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Weather & Climate in La Harpe, KS
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
La Harpe enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 31°F in January while summers reach 79°F in July. The area gets 305 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 42.0 inches. The area receives 7.4 inches of snow annually. Air quality is rated Good with a median AQI of 39. The city sits at an elevation of 1,030 feet.
Temperature
31°F Jan (-1°C)
79°F Jul (26°C)
| Annual Average | 55.9°F |
| 4% above US avg | |
| January Average | 31°F (-1°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 1,030 ft (314 m) |
| Area | 0.8 sq mi (2.1 km²) |
| Population Density | 530/sq mi |
| Coordinates | 37.9164°N, 95.3031°W |
| Timezone | America/Chicago |
| County | Allen County County |
| Nearest Airport | Joplin Regional (JLN) 66 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 15.3 / 100 |
| Social Vulnerability | 13.6 / 100 |
| Community Resilience | 58.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
18 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Sep 16, 2019 | 15 km NW of Elmdale, Kansas | M3.8 | 141 km | 5 km |
| May 18, 2005 | Missouri | M3.3 | 132 km | 5 km |
| Sep 16, 2019 | 11 km E of Marion, Kansas | M3.2 | 147 km | 5 km |
| Jun 4, 2023 | 13 km SE of Lincolnville, Kansas | M3.2 | 145 km | 5 km |
| May 13, 1999 | 6 km WSW of Kansas City, Kansas | M3.0 | 142 km | 5 km |
| Jan 29, 2020 | 11 km SSE of Lincolnville, Kansas | M2.8 | 149 km | 5 km |
| Sep 25, 2024 | 6 km NE of Cedar Point, Kansas | M2.7 | 136 km | 6 km |
| Apr 4, 2015 | 3 km ESE of Clinton, Missouri | M2.6 | 145 km | 2 km |
| Apr 21, 2025 | 7 km ESE of Marion, Kansas | M2.6 | 150 km | 10 km |
| Mar 7, 2023 | 14 km SE of Lincolnville, Kansas | M2.6 | 144 km | 5 km |
| May 10, 2023 | 13 km SE of Lincolnville, Kansas | M2.6 | 146 km | 8 km |
| Mar 12, 2020 | 9 km SE of Lincolnville, Kansas | M2.6 | 150 km | 5 km |
| Mar 5, 2023 | 15 km SE of Lincolnville, Kansas | M2.5 | 144 km | 5 km |
| May 2, 2023 | 15 km WNW of Elmdale, Kansas | M2.5 | 143 km | 8 km |
| Apr 11, 2020 | 13 km E of Lincolnville, Kansas | M2.5 | 146 km | 5 km |
| Jun 8, 2023 | 14 km SE of Lincolnville, Kansas | M2.5 | 145 km | 8 km |
| May 18, 2023 | 12 km SE of Lincolnville, Kansas | M2.5 | 147 km | 5 km |
| Jan 4, 2024 | 13 km ENE of Marion, Kansas | M2.5 | 146 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
480 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 90 fatalities, 660 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 20, 1957 | EF5 | 62 km | 69.4 mi | 44 |
| Feb 28, 2007 | EF4 | 30 km | 28.0 mi | 0 |
| May 4, 2003 | EF4 | 58 km | 33.0 mi | 4 |
| Jun 8, 1974 | EF4 | 98 km | 37.5 mi | 6 |
| Apr 12, 1964 | EF4 | 23 km | 19.4 mi | 3 |
| Jun 26, 2018 | EF3 | 89 km | 9.2 mi | 0 |
| May 21, 2011 | EF3 | 90 km | 10.1 mi | 1 |
| Apr 21, 2005 | EF3 | 55 km | 5.0 mi | 0 |
| May 8, 2003 | EF3 | 84 km | 25.0 mi | 0 |
| May 8, 2003 | EF3 | 58 km | 23.0 mi | 0 |
| May 4, 2003 | EF3 | 79 km | 86.0 mi | 5 |
| May 4, 2003 | EF3 | 98 km | 25.0 mi | 5 |
| Apr 19, 2000 | EF3 | 80 km | 34.0 mi | 0 |
| May 17, 1995 | EF3 | 74 km | 14.0 mi | 0 |
| Apr 26, 1991 | EF3 | 71 km | 15.0 mi | 0 |
| Mar 26, 1983 | EF3 | 76 km | 7.0 mi | 0 |
| Mar 15, 1982 | EF3 | 62 km | 70.0 mi | 2 |
| Mar 15, 1982 | EF3 | 88 km | 9.0 mi | 0 |
| May 4, 1977 | EF3 | 87 km | 29.8 mi | 2 |
| May 4, 1977 | EF3 | 98 km | 31.6 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: RD 80 (63,061 acres, 2016).
| Year | Name | Acres Burned | Distance |
| 2016 | RD 80 | 63,061 | 99 km |
| 2014 | UNNAMED | 20,760 | 77 km |
| 1996 | UNNAMED | 14,661 | 72 km |
| 2018 | 18-85 | 14,632 | 69 km |
| 1996 | UNNAMED | 13,265 | 80 km |
| 2002 | WEST UNIT | 11,187 | 99 km |
| 1992 | UNNAMED | 11,123 | 99 km |
| 2002 | UNNAMED | 8,678 | 70 km |
| 2003 | UNNAMED | 5,094 | 99 km |
| 2020 | HAMLITON | 4,729 | 80 km |
| 1995 | UNNAMED | 3,676 | 92 km |
| 2014 | UNNAMED | 2,068 | 92 km |
| 1991 | UNNAMED | 2,043 | 45 km |
| 1994 | UNNAMED | 1,952 | 97 km |
| 1990 | UNNAMED | 1,823 | 41 km |
| 1994 | UNNAMED | 1,719 | 89 km |
| 2015 | VOLZ FIRE | 1,662 | 78 km |
| 2005 | NR STEELE | 1,652 | 68 km |
| 1988 | UNNAMED | 1,539 | 25 km |
| 2016 | 04-02-1 | 1,357 | 99 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 1.3 in | Coldest, Driest |
| February | 35°F (2°C) | 1.4 in | |
| March | 46°F (8°C) | 3.2 in | |
| April | 56°F (13°C) | 3.5 in | |
| May | 65°F (18°C) | 4.8 in | |
| June | 74°F (23°C) | 5.6 in | Wettest |
| July | 79°F (26°C) | 3.6 in | Warmest |
| August | 78°F (26°C) | 4.2 in | |
| September | 70°F (21°C) | 4.5 in | |
| October | 58°F (15°C) | 3.9 in | |
| November | 45°F (7°C) | 2.7 in | |
| December | 34°F (1°C) | 1.6 in |
La Harpe has a seasonal temperature swing of 48°F / from 31°F in January to 79°F in July. Total annual precipitation is 40.3 inches, with June being the wettest month (5.6") and January the driest (1.3").