 0 |
| Apr 21, 1967 | EF3 | 75 km | 14.6 mi | 0 |
| Apr 16, 1960 | EF3 | 61 km | 27.0 mi | 0 |
| Oct 8, 1958 | EF3 | 82 km | 23.1 mi | 2 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: HIGHWAY E (897 acres, 2012).
| Year | Name | Acres Burned | Distance |
| 2012 | HIGHWAY E | 897 | 68 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 1.2 in | Coldest |
| February | 30°F (-1°C) | 1.1 in | Driest |
| March | 41°F (5°C) | 2.6 in | |
| April | 53°F (11°C) | 3.5 in | |
| May | 63°F (17°C) | 4.7 in | Wettest |
| June | 72°F (22°C) | 4.2 in | |
| July | 77°F (25°C) | 4.4 in | Warmest |
| August | 75°F (24°C) | 4.0 in | |
| September | 66°F (19°C) | 4.4 in | |
| October | 55°F (13°C) | 3.2 in | |
| November | 41°F (5°C) | 2.2 in | |
| December | 29°F (-2°C) | 1.6 in |
Brimson has a seasonal temperature swing of 53°F / from 24°F in January to 77°F in July. Total annual precipitation is 37.0 inches, with May being the wettest month (4.7") and February the driest (1.1").