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Weather & Climate in Glidden, IA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Glidden experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 19°F in January while summers reach 74°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 33.7 inches. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 1,227 feet.
Temperature
19°F Jan (-7°C)
74°F Jul (23°C)
| Annual Average | 48.3°F |
| 11% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 1,227 ft (374 m) |
| Area | 1.1 sq mi (2.9 km²) |
| Population Density | 1,039/sq mi |
| Coordinates | 42.0578°N, 94.7266°W |
| Timezone | America/Chicago |
| County | Carroll County County |
| Nearest Airport | Fort Dodge Regional (FOD) 44 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 57.6 / 100 |
| Social Vulnerability | 23.0 / 100 |
| Community Resilience | 94.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively High |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively High |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.7.
| Jun 30, 2021 | 4 km E of Rembrandt, Iowa | M2.7 | 91 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
642 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 10 fatalities, 305 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 13, 1976 | EF5 | 72 km | 21.3 mi | 0 |
| Jun 27, 1953 | EF5 | 68 km | 0.1 mi | 1 |
| Apr 9, 2011 | EF4 | 75 km | 3.2 mi | 0 |
| May 27, 1995 | EF4 | 32 km | 30.0 mi | 0 |
| May 27, 1995 | EF4 | 14 km | 36.0 mi | 0 |
| May 24, 1989 | EF4 | 77 km | 66.0 mi | 0 |
| Sep 28, 1986 | EF4 | 99 km | 20.0 mi | 0 |
| Jun 28, 1979 | EF4 | 65 km | 14.9 mi | 3 |
| May 4, 1977 | EF4 | 71 km | 2.0 mi | 0 |
| Jun 26, 1976 | EF4 | 99 km | 5.1 mi | 0 |
| Jun 18, 1974 | EF4 | 99 km | 15.3 mi | 2 |
| Jun 8, 1967 | EF4 | 68 km | 2.0 mi | 0 |
| May 5, 1965 | EF4 | 34 km | 9.9 mi | 0 |
| May 10, 1959 | EF4 | 63 km | 41.1 mi | 0 |
| Jun 9, 1954 | EF4 | 25 km | 9.9 mi | 1 |
| Jul 14, 2021 | EF3 | 23 km | 10.8 mi | 0 |
| Apr 9, 2011 | EF3 | 92 km | 3.4 mi | 0 |
| Apr 9, 2011 | EF3 | 57 km | 10.1 mi | 0 |
| Apr 9, 2011 | EF3 | 61 km | 29.4 mi | 0 |
| Nov 12, 2005 | EF3 | 55 km | 17.6 mi | 1 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: UNNAMED (4,195 acres, 2005).
| Year | Name | Acres Burned | Distance |
| 2005 | UNNAMED | 4,195 | 99 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 0.8 in | Coldest, Driest |
| February | 24°F (-4°C) | 0.8 in | |
| March | 36°F (2°C) | 2.2 in | |
| April | 49°F (9°C) | 3.3 in | |
| May | 61°F (16°C) | 4.3 in | |
| June | 70°F (21°C) | 4.7 in | Wettest |
| July | 74°F (23°C) | 4.1 in | Warmest |
| August | 72°F (22°C) | 3.9 in | |
| September | 64°F (18°C) | 3.5 in | |
| October | 51°F (11°C) | 2.5 in | |
| November | 36°F (2°C) | 1.5 in | |
| December | 23°F (-5°C) | 1.0 in |
Glidden has a seasonal temperature swing of 55°F / from 19°F in January to 74°F in July. Total annual precipitation is 32.6 inches, with June being the wettest month (4.7") and January the driest (0.8").