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Weather & Climate in Hamilton, KS
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hamilton experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 31°F in January while summers reach 79°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 40.0 inches. The area receives 8.6 inches of snow annually. Air quality is rated Good with a median AQI of 39. The city sits at an elevation of 1,096 feet.
Temperature
31°F Jan (-1°C)
79°F Jul (26°C)
| Annual Average | 55.3°F |
| 2% above US avg | |
| January Average | 31°F (-1°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | 1,096 ft (334 m) |
| Area | 0.3 sq mi (0.8 km²) |
| Population Density | 661/sq mi |
| Coordinates | 37.9806°N, 96.1638°W |
| Timezone | America/Chicago |
| County | Greenwood County County |
| Nearest Airport | Topeka Regional (FOE) 72 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 24.5 / 100 |
| Social Vulnerability | 35.5 / 100 |
| Community Resilience | 42.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | No Rating |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
116 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.
| Jan 16, 2019 | 4 km ENE of South Haven, Kansas | M4.0 | 146 km | 5 km |
| Sep 16, 2019 | 15 km NW of Elmdale, Kansas | M3.8 | 76 km | 5 km |
| Mar 12, 2020 | 6 km NNE of Hope, Kansas | M3.5 | 114 km | 5 km |
| Mar 14, 2021 | 3 km NE of Eastborough, Kansas | M3.5 | 99 km | 5 km |
| Oct 10, 2024 | 6 km WSW of Woodbine, Kansas | M3.5 | 116 km | 10 km |
| Mar 20, 2022 | 9 km WNW of Viola, Kansas | M3.5 | 148 km | 2 km |
| May 15, 2025 | 5 km NNW of Herington, Kansas | M3.5 | 108 km | 5 km |
| Mar 14, 2021 | 5 km NE of Eastborough, Kansas | M3.5 | 98 km | 5 km |
| Aug 31, 2017 | 7 km S of Cheney, Kansas | M3.4 | 149 km | 5 km |
| Aug 2, 2025 | 6 km ENE of Assaria, Kansas | M3.4 | 145 km | 5 km |
| Mar 14, 2021 | 3 km NE of Eastborough, Kansas | M3.4 | 99 km | 5 km |
| Aug 3, 2025 | 7 km ENE of Assaria, Kansas | M3.3 | 143 km | 5 km |
| Jan 25, 2019 | 3 km ENE of South Haven, Kansas | M3.3 | 147 km | 4 km |
| Feb 13, 2017 | 2 km ENE of South Haven, Kansas | M3.3 | 148 km | 8 km |
| Mar 24, 2020 | 8 km NNE of Hope, Kansas | M3.3 | 116 km | 5 km |
| Aug 4, 2025 | 5 km E of Assaria, Kansas | M3.3 | 143 km | 10 km |
| Mar 15, 2021 | 4 km NE of Eastborough, Kansas | M3.2 | 98 km | 5 km |
| Sep 8, 2014 | 7 km NW of Mayfield, Kansas | M3.2 | 148 km | 5 km |
| Jul 30, 2019 | 5 km NNE of Kipp, Kansas | M3.2 | 145 km | 5 km |
| May 8, 2021 | 4 km ENE of Hope, Kansas | M3.2 | 111 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
521 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 87 fatalities, 513 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 20, 1957 | EF5 | 78 km | 69.4 mi | 44 |
| Feb 28, 2007 | EF4 | 95 km | 28.0 mi | 0 |
| Jun 8, 1974 | EF4 | 49 km | 37.5 mi | 6 |
| Apr 12, 1964 | EF4 | 77 km | 19.4 mi | 3 |
| Jun 10, 1958 | EF4 | 77 km | 9.0 mi | 15 |
| Apr 29, 2022 | EF3 | 99 km | 12.7 mi | 0 |
| Jun 26, 2018 | EF3 | 23 km | 9.2 mi | 0 |
| Jul 7, 2016 | EF3 | 25 km | 4.2 mi | 0 |
| May 21, 2011 | EF3 | 60 km | 10.1 mi | 1 |
| Apr 21, 2005 | EF3 | 95 km | 5.0 mi | 0 |
| May 8, 2003 | EF3 | 76 km | 25.0 mi | 0 |
| May 8, 2003 | EF3 | 28 km | 23.0 mi | 0 |
| Apr 26, 1991 | EF3 | 27 km | 15.0 mi | 0 |
| Apr 26, 1991 | EF3 | 61 km | 14.0 mi | 1 |
| Mar 26, 1991 | EF3 | 96 km | 15.0 mi | 0 |
| Aug 17, 1985 | EF3 | 93 km | 2.0 mi | 0 |
| Oct 15, 1980 | EF3 | 89 km | 13.3 mi | 0 |
| Jun 6, 1971 | EF3 | 99 km | 2.0 mi | 0 |
| Apr 16, 1960 | EF3 | 95 km | 9.2 mi | 0 |
| Nov 17, 1958 | EF3 | 80 km | 8.5 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 | 29 km |
| 2014 | UNNAMED | 60,976 | 39 km |
| 1998 | ANNUAL BUR | 60,039 | 64 km |
| 2002 | UNNAMED | 26,655 | 45 km |
| 2014 | UNNAMED | 20,760 | 58 km |
| 2000 | WEST SIDE MVD | 18,701 | 68 km |
| 2023 | WAGSTAFF | 16,111 | 97 km |
| 1988 | UNNAMED | 15,512 | 89 km |
| 2016 | UNNAMED | 15,100 | 51 km |
| 1996 | UNNAMED | 14,832 | 45 km |
| 1996 | UNNAMED | 14,661 | 8 km |
| 2018 | 18-85 | 14,632 | 32 km |
| 2016 | FERGUSON RANCH | 13,625 | 63 km |
| 1996 | UNNAMED | 13,265 | 59 km |
| 1991 | UNNAMED | 13,063 | 31 km |
| 1989 | UNNAMED | 12,241 | 34 km |
| 1991 | UNNAMED | 12,063 | 43 km |
| 2002 | WEST UNIT | 11,187 | 28 km |
| 1992 | UNNAMED | 11,123 | 30 km |
| 1996 | UNNAMED | 10,911 | 27 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 1.0 in | Coldest, Driest |
| February | 35°F (2°C) | 1.1 in | |
| March | 46°F (8°C) | 2.7 in | |
| April | 56°F (13°C) | 3.0 in | |
| May | 65°F (18°C) | 4.7 in | |
| June | 74°F (23°C) | 5.4 in | Wettest |
| July | 79°F (26°C) | 3.6 in | Warmest |
| August | 79°F (26°C) | 4.1 in | |
| September | 70°F (21°C) | 4.2 in | |
| October | 59°F (15°C) | 3.2 in | |
| November | 45°F (7°C) | 2.3 in | |
| December | 35°F (2°C) | 1.4 in |
Hamilton has a seasonal temperature swing of 48°F / from 31°F in January to 79°F in July. Total annual precipitation is 36.8 inches, with June being the wettest month (5.4") and January the driest (1.0").