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Weather & Climate in South Haven, KS
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
South Haven enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 33°F in January while summers reach 81°F in July. The area gets 317 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 36.1 inches. The area receives 9.2 inches of snow annually. Air quality is rated Good with a median AQI of 39. The city sits at an elevation of 1,125 feet.
Temperature
33°F Jan (0°C)
81°F Jul (27°C)
| Annual Average | 56.9°F |
| 5% above US avg | |
| January Average | 33°F (0°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | 1,125 ft (343 m) |
| Area | 1.0 sq mi (2.6 km²) |
| Population Density | 327/sq mi |
| Coordinates | 37.0495°N, 97.4013°W |
| Timezone | America/Chicago |
| County | Sumner County County |
| Nearest Airport | Ponca City Regional (PNC) 28 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 48.8 / 100 |
| Social Vulnerability | 27.8 / 100 |
| Community Resilience | 78.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
5,782 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.
| Sep 3, 2016 | 14 km NW of Pawnee, Oklahoma | M5.8 | 81 km | 6 km |
| Feb 13, 2016 | 18 km SE of Waynoka, Oklahoma | M5.1 | 132 km | 8 km |
| Jan 7, 2016 | 16 km SE of Waynoka, Oklahoma | M4.7 | 133 km | 4 km |
| Apr 7, 2018 | 5 km WNW of Lucien, Oklahoma | M4.6 | 85 km | 6 km |
| Apr 9, 2018 | 8 km NNE of Marshall, Oklahoma | M4.6 | 94 km | 5 km |
| Jan 31, 2022 | 7 km NW of Medford, Oklahoma | M4.5 | 41 km | 8 km |
| Jan 19, 2020 | 2 km W of South Hutchinson, Kansas | M4.5 | 120 km | 5 km |
| Jul 27, 2015 | 4 km NNE of Crescent, Oklahoma | M4.5 | 119 km | 5 km |
| Jun 9, 2018 | 8 km E of Nescatunga, Oklahoma | M4.4 | 67 km | 10 km |
| Jan 7, 2016 | 17 km SE of Waynoka, Oklahoma | M4.4 | 135 km | 7 km |
| Aug 19, 2014 | 12 km SSW of Guthrie, Oklahoma | M4.4 | 142 km | 5 km |
| Jul 9, 2016 | 17 km SE of Waynoka, Oklahoma | M4.4 | 137 km | 7 km |
| May 17, 2019 | 8 km E of Pond Creek, Oklahoma | M4.4 | 50 km | 5 km |
| Jan 7, 2016 | 16 km SE of Waynoka, Oklahoma | M4.4 | 135 km | 7 km |
| Jul 20, 2015 | 7 km SSE of Byron, Oklahoma | M4.4 | 80 km | 4 km |
| Sep 8, 2017 | 9 km ESE of Jefferson, Oklahoma | M4.3 | 46 km | 6 km |
| Jun 17, 2015 | 6 km ESE of Covington, Oklahoma | M4.3 | 86 km | 6 km |
| Jul 29, 2014 | 9 km E of Nescatunga, Oklahoma | M4.3 | 66 km | 5 km |
| May 13, 2017 | 17 km SE of Waynoka, Oklahoma | M4.2 | 135 km | 5 km |
| Mar 4, 2018 | 4 km N of Breckinridge, Oklahoma | M4.2 | 70 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
801 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 146 fatalities, 1,229 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 26, 1991 | EF5 | 47 km | 46.0 mi | 17 |
| Mar 13, 1990 | EF5 | 97 km | 48.0 mi | 1 |
| May 25, 1955 | EF5 | 29 km | 56.4 mi | 80 |
| May 25, 1955 | EF5 | 38 km | 28.4 mi | 20 |
| May 12, 2004 | EF4 | 56 km | 1.2 mi | 0 |
| May 3, 1999 | EF4 | 30 km | 24.0 mi | 6 |
| Apr 26, 1991 | EF4 | 70 km | 66.0 mi | 0 |
| Apr 26, 1991 | EF4 | 22 km | 25.0 mi | 1 |
| Jun 23, 1969 | EF4 | 70 km | 8.7 mi | 0 |
| Mar 16, 1965 | EF4 | 80 km | 82.7 mi | 0 |
| Jun 10, 1958 | EF4 | 95 km | 9.0 mi | 15 |
| Apr 2, 1956 | EF4 | 46 km | 108.3 mi | 2 |
| Apr 29, 2022 | EF3 | 67 km | 12.7 mi | 0 |
| May 6, 2015 | EF3 | 91 km | 16.5 mi | 0 |
| May 19, 2012 | EF3 | 81 km | 9.7 mi | 0 |
| May 19, 2012 | EF3 | 77 km | 9.7 mi | 0 |
| Apr 14, 2012 | EF3 | 56 km | 13.2 mi | 0 |
| Apr 14, 2012 | EF3 | 37 km | 18.1 mi | 0 |
| May 10, 2010 | EF3 | 62 km | 47.7 mi | 0 |
| Jun 12, 2004 | EF3 | 49 km | 4.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (20,347 acres, 2015).
| Year | Name | Acres Burned | Distance |
| 2015 | UNNAMED | 20,347 | 90 km |
| 2014 | RESERVE | 19,016 | 99 km |
| 2018 | WEST 60 | 18,715 | 86 km |
| 2014 | SPIDER | 14,587 | 100 km |
| 2016 | FERGUSON RANCH | 13,625 | 92 km |
| 2011 | GREYHORSE | 10,411 | 95 km |
| 2024 | BOWMAN | 9,422 | 90 km |
| 2023 | COWLEY | 9,379 | 72 km |
| 2022 | BUG CREEK | 9,106 | 99 km |
| 2004 | UNNAMED | 8,183 | 72 km |
| 2014 | NORTH 400 | 7,909 | 91 km |
| 2015 | UNNAMED | 7,331 | 97 km |
| 2023 | TIMBER HILL | 6,857 | 97 km |
| 2014 | UNNAMED | 6,609 | 85 km |
| 1996 | UNNAMED | 6,069 | 86 km |
| 2016 | BASS | 5,578 | 90 km |
| 2008 | BYRON | 5,033 | 67 km |
| 2007 | SALT FORK DELTA | 4,784 | 78 km |
| 2001 | UNNAMED | 4,532 | 100 km |
| 2018 | OKSLR-FY18-RX-WILDERNESS | 4,432 | 78 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (0°C) | 0.9 in | Coldest, Driest |
| February | 38°F (3°C) | 1.2 in | |
| March | 47°F (9°C) | 2.5 in | |
| April | 57°F (14°C) | 3.0 in | |
| May | 67°F (19°C) | 4.3 in | Wettest |
| June | 76°F (25°C) | 4.3 in | |
| July | 81°F (27°C) | 3.3 in | |
| August | 81°F (27°C) | 3.3 in | Warmest |
| September | 72°F (22°C) | 3.7 in | |
| October | 60°F (16°C) | 2.5 in | |
| November | 46°F (8°C) | 2.1 in | |
| December | 36°F (2°C) | 1.3 in |
South Haven has a seasonal temperature swing of 48°F / from 33°F in January to 81°F in August. Total annual precipitation is 32.4 inches, with May being the wettest month (4.3") and January the driest (0.9").