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Weather & Climate in Marne, IA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Marne experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 21°F in January while summers reach 75°F in July. The area gets 275 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 37.1 inches. The area receives 27.3 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 1,237 feet.
Temperature
21°F Jan (-6°C)
75°F Jul (24°C)
| Annual Average | 49.3°F |
| 9% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,237 ft (377 m) |
| Area | 0.6 sq mi (1.5 km²) |
| Population Density | 236/sq mi |
| Coordinates | 41.4489°N, 95.1109°W |
| Timezone | America/Chicago |
| County | Shelby County County |
| Nearest Airport | Eppley Airfield (OMA) 42 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 22.8 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 87.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | No Rating |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Dec 17, 2009 | 2 km NW of Auburn, Nebraska | M3.6 | 132 km | 5 km |
| Jul 16, 2004 | 6 km SSE of Riverton, Iowa | M3.5 | 98 km | 5 km |
| Feb 11, 1995 | 6 km E of Clearmont, Missouri | M3.1 | 106 km | 5 km |
| Mar 31, 1993 | 2 km SE of Nemaha, Nebraska | M2.9 | 133 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
624 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 27 fatalities, 501 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 27, 1953 | EF5 | 34 km | 0.1 mi | 1 |
| May 21, 2024 | EF4 | 63 km | 40.7 mi | 5 |
| Mar 5, 2022 | EF4 | 80 km | 70.6 mi | 6 |
| Apr 8, 1999 | EF4 | 69 km | 49.0 mi | 0 |
| Apr 8, 1999 | EF4 | 81 km | 56.0 mi | 0 |
| May 27, 1995 | EF4 | 71 km | 36.0 mi | 0 |
| May 27, 1995 | EF4 | 72 km | 57.0 mi | 0 |
| May 27, 1995 | EF4 | 53 km | 30.0 mi | 0 |
| May 24, 1989 | EF4 | 62 km | 49.0 mi | 0 |
| Jun 26, 1976 | EF4 | 41 km | 5.1 mi | 0 |
| May 6, 1975 | EF4 | 86 km | 8.0 mi | 3 |
| Jun 22, 1964 | EF4 | 88 km | 11.9 mi | 0 |
| Apr 12, 1964 | EF4 | 87 km | 13.1 mi | 1 |
| May 10, 1959 | EF4 | 41 km | 41.1 mi | 0 |
| Jun 9, 1954 | EF4 | 98 km | 9.9 mi | 1 |
| May 21, 2024 | EF3 | 66 km | 33.9 mi | 0 |
| Apr 26, 2024 | EF3 | 60 km | 13.3 mi | 0 |
| Apr 26, 2024 | EF3 | 69 km | 19.1 mi | 0 |
| Apr 26, 2024 | EF3 | 45 km | 40.3 mi | 1 |
| Jul 14, 2021 | EF3 | 94 km | 10.8 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
2 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (4,195 acres, 2005).
| Year | Name | Acres Burned | Distance |
| 2005 | UNNAMED | 4,195 | 25 km |
| 2010 | UNNAMED | 629 | 63 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 0.8 in | Coldest, Driest |
| February | 26°F (-3°C) | 0.9 in | |
| March | 38°F (3°C) | 2.2 in | |
| April | 50°F (10°C) | 3.2 in | |
| May | 62°F (16°C) | 4.1 in | |
| June | 71°F (22°C) | 4.3 in | Wettest |
| July | 75°F (24°C) | 3.8 in | Warmest |
| August | 72°F (22°C) | 3.8 in | |
| September | 64°F (18°C) | 4.2 in | |
| October | 52°F (11°C) | 2.6 in | |
| November | 37°F (3°C) | 1.5 in | |
| December | 24°F (-4°C) | 1.1 in |
Marne has a seasonal temperature swing of 54°F / from 21°F in January to 75°F in July. Total annual precipitation is 32.3 inches, with June being the wettest month (4.3") and January the driest (0.8").