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Weather & Climate in Marmarth, ND
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Marmarth has a cool climate with an average annual temperature of 44°F (6°C). Winters average 18°F in January while summers reach 71°F in July. The area gets 273 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 14.6 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 2,831 feet.
Temperature
18°F Jan (-8°C)
71°F Jul (22°C)
| Annual Average | 43.5°F |
| 19% below US avg | |
| January Average | 18°F (-8°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 273 days/yr |
Geography
| Elevation | 2,831 ft (863 m) |
| Area | 2.5 sq mi (6.6 km²) |
| Population Density | 34/sq mi |
| Coordinates | 46.3012°N, 103.9346°W |
| Timezone | America/Chicago |
| County | Bowman County County |
| Nearest Airport | Dickinson/Theodore Roosevelt Regional (DIK) 64 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 2.1 / 100 |
| Social Vulnerability | 12.2 / 100 |
| Community Resilience | 53.2 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Very 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: M4.2.
| Sep 25, 2009 | 15 km E of Alzada, Montana | M4.2 | 144 km | 5 km |
| Nov 3, 1999 | 8 km NNW of Broadus, Montana | M3.5 | 148 km | 10 km |
| May 6, 2014 | 12 km NNW of Knife River, Montana | M2.6 | 144 km | 8 km |
| Jul 29, 2013 | 18 km SE of Ekalaka, Montana | M2.6 | 68 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
101 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 2 fatalities, 14 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 29, 1975 | EF4 | 78 km | 68.0 mi | 1 |
| Jun 28, 2018 | EF3 | 100 km | 3.6 mi | 0 |
| Jun 11, 2016 | EF3 | 24 km | 3.0 mi | 0 |
| Jun 17, 2014 | EF3 | 94 km | 10.0 mi | 0 |
| May 24, 1953 | EF3 | 78 km | 9.3 mi | 0 |
| Jul 19, 1952 | EF3 | 28 km | 55.5 mi | 0 |
| Jul 19, 1952 | EF3 | 78 km | 16.4 mi | 1 |
| Jun 10, 1952 | EF3 | 86 km | 8.8 mi | 0 |
| Jun 28, 2018 | EF2 | 97 km | 2.3 mi | 0 |
| Jun 28, 2018 | EF2 | 84 km | 7.1 mi | 0 |
| Jul 25, 2001 | EF2 | 38 km | 2.0 mi | 0 |
| Jul 25, 2001 | EF2 | 52 km | 5.0 mi | 0 |
| Jun 20, 1999 | EF2 | 32 km | 5.0 mi | 0 |
| Jun 14, 1977 | EF2 | 7 km | 8.2 mi | 0 |
| Jun 4, 1976 | EF2 | 89 km | 5.7 mi | 0 |
| Jul 11, 1965 | EF2 | 74 km | 5.4 mi | 0 |
| Jul 18, 1962 | EF2 | 87 km | 40.6 mi | 0 |
| Apr 22, 1957 | EF2 | 74 km | 0.5 mi | 0 |
| Jun 10, 1952 | EF2 | 88 km | 10.1 mi | 0 |
| Jul 19, 2019 | EF1 | 98 km | 0.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: KRAFT SPRINGS (66,292 acres, 2002).
| Year | Name | Acres Burned | Distance |
| 2002 | KRAFT SPRINGS | 66,292 | 72 km |
| 1988 | BREWER | 48,282 | 76 km |
| 1990 | KNOWLTON C | 13,226 | 96 km |
| 1998 | BRADSHAW | 10,591 | 95 km |
| 1999 | JOHNSTONE | 8,817 | 64 km |
| 1991 | MEDICINE ROCK | 8,565 | 55 km |
| 2024 | TRAVIN | 7,917 | 75 km |
| 2018 | 18 DONUT HOLE | 7,838 | 82 km |
| 2008 | KNOWLTON COMPLEX (DRGA) | 7,218 | 89 km |
| 2000 | CAMP CROOK COMPLEX | 6,927 | 85 km |
| 2012 | DUGAN | 6,688 | 72 km |
| 1999 | MILL IRON | 6,494 | 58 km |
| 2000 | TOOKE | 6,128 | 80 km |
| 1996 | SPRING CREEK | 4,825 | 90 km |
| 2021 | ROOSEVELT CREEK | 4,608 | 97 km |
| 2004 | DEEP CREEK | 4,180 | 39 km |
| 1991 | HOCKETT BASIN | 3,536 | 100 km |
| 2012 | DEEP CREEK 2 | 3,500 | 15 km |
| 2020 | BOXELDER | 3,446 | 75 km |
| 1999 | CEDARCRKN | 2,964 | 74 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 18°F (-8°C) | 0.4 in | Coldest |
| February | 24°F (-4°C) | 0.3 in | Driest |
| March | 33°F (1°C) | 0.6 in | |
| April | 45°F (7°C) | 1.4 in | |
| May | 57°F (14°C) | 2.4 in | |
| June | 67°F (19°C) | 3.3 in | Wettest |
| July | 71°F (22°C) | 1.9 in | |
| August | 72°F (22°C) | 1.3 in | Warmest |
| September | 59°F (15°C) | 1.3 in | |
| October | 47°F (8°C) | 0.9 in | |
| November | 31°F (-0°C) | 0.4 in | |
| December | 20°F (-6°C) | 0.4 in |
Marmarth has a seasonal temperature swing of 54°F / from 18°F in January to 72°F in August. Total annual precipitation is 14.6 inches, with June being the wettest month (3.3") and February the driest (0.3").