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Weather & Climate in Clarion, IA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Clarion experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 16°F in January while summers reach 73°F in July. The area gets 260 sunny days per year, above the national average. Annual precipitation totals 34.3 inches. The area receives 31.1 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 1,169 feet.
Temperature
16°F Jan (-9°C)
73°F Jul (23°C)
| Annual Average | 47.0°F |
| 13% below US avg | |
| January Average | 16°F (-9°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 260 days/yr |
Geography
| Elevation | 1,169 ft (356 m) |
| Area | 3.3 sq mi (8.4 km²) |
| Population Density | 826/sq mi |
| Coordinates | 42.7320°N, 93.7298°W |
| Timezone | America/Chicago |
| County | Wright County County |
| Nearest Airport | Fort Dodge Regional (FOD) 27 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 41.5 / 100 |
| Social Vulnerability | 39.8 / 100 |
| Community Resilience | 77.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| 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 | 113 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
651 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 48 fatalities, 1,111 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 25, 2008 | EF5 | 72 km | 41.0 mi | 9 |
| Jun 13, 1976 | EF5 | 90 km | 21.3 mi | 0 |
| May 15, 1968 | EF5 | 50 km | 62.1 mi | 13 |
| Oct 14, 1966 | EF5 | 10 km | 9.7 mi | 6 |
| Apr 9, 2011 | EF4 | 92 km | 3.2 mi | 0 |
| Jun 17, 2010 | EF4 | 94 km | 16.9 mi | 1 |
| May 30, 1989 | EF4 | 68 km | 11.0 mi | 0 |
| May 24, 1989 | EF4 | 56 km | 66.0 mi | 0 |
| Jun 28, 1979 | EF4 | 72 km | 14.9 mi | 3 |
| May 4, 1977 | EF4 | 41 km | 2.0 mi | 0 |
| Jun 8, 1967 | EF4 | 44 km | 2.0 mi | 0 |
| Apr 30, 1967 | EF4 | 92 km | 7.6 mi | 0 |
| Apr 30, 1967 | EF4 | 96 km | 38.7 mi | 5 |
| Apr 30, 1967 | EF4 | 78 km | 13.3 mi | 0 |
| May 5, 1965 | EF4 | 96 km | 41.6 mi | 0 |
| May 5, 1965 | EF4 | 77 km | 9.9 mi | 0 |
| Aug 29, 1964 | EF4 | 46 km | 15.8 mi | 0 |
| Sep 1, 1961 | EF4 | 60 km | 26.6 mi | 0 |
| Jun 9, 1954 | EF4 | 96 km | 9.9 mi | 1 |
| May 10, 1953 | EF4 | 41 km | 26.6 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 16°F (-9°C) | 0.7 in | Coldest, Driest |
| February | 21°F (-6°C) | 0.8 in | |
| March | 33°F (1°C) | 1.9 in | |
| April | 47°F (8°C) | 3.0 in | |
| May | 60°F (15°C) | 3.9 in | |
| June | 70°F (21°C) | 4.7 in | Wettest |
| July | 73°F (23°C) | 4.4 in | Warmest |
| August | 70°F (21°C) | 3.8 in | |
| September | 63°F (17°C) | 3.5 in | |
| October | 51°F (10°C) | 2.4 in | |
| November | 34°F (1°C) | 1.6 in | |
| December | 20°F (-7°C) | 1.1 in |
Clarion has a seasonal temperature swing of 57°F / from 16°F in January to 73°F in July. Total annual precipitation is 31.8 inches, with June being the wettest month (4.7") and January the driest (0.7").