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Weather & Climate in Arthur, ND
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Arthur has a cool climate with an average annual temperature of 43°F (6°C). Winters average 9°F in January while summers reach 71°F in July / a wide seasonal temperature swing of 62°F. The area gets 276 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 22.3 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 993 feet.
Temperature
9°F Jan (-13°C)
71°F Jul (22°C)
| Annual Average | 42.6°F |
| 21% below US avg | |
| January Average | 9°F (-13°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 993 ft (303 m) |
| Area | 1.5 sq mi (3.9 km²) |
| Population Density | 233/sq mi |
| Coordinates | 47.1043°N, 97.2184°W |
| Timezone | America/Chicago |
| County | Traill County County |
| Nearest Airport | Hector International (FAR) 23 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 11.0 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 88.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | Very Low |
| 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: M3.7.
| Oct 20, 1995 | 8 km SSE of New Effington, South Dakota | M3.7 | 149 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
523 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 20 fatalities, 228 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 20, 1957 | EF5 | 25 km | 52.4 mi | 10 |
| Jun 17, 2010 | EF4 | 49 km | 17.0 mi | 0 |
| Aug 26, 2007 | EF4 | 75 km | 5.0 mi | 1 |
| Jul 18, 2004 | EF4 | 95 km | 12.0 mi | 0 |
| Jun 28, 1975 | EF4 | 45 km | 5.4 mi | 0 |
| Jul 2, 1955 | EF4 | 69 km | 9.1 mi | 2 |
| Aug 27, 2016 | EF3 | 44 km | 3.0 mi | 0 |
| Jun 17, 2010 | EF3 | 98 km | 15.0 mi | 1 |
| Aug 26, 2007 | EF3 | 91 km | 6.0 mi | 0 |
| Jul 21, 1987 | EF3 | 86 km | 1.0 mi | 0 |
| Jun 28, 1975 | EF3 | 55 km | 2.3 mi | 0 |
| Jun 16, 1973 | EF3 | 32 km | 0.1 mi | 0 |
| Jun 15, 1973 | EF3 | 26 km | 0.1 mi | 0 |
| Jun 21, 1971 | EF3 | 71 km | 13.7 mi | 0 |
| Aug 23, 1968 | EF3 | 95 km | 8.5 mi | 0 |
| Sep 6, 1958 | EF3 | 64 km | 2.9 mi | 0 |
| Aug 11, 1958 | EF3 | 89 km | 0.1 mi | 0 |
| Jul 16, 1957 | EF3 | 76 km | 0.1 mi | 0 |
| Aug 30, 1956 | EF3 | 39 km | 5.1 mi | 0 |
| Jul 2, 1955 | EF3 | 76 km | 18.7 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: OXCART (12,538 acres, 2021).
| Year | Name | Acres Burned | Distance |
| 2021 | OXCART | 12,538 | 100 km |
| 2021 | BIESTERFELD | 3,481 | 80 km |
| 2003 | ROTHSAY | 3,015 | 91 km |
| 2008 | UNNAMED | 2,420 | 96 km |
| 2024 | 4 SQUARE MILE RX | 2,320 | 100 km |
| 2008 | UNNAMED | 2,092 | 97 km |
| 2009 | DOWNING | 1,506 | 94 km |
| 2020 | GRAVEL PIT | 1,468 | 97 km |
| 2012 | SPRING CREEK | 1,413 | 97 km |
| 2003 | OLERUD | 1,275 | 73 km |
| 2010 | BEJOU WMA | 1,270 | 100 km |
| 2007 | UNNAMED | 1,270 | 94 km |
| 2007 | FLICKERTAIL | 1,239 | 65 km |
| 2011 | NEAL WMA | 1,213 | 69 km |
| 1996 | UNNAMED | 1,153 | 64 km |
| 1985 | ALICE 02 | 1,142 | 44 km |
| 2006 | FULLERS LAKE 06 | 1,109 | 35 km |
| 1998 | UNNAMED | 1,026 | 97 km |
| 1999 | HELLIKSEN | 993 | 87 km |
| 1992 | MEADOWS | 922 | 90 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 9°F (-13°C) | 0.6 in | Coldest |
| February | 13°F (-11°C) | 0.4 in | Driest |
| March | 26°F (-4°C) | 0.9 in | |
| April | 42°F (6°C) | 1.6 in | |
| May | 57°F (14°C) | 2.4 in | |
| June | 66°F (19°C) | 3.2 in | Wettest |
| July | 71°F (22°C) | 2.7 in | Warmest |
| August | 68°F (20°C) | 2.6 in | |
| September | 58°F (15°C) | 2.1 in | |
| October | 46°F (8°C) | 1.7 in | |
| November | 28°F (-3°C) | 0.8 in | |
| December | 13°F (-11°C) | 0.5 in |
Arthur has a seasonal temperature swing of 62°F / from 9°F in January to 71°F in July. Total annual precipitation is 19.5 inches, with June being the wettest month (3.2") and February the driest (0.4").