Weather & Climate in Blairstown, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Blairstown experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 30°F in January while summers reach 79°F in July. Annual precipitation totals 42.7 inches. The area receives 14.6 inches of snow annually. The city sits at an elevation of 791 feet.
Temperature
30°F Jan (-1°C)
79°F Jul (26°C)
| Annual Average | 55.3°F |
| 2% above US avg | |
| January Average | 30°F (-1°C) |
| July Average | 79°F (26°C) |
Geography
| Elevation | 791 ft (241 m) |
| Area | 0.3 sq mi (0.6 km²) |
| Population Density | 240/sq mi |
| Coordinates | 38.5558°N, 93.9608°W |
| Timezone | America/Chicago |
| Nearest Airport | Sedalia Regional (DMO) 44 miles away |
Precipitation & Snow
Air Quality
Earthquake History
7 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.3.
| May 18, 2005 | Missouri | M3.3 | 11 km | 5 km |
| Jul 31, 2005 | Missouri | M3.3 | 109 km | 5 km |
| Mar 30, 2001 | 1 km SW of Hermitage, Missouri | M3.1 | 89 km | 5 km |
| Jan 21, 1992 | 5 km SE of Linn Creek, Missouri | M3.1 | 129 km | 5 km |
| May 13, 1999 | 6 km WSW of Kansas City, Kansas | M3.0 | 88 km | 5 km |
| Apr 4, 2015 | 3 km ESE of Clinton, Missouri | M2.6 | 29 km | 2 km |
| Jul 15, 2025 | 3 km W of Hale, Missouri | M2.5 | 126 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
475 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 13 fatalities, 338 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 4, 2003 | EF4 | 87 km | 5.0 mi | 0 |
| May 4, 2003 | EF4 | 95 km | 21.0 mi | 2 |
| May 4, 1977 | EF4 | 85 km | 48.6 mi | 0 |
| May 4, 1977 | EF4 | 80 km | 12.0 mi | 0 |
| Apr 19, 1973 | EF4 | 38 km | 10.0 mi | 0 |
| Mar 6, 2017 | EF3 | 51 km | 17.7 mi | 0 |
| May 2, 2008 | EF3 | 94 km | 0.9 mi | 0 |
| Mar 12, 2006 | EF3 | 91 km | 17.0 mi | 0 |
| Mar 12, 2006 | EF3 | 86 km | 35.0 mi | 0 |
| May 4, 1999 | EF3 | 64 km | 3.0 mi | 0 |
| May 17, 1995 | EF3 | 92 km | 14.0 mi | 0 |
| Mar 15, 1982 | EF3 | 63 km | 14.0 mi | 0 |
| May 12, 1980 | EF3 | 49 km | 15.8 mi | 0 |
| May 4, 1977 | EF3 | 53 km | 29.8 mi | 2 |
| May 4, 1977 | EF3 | 49 km | 11.2 mi | 0 |
| May 4, 1977 | EF3 | 50 km | 26.2 mi | 1 |
| Apr 20, 1973 | EF3 | 66 km | 19.4 mi | 0 |
| Apr 20, 1973 | EF3 | 51 km | 5.0 mi | 0 |
| Apr 20, 1973 | EF3 | 44 km | 10.1 mi | 0 |
| Jun 26, 1969 | EF3 | 90 km | 10.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (2,763 acres, 1991).
| Year | Name | Acres Burned | Distance |
| 1991 | UNNAMED | 2,763 | 82 km |
| 2006 | UNNAMED | 2,089 | 26 km |
| 1991 | UNNAMED | 2,023 | 86 km |
| 1991 | UNNAMED | 1,840 | 77 km |
| 2005 | NR STEELE | 1,652 | 69 km |
| 1996 | UNNAMED | 1,356 | 80 km |
| 1996 | UNNAMED | 1,305 | 56 km |
| 1991 | UNNAMED | 1,294 | 87 km |
| 2006 | UNNAMED | 1,282 | 65 km |
| 1991 | UNNAMED | 1,273 | 89 km |
| 1994 | UNNAMED | 1,045 | 81 km |
| 2005 | UNNAMED | 940 | 73 km |
| 1991 | UNNAMED | 938 | 72 km |
| 1994 | UNNAMED | 869 | 89 km |
| 1994 | UNNAMED | 864 | 81 km |
| 2005 | UNNAMED | 860 | 72 km |
| 1994 | UNNAMED | 849 | 90 km |
| 2006 | UNNAMED | 840 | 72 km |
| 2000 | UNNAMED | 802 | 72 km |
| 1994 | UNNAMED | 790 | 91 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 1.4 in | Coldest, Driest |
| February | 35°F (2°C) | 2.0 in | |
| March | 45°F (7°C) | 2.9 in | |
| April | 55°F (13°C) | 4.7 in | |
| May | 65°F (18°C) | 5.7 in | |
| June | 74°F (24°C) | 5.8 in | Wettest |
| July | 79°F (26°C) | 3.9 in | Warmest |
| August | 77°F (25°C) | 3.7 in | |
| September | 69°F (20°C) | 4.7 in | |
| October | 57°F (14°C) | 3.7 in | |
| November | 45°F (7°C) | 2.4 in | |
| December | 34°F (1°C) | 1.8 in |
Blairstown has a seasonal temperature swing of 48°F / from 30°F in January to 79°F in July. Total annual precipitation is 42.7 inches, with June being the wettest month (5.8") and January the driest (1.4").