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Weather & Climate in West Line, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
West Line experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 28°F in January while summers reach 78°F in July. The area gets 263 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 40.1 inches. The area receives 4.4 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 925 feet.
Temperature
28°F Jan (-2°C)
78°F Jul (26°C)
| Annual Average | 54.5°F |
| 1% above US avg | |
| January Average | 28°F (-2°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 263 days/yr |
Geography
| Elevation | 925 ft (282 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 173/sq mi |
| Coordinates | 38.6322°N, 94.5841°W |
| Timezone | America/Chicago |
| Nearest Airport | Lawrence Regional (LWC) 43 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
6 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.3.
| May 18, 2005 | Missouri | M3.3 | 57 km | 5 km |
| Mar 23, 2007 | 5 km N of Nortonville, Kansas | M3.1 | 113 km | 5 km |
| Mar 30, 2001 | 1 km SW of Hermitage, Missouri | M3.1 | 135 km | 5 km |
| May 13, 1999 | 6 km WSW of Kansas City, Kansas | M3.0 | 53 km | 5 km |
| Apr 4, 2015 | 3 km ESE of Clinton, Missouri | M2.6 | 79 km | 2 km |
| Jul 15, 2025 | 3 km W of Hale, Missouri | M2.5 | 149 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
542 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 77 fatalities, 565 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 20, 1957 | EF5 | 82 km | 69.4 mi | 44 |
| May 28, 2019 | EF4 | 72 km | 29.1 mi | 0 |
| Feb 28, 2007 | EF4 | 72 km | 28.0 mi | 0 |
| May 4, 2003 | EF4 | 53 km | 21.0 mi | 2 |
| May 4, 2003 | EF4 | 67 km | 5.0 mi | 0 |
| May 4, 1977 | EF4 | 92 km | 48.6 mi | 0 |
| May 4, 1977 | EF4 | 70 km | 12.0 mi | 0 |
| Apr 19, 1973 | EF4 | 92 km | 10.0 mi | 0 |
| Jun 8, 1966 | EF4 | 79 km | 19.9 mi | 1 |
| Apr 12, 1964 | EF4 | 85 km | 19.4 mi | 3 |
| May 7, 1961 | EF4 | 67 km | 26.2 mi | 0 |
| May 22, 1952 | EF4 | 67 km | 26.9 mi | 0 |
| Mar 6, 2017 | EF3 | 47 km | 17.7 mi | 0 |
| May 2, 2008 | EF3 | 74 km | 0.9 mi | 0 |
| May 4, 1999 | EF3 | 92 km | 3.0 mi | 0 |
| May 17, 1995 | EF3 | 90 km | 14.0 mi | 0 |
| Jun 19, 1981 | EF3 | 70 km | 7.7 mi | 1 |
| May 4, 1977 | EF3 | 71 km | 26.2 mi | 1 |
| May 4, 1977 | EF3 | 71 km | 31.6 mi | 0 |
| May 4, 1977 | EF3 | 23 km | 29.8 mi | 2 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
9 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (2,089 acres, 2006).
| Year | Name | Acres Burned | Distance |
| 2006 | UNNAMED | 2,089 | 74 km |
| 1991 | UNNAMED | 2,043 | 99 km |
| 2005 | NR STEELE | 1,652 | 45 km |
| 1996 | UNNAMED | 1,305 | 90 km |
| 1994 | UNNAMED | 1,097 | 91 km |
| 2000 | UNNAMED | 802 | 95 km |
| 2006 | SALT CREEK MARSH | 720 | 96 km |
| 1996 | UNNAMED | 636 | 92 km |
| 1996 | UNNAMED | 624 | 88 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 1.4 in | Coldest |
| February | 34°F (1°C) | 1.3 in | Driest |
| March | 44°F (7°C) | 3.0 in | |
| April | 55°F (13°C) | 3.6 in | |
| May | 64°F (18°C) | 4.9 in | |
| June | 73°F (23°C) | 5.6 in | Wettest |
| July | 78°F (26°C) | 3.6 in | Warmest |
| August | 77°F (25°C) | 3.9 in | |
| September | 68°F (20°C) | 4.8 in | |
| October | 57°F (14°C) | 3.7 in | |
| November | 44°F (7°C) | 2.6 in | |
| December | 33°F (0°C) | 1.7 in |
West Line has a seasonal temperature swing of 50°F / from 28°F in January to 78°F in July. Total annual precipitation is 40.1 inches, with June being the wettest month (5.6") and February the driest (1.3").