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Weather & Climate in Hamilton, ND
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hamilton has a cool climate with an average annual temperature of 38°F (4°C). Winters average 4°F in January while summers reach 68°F in July / a wide seasonal temperature swing of 64°F. The area gets 269 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 22.1 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 824 feet.
Temperature
4°F Jan (-16°C)
68°F Jul (20°C)
| Annual Average | 38.4°F |
| 29% below US avg | |
| January Average | 4°F (-16°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 269 days/yr |
Geography
| Elevation | 824 ft (251 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 128/sq mi |
| Coordinates | 48.8080°N, 97.4517°W |
| Timezone | America/Chicago |
| County | Pembina County County |
| Nearest Airport | Grand Forks International (GFK) 61 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 20.9 / 100 |
| Social Vulnerability | 58.4 / 100 |
| Community Resilience | 31.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tornado History
248 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 1 fatality, 19 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 6, 1999 | EF4 | 33 km | 8.0 mi | 0 |
| May 19, 2004 | EF3 | 30 km | 1.5 mi | 0 |
| Jun 9, 2017 | EF2 | 56 km | 18.0 mi | 0 |
| Sep 19, 2014 | EF2 | 32 km | 10.0 mi | 0 |
| Jul 2, 2005 | EF2 | 25 km | 4.0 mi | 0 |
| Jul 2, 2005 | EF2 | 31 km | 1.5 mi | 0 |
| Jul 2, 2005 | EF2 | 36 km | 2.0 mi | 0 |
| Jul 2, 2005 | EF2 | 28 km | 1.5 mi | 0 |
| Jun 23, 2005 | EF2 | 41 km | 1.0 mi | 0 |
| May 19, 2004 | EF2 | 24 km | 0.7 mi | 0 |
| Jul 14, 1999 | EF2 | 72 km | 2.0 mi | 0 |
| Jun 6, 1999 | EF2 | 80 km | 3.0 mi | 0 |
| Jun 6, 1999 | EF2 | 72 km | 3.1 mi | 0 |
| Jun 24, 1985 | EF2 | 57 km | 0.5 mi | 0 |
| May 26, 1978 | EF2 | 32 km | 0.5 mi | 0 |
| Jul 13, 1977 | EF2 | 83 km | 1.0 mi | 0 |
| Jun 21, 1971 | EF2 | 99 km | 0.1 mi | 0 |
| Jun 6, 1959 | EF2 | 78 km | 0.1 mi | 0 |
| Jun 30, 1955 | EF2 | 84 km | 4.1 mi | 0 |
| Jun 24, 2022 | EF1 | 55 km | 2.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: JUNEBERRY 3 (29,455 acres, 2011).
| Year | Name | Acres Burned | Distance |
| 2011 | JUNEBERRY 3 | 29,455 | 84 km |
| 1991 | UNNAMED | 22,647 | 97 km |
| 1988 | UNNAMED | 22,262 | 88 km |
| 2007 | UNNAMED | 21,954 | 89 km |
| 1988 | UNNAMED | 17,778 | 66 km |
| 2003 | CARIBOU | 16,184 | 69 km |
| 1988 | UNNAMED | 14,432 | 96 km |
| 1988 | UNNAMED | 11,927 | 66 km |
| 2003 | UNNAMED | 11,544 | 66 km |
| 2018 | NORTH COUNTY ROAD 7 | 9,471 | 75 km |
| 2000 | UNNAMED | 9,194 | 68 km |
| 2003 | CANADA | 7,065 | 96 km |
| 2006 | UNNAMED | 6,964 | 78 km |
| 2000 | UNNAMED | 6,057 | 68 km |
| 1985 | UNNAMED | 5,891 | 65 km |
| 1988 | UNNAMED | 5,013 | 97 km |
| 2008 | UNNAMED | 4,724 | 70 km |
| 2012 | COUNTY 27 FIRE | 4,653 | 73 km |
| 2008 | UNNAMED | 3,624 | 75 km |
| 2000 | UNNAMED | 3,616 | 96 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 4°F (-16°C) | 0.6 in | Coldest |
| February | 10°F (-13°C) | 0.5 in | Driest |
| March | 23°F (-5°C) | 0.8 in | |
| April | 40°F (5°C) | 1.1 in | |
| May | 55°F (13°C) | 2.4 in | |
| June | 65°F (18°C) | 3.5 in | Wettest |
| July | 68°F (20°C) | 2.9 in | Warmest |
| August | 67°F (19°C) | 2.5 in | |
| September | 57°F (14°C) | 1.9 in | |
| October | 43°F (6°C) | 1.5 in | |
| November | 25°F (-4°C) | 0.9 in | |
| December | 9°F (-13°C) | 0.6 in |
Hamilton has a seasonal temperature swing of 64°F / from 4°F in January to 68°F in July. Total annual precipitation is 19.1 inches, with June being the wettest month (3.5") and February the driest (0.5").