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Weather & Climate in Bunker, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bunker experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 30°F in January while summers reach 76°F in July. The area gets 258 sunny days per year, above the national average. Annual precipitation totals 43.1 inches. The area receives 5.6 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 1,407 feet.
Temperature
30°F Jan (-1°C)
76°F Jul (25°C)
| Annual Average | 54.9°F |
| 2% above US avg | |
| January Average | 30°F (-1°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 258 days/yr |
Geography
| Elevation | 1,407 ft (429 m) |
| Area | 0.7 sq mi (1.7 km²) |
| Population Density | 489/sq mi |
| Coordinates | 37.4556°N, 91.2096°W |
| Timezone | America/Chicago |
| Nearest Airport | Farmington Regional (FAM) 50 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
79 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Sep 26, 1990 | 4 km SE of Chaffee, Missouri | M4.8 | 145 km | 1 km |
| Jun 7, 2011 | 18 km NNW of Potosi, Missouri | M3.9 | 74 km | 21 km |
| Jul 7, 1991 | 11 km ENE of Brandsville, Missouri | M3.9 | 91 km | 8 km |
| Aug 22, 2000 | 19 km WNW of Maynard, Arkansas | M3.9 | 109 km | 10 km |
| Oct 21, 1999 | 9 km NW of Maynard, Arkansas | M3.9 | 110 km | 10 km |
| Aug 16, 2003 | 5 km W of Thomasville, Missouri | M3.7 | 81 km | 0 km |
| Sep 22, 2011 | 6 km E of Grandin, Missouri | M3.6 | 82 km | 11 km |
| Aug 20, 1994 | 4 km NE of Black Rock, Arkansas | M3.5 | 147 km | 10 km |
| Aug 27, 1993 | 5 km SSE of Olympian Village, Missouri | M3.3 | 98 km | 22 km |
| Dec 27, 1992 | 2 km E of Pocahontas, Missouri | M3.2 | 141 km | 10 km |
| Aug 21, 2022 | 4 km SSW of Imboden, Arkansas | M3.1 | 143 km | 16 km |
| May 15, 2014 | 4 km W of Malden, Missouri | M3.1 | 145 km | 6 km |
| Oct 21, 1999 | 10 km NW of Maynard, Arkansas | M3.1 | 110 km | 9 km |
| Mar 12, 2002 | 6 km S of Marble Hill, Missouri | M3.1 | 113 km | 10 km |
| Jan 21, 1992 | 5 km SE of Linn Creek, Missouri | M3.1 | 142 km | 5 km |
| Mar 18, 1990 | 9 km W of Alton, Missouri | M3.0 | 89 km | 1 km |
| Jun 27, 2025 | 12 km WSW of Grandin, Missouri | M2.9 | 80 km | 10 km |
| May 18, 2006 | 9 km SSE of De Soto, Missouri | M2.9 | 90 km | 6 km |
| Jul 8, 2003 | 1 km N of Leasburg, Missouri | M2.9 | 73 km | 4 km |
| May 21, 2012 | 6 km SW of Williamsville, Missouri | M2.9 | 80 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
341 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 41 fatalities, 410 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 24, 2002 | EF4 | 53 km | 40.5 mi | 0 |
| Jun 22, 1969 | EF4 | 56 km | 20.2 mi | 2 |
| Jun 22, 1969 | EF4 | 66 km | 15.1 mi | 4 |
| Dec 21, 1967 | EF4 | 26 km | 27.9 mi | 3 |
| May 21, 1957 | EF4 | 56 km | 9.1 mi | 7 |
| Mar 25, 1954 | EF4 | 91 km | 12.1 mi | 2 |
| May 26, 2024 | EF3 | 71 km | 12.4 mi | 0 |
| Oct 24, 2021 | EF3 | 76 km | 16.7 mi | 0 |
| Oct 24, 2021 | EF3 | 73 km | 18.8 mi | 0 |
| May 25, 2011 | EF3 | 78 km | 47.4 mi | 0 |
| Dec 31, 2010 | EF3 | 75 km | 11.0 mi | 2 |
| Dec 31, 2010 | EF3 | 90 km | 7.5 mi | 0 |
| May 8, 2009 | EF3 | 90 km | 2.2 mi | 0 |
| Jan 7, 2008 | EF3 | 90 km | 1.8 mi | 0 |
| Jan 7, 2008 | EF3 | 88 km | 4.7 mi | 0 |
| Jun 1, 1999 | EF3 | 73 km | 7.0 mi | 0 |
| Oct 18, 1984 | EF3 | 81 km | 26.0 mi | 1 |
| Apr 11, 1979 | EF3 | 94 km | 35.4 mi | 0 |
| Jul 19, 1970 | EF3 | 86 km | 5.0 mi | 0 |
| Dec 8, 1966 | EF3 | 58 km | 1.3 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: HANDY (12,818 acres, 2012).
| Year | Name | Acres Burned | Distance |
| 2012 | HANDY | 12,818 | 67 km |
| 2011 | UNNAMED | 9,641 | 74 km |
| 2022 | CEDAR BLUFF | 9,617 | 69 km |
| 2020 | BIG BARREN CREEK | 8,150 | 62 km |
| 2022 | STEGALL MOUNTAIN | 6,979 | 41 km |
| 2010 | WYLIE KING 1 | 6,077 | 85 km |
| 2015 | 15 STEGAL MOUNTAIN | 5,112 | 42 km |
| 2021 | ROCK PILE | 5,067 | 95 km |
| 2011 | MINNINGHAW | 4,792 | 12 km |
| 2024 | BRIDGES RX | 4,781 | 77 km |
| 2009 | STEGAL MTN. COMPLEX | 4,717 | 42 km |
| 2017 | UNNAMED | 4,602 | 12 km |
| 2023 | ELM SPRINGS RX | 4,378 | 78 km |
| 2021 | MILLER KING | 4,130 | 81 km |
| 2022 | SMITH MILL HOLLOW | 3,978 | 59 km |
| 2023 | CANNON RANGE RX | 3,870 | 93 km |
| 2021 | UNNAMED | 3,665 | 73 km |
| 1999 | STEGALL99 | 3,415 | 42 km |
| 2021 | KAINTUCK | 3,325 | 76 km |
| 2013 | UNNAMED | 3,313 | 76 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.2 in | Coldest, Driest |
| February | 36°F (2°C) | 2.5 in | |
| March | 45°F (7°C) | 4.1 in | |
| April | 55°F (13°C) | 4.3 in | |
| May | 64°F (18°C) | 4.5 in | Wettest |
| June | 71°F (22°C) | 3.6 in | |
| July | 76°F (25°C) | 3.7 in | Warmest |
| August | 75°F (24°C) | 3.8 in | |
| September | 68°F (20°C) | 3.9 in | |
| October | 57°F (14°C) | 3.0 in | |
| November | 45°F (7°C) | 4.2 in | |
| December | 35°F (2°C) | 3.5 in |
Bunker has a seasonal temperature swing of 46°F / from 30°F in January to 76°F in July. Total annual precipitation is 43.1 inches, with May being the wettest month (4.5") and January the driest (2.2").