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Weather & Climate in Lebanon, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lebanon experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 30°F in January while summers reach 78°F in July. The area gets 259 sunny days per year, above the national average. Annual precipitation totals 42.5 inches. The area receives 4.5 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 1,266 feet.
Temperature
30°F Jan (-1°C)
78°F Jul (25°C)
| Annual Average | 55.3°F |
| 2% above US avg | |
| January Average | 30°F (-1°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 259 days/yr |
Geography
| Elevation | 1,266 ft (386 m) |
| Area | 14.6 sq mi (37.9 km²) |
| Population Density | 1,035/sq mi |
| Coordinates | 37.6806°N, 92.6638°W |
| Timezone | America/Chicago |
| Nearest Airport | Waynesville-St Robert Regional Forney Field (TBN) 29 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
19 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Jul 7, 1991 | 11 km ENE of Brandsville, Missouri | M3.9 | 147 km | 8 km |
| Aug 16, 2003 | 5 km W of Thomasville, Missouri | M3.7 | 137 km | 0 km |
| Jun 11, 2017 | 6 km NNE of Bergman, Arkansas | M3.6 | 148 km | 6 km |
| May 18, 2005 | Missouri | M3.3 | 143 km | 5 km |
| Jul 31, 2005 | Missouri | M3.3 | 116 km | 5 km |
| Mar 30, 2001 | 1 km SW of Hermitage, Missouri | M3.1 | 65 km | 5 km |
| Jan 21, 1992 | 5 km SE of Linn Creek, Missouri | M3.1 | 36 km | 5 km |
| Jul 8, 2003 | 1 km N of Leasburg, Missouri | M2.9 | 129 km | 4 km |
| Jun 16, 2017 | 6 km N of Bergman, Arkansas | M2.9 | 148 km | 6 km |
| Nov 26, 1999 | 9 km NNE of Mountain Home, Arkansas | M2.7 | 143 km | 3 km |
| Feb 14, 2019 | 11 km WSW of Mountain View, Missouri | M2.6 | 111 km | 7 km |
| Mar 7, 2009 | 7 km S of Miramiguoa Park, Missouri | M2.6 | 150 km | 7 km |
| Apr 4, 2015 | 3 km ESE of Clinton, Missouri | M2.6 | 121 km | 2 km |
| Apr 23, 2025 | 3 km E of Hartville, Missouri | M2.6 | 50 km | 4 km |
| Apr 29, 2018 | 3 km WNW of Evergreen, Missouri | M2.5 | 14 km | 2 km |
| May 13, 2015 | 8 km E of Lead Hill, Arkansas | M2.5 | 139 km | 0 km |
| Jun 21, 2017 | 6 km N of Bergman, Arkansas | M2.5 | 148 km | 5 km |
| Jan 4, 2024 | 13 km E of South Lead Hill, Arkansas | M2.5 | 141 km | 4 km |
| May 2, 2001 | 10 km NW of Bakersfield, Missouri | M2.5 | 128 km | 1 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
446 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 17 fatalities, 350 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Nov 29, 1991 | EF4 | 86 km | 10.0 mi | 2 |
| Sep 26, 1959 | EF4 | 37 km | 7.8 mi | 0 |
| Mar 25, 1954 | EF4 | 55 km | 12.1 mi | 2 |
| May 22, 2019 | EF3 | 73 km | 32.7 mi | 0 |
| Dec 31, 2010 | EF3 | 81 km | 11.0 mi | 2 |
| Dec 31, 2010 | EF3 | 42 km | 7.5 mi | 0 |
| Jan 7, 2008 | EF3 | 58 km | 1.8 mi | 0 |
| Jan 7, 2008 | EF3 | 63 km | 50.4 mi | 3 |
| Jan 7, 2008 | EF3 | 61 km | 4.7 mi | 0 |
| Mar 12, 2006 | EF3 | 51 km | 32.0 mi | 0 |
| Mar 12, 2006 | EF3 | 70 km | 17.0 mi | 0 |
| May 4, 2003 | EF3 | 28 km | 14.0 mi | 4 |
| Jun 1, 1999 | EF3 | 93 km | 7.0 mi | 0 |
| Apr 29, 1983 | EF3 | 88 km | 5.5 mi | 1 |
| Mar 15, 1982 | EF3 | 92 km | 14.0 mi | 0 |
| Apr 11, 1979 | EF3 | 88 km | 35.4 mi | 0 |
| Apr 20, 1973 | EF3 | 88 km | 19.4 mi | 0 |
| Apr 15, 2023 | EF2 | 84 km | 6.9 mi | 0 |
| Apr 30, 2019 | EF2 | 83 km | 10.3 mi | 0 |
| Apr 13, 2018 | EF2 | 67 km | 9.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (7,388 acres, 1994).
| Year | Name | Acres Burned | Distance |
| 1994 | UNNAMED | 7,388 | 34 km |
| 1994 | UNNAMED | 5,344 | 14 km |
| 2006 | BIG SPRING FIRE | 4,921 | 33 km |
| 2010 | UNNAMED | 4,767 | 34 km |
| 2023 | ELM SPRINGS RX | 4,378 | 63 km |
| 2009 | MOUNTAIN CREEK | 4,322 | 19 km |
| 1991 | UNNAMED | 4,179 | 22 km |
| 2023 | CANNON RANGE RX | 3,870 | 38 km |
| 2021 | UNNAMED | 3,665 | 62 km |
| 1992 | UNNAMED | 3,538 | 35 km |
| 1991 | UNNAMED | 3,533 | 16 km |
| 1991 | UNNAMED | 3,492 | 29 km |
| 1994 | UNNAMED | 3,336 | 25 km |
| 2021 | KAINTUCK | 3,325 | 68 km |
| 1991 | UNNAMED | 3,135 | 25 km |
| 2012 | KINFOLK RD | 2,883 | 17 km |
| 2005 | UNNAMED | 2,831 | 68 km |
| 1991 | UNNAMED | 2,763 | 68 km |
| 2007 | UNNAMED | 2,710 | 33 km |
| 2005 | UNNAMED | 2,590 | 34 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 1.7 in | Coldest, Driest |
| February | 36°F (2°C) | 2.2 in | |
| March | 45°F (7°C) | 3.7 in | |
| April | 55°F (13°C) | 4.1 in | |
| May | 64°F (18°C) | 4.7 in | Wettest |
| June | 72°F (22°C) | 4.2 in | |
| July | 78°F (25°C) | 3.6 in | Warmest |
| August | 76°F (25°C) | 3.5 in | |
| September | 68°F (20°C) | 4.3 in | |
| October | 57°F (14°C) | 3.9 in | |
| November | 45°F (7°C) | 3.9 in | |
| December | 35°F (2°C) | 2.8 in |
Lebanon has a seasonal temperature swing of 47°F / from 30°F in January to 78°F in July. Total annual precipitation is 42.5 inches, with May being the wettest month (4.7") and January the driest (1.7").