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Weather & Climate in Herndon, KS
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Herndon experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 29°F in January while summers reach 77°F in July. The area gets 326 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 21.8 inches (drier than the 38-inch national average). The area receives 25.2 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 39. The city sits at an elevation of 2,672 feet.
Temperature
29°F Jan (-2°C)
77°F Jul (25°C)
| Annual Average | 52.1°F |
| 4% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 326 days/yr |
Geography
| Elevation | 2,672 ft (814 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 328/sq mi |
| Coordinates | 39.9092°N, 100.7865°W |
| Timezone | America/Chicago |
| County | Decatur County County |
| Nearest Airport | Mc Cook Ben Nelson Regional (MCK) 23 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 11.3 / 100 |
| Social Vulnerability | 26.0 / 100 |
| Community Resilience | 35.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Very Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
51 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Jun 22, 2019 | 2 km SSE of Zurich, Kansas | M4.6 | 140 km | 3 km |
| May 31, 2019 | 2 km SSE of Zurich, Kansas | M3.5 | 139 km | 5 km |
| May 30, 1991 | 5 km SE of Zurich, Kansas | M3.5 | 143 km | 5 km |
| Jun 1, 2025 | 9 km S of Hill City, Kansas | M3.5 | 108 km | 11 km |
| Jun 25, 2025 | 10 km NW of Woodston, Kansas | M3.4 | 144 km | 13 km |
| Sep 16, 2016 | 8 km N of Ellis, Kansas | M3.3 | 144 km | 5 km |
| Sep 14, 2016 | 10 km N of Ellis, Kansas | M3.3 | 143 km | 5 km |
| Nov 13, 2001 | Kansas | M3.3 | 50 km | 5 km |
| Sep 19, 2016 | 8 km N of Ellis, Kansas | M3.2 | 144 km | 3 km |
| Jul 5, 2019 | Kansas | M3.1 | 136 km | 4 km |
| Aug 31, 2016 | 9 km N of Ellis, Kansas | M3.1 | 144 km | 5 km |
| Sep 16, 2016 | 8 km NNW of Ellis, Kansas | M3.1 | 143 km | 9 km |
| May 11, 2019 | 5 km NNW of Zurich, Kansas | M3.0 | 133 km | 5 km |
| Jul 15, 2025 | 2 km SW of Zurich, Kansas | M3.0 | 137 km | 12 km |
| Apr 17, 2003 | 4 km WNW of Zurich, Kansas | M3.0 | 133 km | 5 km |
| Apr 16, 2007 | 11 km WSW of Maywood, Nebraska | M3.0 | 78 km | 5 km |
| Feb 14, 2003 | 7 km S of Holbrook, Nebraska | M2.9 | 75 km | 5 km |
| May 31, 2025 | 3 km SSE of Hill City, Kansas | M2.9 | 105 km | 5 km |
| Sep 8, 2019 | 2 km E of Zurich, Kansas | M2.9 | 140 km | 5 km |
| Jun 29, 2021 | Kansas | M2.9 | 144 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
515 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 21 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 15, 1990 | EF4 | 46 km | 28.0 mi | 0 |
| Oct 29, 1956 | EF4 | 95 km | 147.7 mi | 0 |
| May 17, 2019 | EF3 | 90 km | 2.1 mi | 0 |
| Jun 20, 2011 | EF3 | 88 km | 3.9 mi | 0 |
| Jun 20, 2011 | EF3 | 91 km | 11.9 mi | 0 |
| Jun 20, 2011 | EF3 | 93 km | 8.4 mi | 0 |
| Apr 20, 2007 | EF3 | 92 km | 15.7 mi | 0 |
| Jun 3, 1999 | EF3 | 85 km | 10.0 mi | 0 |
| Jun 18, 1975 | EF3 | 80 km | 21.9 mi | 0 |
| Jun 18, 1975 | EF3 | 62 km | 15.0 mi | 0 |
| Oct 17, 1971 | EF3 | 38 km | 3.8 mi | 0 |
| Oct 17, 1971 | EF3 | 96 km | 0.1 mi | 0 |
| Jun 14, 1970 | EF3 | 53 km | 17.2 mi | 0 |
| May 4, 1965 | EF3 | 44 km | 5.2 mi | 0 |
| May 4, 1960 | EF3 | 88 km | 7.1 mi | 0 |
| Oct 29, 1956 | EF3 | 61 km | 65.5 mi | 0 |
| Apr 20, 1954 | EF3 | 93 km | 5.9 mi | 0 |
| Jun 5, 1953 | EF3 | 81 km | 9.8 mi | 0 |
| May 20, 1951 | EF3 | 53 km | 0.1 mi | 0 |
| May 14, 1951 | EF3 | 49 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
10 wildfires (100+ acres) recorded within 100 km. Largest: ROAD 702 (45,166 acres, 2022).
| Year | Name | Acres Burned | Distance |
| 2022 | ROAD 702 | 45,166 | 58 km |
| 2022 | ROAD 739 | 32,997 | 94 km |
| 2002 | UNNAMED | 11,012 | 90 km |
| 1997 | UNNAMED | 4,777 | 99 km |
| 2019 | CHERRY CREEK | 4,273 | 83 km |
| 2007 | WANO | 1,556 | 85 km |
| 2002 | UNNAMED | 1,488 | 16 km |
| 2002 | UNNAMED | 1,476 | 62 km |
| 1990 | UNNAMED | 1,285 | 73 km |
| 2020 | PRAIRIE DOG | 1,257 | 72 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 0.5 in | Coldest, Driest |
| February | 32°F (-0°C) | 0.6 in | |
| March | 40°F (4°C) | 1.6 in | |
| April | 50°F (10°C) | 2.0 in | |
| May | 60°F (16°C) | 3.5 in | Wettest |
| June | 71°F (22°C) | 3.4 in | |
| July | 77°F (25°C) | 3.4 in | Warmest |
| August | 75°F (24°C) | 2.4 in | |
| September | 65°F (19°C) | 1.7 in | |
| October | 53°F (12°C) | 1.2 in | |
| November | 38°F (3°C) | 0.9 in | |
| December | 30°F (-1°C) | 0.5 in |
Herndon has a seasonal temperature swing of 49°F / from 29°F in January to 77°F in July. Total annual precipitation is 21.5 inches, with May being the wettest month (3.5") and January the driest (0.5").