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Weather & Climate in Leavenworth, KS
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Leavenworth enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 30°F in January while summers reach 80°F in July. The area gets 293 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 41.3 inches. The area receives 18.8 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 36. 94% of days have good air quality. The city sits at an elevation of 827 feet.
Temperature
30°F Jan (-1°C)
80°F Jul (27°C)
| Annual Average | 55.8°F |
| 3% above US avg | |
| January Average | 30°F (-1°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 827 ft (252 m) |
| Area | 24.1 sq mi (62.3 km²) |
| Population Density | 1,527/sq mi |
| Coordinates | 39.3227°N, 94.9250°W |
| Timezone | America/Chicago |
| County | Platte County County |
| Nearest Airport | Kansas City International (MCI) 11 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
| Good Days % | 94.0% |
| Unhealthy Days | 0 |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 71.4 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 87.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | No Rating |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
8 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Dec 17, 2009 | 2 km NW of Auburn, Nebraska | M3.6 | 145 km | 5 km |
| May 18, 2005 | Missouri | M3.3 | 127 km | 5 km |
| Mar 23, 2007 | 5 km N of Nortonville, Kansas | M3.1 | 39 km | 5 km |
| Feb 11, 1995 | 6 km E of Clearmont, Missouri | M3.1 | 132 km | 5 km |
| May 13, 1999 | 6 km WSW of Kansas City, Kansas | M3.0 | 32 km | 5 km |
| Mar 31, 1993 | 2 km SE of Nemaha, Nebraska | M2.9 | 127 km | 5 km |
| Apr 4, 2015 | 3 km ESE of Clinton, Missouri | M2.6 | 148 km | 2 km |
| Jul 15, 2025 | 3 km W of Hale, Missouri | M2.5 | 136 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
646 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 49 fatalities, 977 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 8, 1966 | EF5 | 97 km | 21.1 mi | 16 |
| May 28, 2019 | EF4 | 66 km | 29.1 mi | 0 |
| May 29, 2004 | EF4 | 85 km | 22.0 mi | 3 |
| May 4, 2003 | EF4 | 29 km | 21.0 mi | 2 |
| May 4, 2003 | EF4 | 40 km | 5.0 mi | 0 |
| May 4, 1977 | EF4 | 55 km | 12.0 mi | 0 |
| May 4, 1977 | EF4 | 80 km | 48.6 mi | 0 |
| Apr 23, 1975 | EF4 | 92 km | 11.4 mi | 1 |
| Jun 8, 1966 | EF4 | 28 km | 19.9 mi | 1 |
| Aug 6, 1962 | EF4 | 77 km | 11.0 mi | 0 |
| May 7, 1961 | EF4 | 17 km | 26.2 mi | 0 |
| May 19, 1960 | EF4 | 90 km | 27.5 mi | 1 |
| May 22, 1952 | EF4 | 46 km | 26.9 mi | 0 |
| Mar 6, 2017 | EF3 | 72 km | 17.7 mi | 0 |
| May 2, 2008 | EF3 | 38 km | 0.9 mi | 0 |
| May 29, 2004 | EF3 | 23 km | 7.0 mi | 0 |
| Apr 26, 1984 | EF3 | 44 km | 32.0 mi | 0 |
| May 6, 1983 | EF3 | 94 km | 19.0 mi | 1 |
| Jun 19, 1981 | EF3 | 49 km | 7.7 mi | 1 |
| May 4, 1977 | EF3 | 70 km | 31.6 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
15 wildfires (100+ acres) recorded within 100 km. Largest: BOURBONAIS CREEK (2,803 acres, 2020).
| Year | Name | Acres Burned | Distance |
| 2020 | BOURBONAIS CREEK | 2,803 | 94 km |
| 2021 | 345 | 2,430 | 95 km |
| 2021 | 4 DELTA 21 | 1,708 | 87 km |
| 2011 | 182 | 1,575 | 88 km |
| 1996 | UNNAMED | 1,575 | 96 km |
| 1994 | UNNAMED | 1,408 | 100 km |
| 2021 | CRAWFORD | 1,015 | 96 km |
| 2018 | FY 18 182 ROAD BROADCAST BURN | 1,009 | 81 km |
| 2020 | MOSQR-FY20-RX-WUI | 964 | 92 km |
| 2012 | HIGHWAY E | 897 | 95 km |
| 2016 | SQR BM SL DESOTO 2016 WUI RX | 866 | 92 km |
| 1988 | NORTH POOL | 698 | 92 km |
| 2020 | UNNAMED | 645 | 91 km |
| 2009 | UNIT 6 | 625 | 89 km |
| 2002 | SCRDGRS 6 | 536 | 89 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 1.1 in | Coldest, Driest |
| February | 33°F (1°C) | 1.2 in | |
| March | 44°F (7°C) | 2.6 in | |
| April | 55°F (13°C) | 3.7 in | |
| May | 65°F (18°C) | 5.2 in | Wettest |
| June | 74°F (23°C) | 5.1 in | |
| July | 80°F (27°C) | 4.3 in | Warmest |
| August | 77°F (25°C) | 3.8 in | |
| September | 68°F (20°C) | 4.8 in | |
| October | 57°F (14°C) | 3.5 in | |
| November | 43°F (6°C) | 2.6 in | |
| December | 32°F (0°C) | 1.6 in |
Leavenworth has a seasonal temperature swing of 50°F / from 30°F in January to 80°F in July. Total annual precipitation is 39.5 inches, with May being the wettest month (5.2") and January the driest (1.1").