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Weather & Climate in Tioga, ND
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tioga has a cool climate with an average annual temperature of 42°F (6°C). Winters average 11°F in January while summers reach 70°F in July. The area gets 274 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 15.4 inches (drier than the 38-inch national average). The area receives 43.7 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 2,241 feet.
Temperature
11°F Jan (-12°C)
70°F Jul (21°C)
| Annual Average | 42.0°F |
| 22% below US avg | |
| January Average | 11°F (-12°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 274 days/yr |
Geography
| Elevation | 2,241 ft (683 m) |
| Area | 3.4 sq mi (8.8 km²) |
| Population Density | 451/sq mi |
| Coordinates | 48.3946°N, 102.9435°W |
| Timezone | America/Chicago |
| County | Mountrail County County |
| Nearest Airport | Williston Basin International (XWA) 38 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 21.4 / 100 |
| Social Vulnerability | 40.4 / 100 |
| Community Resilience | 19.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
5 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Feb 25, 2014 | 23 km N of Brockton, Montana | M3.8 | 143 km | 5 km |
| Jul 29, 1998 | 16 km WNW of Froid, Montana | M3.8 | 130 km | 5 km |
| Nov 11, 1998 | 10 km SW of Grenora, North Dakota | M3.5 | 82 km | 5 km |
| Sep 28, 2012 | 22 km ESE of Williston, North Dakota | M3.3 | 49 km | 5 km |
| May 6, 2014 | 12 km NNW of Knife River, Montana | M2.6 | 146 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
132 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 3 fatalities, 43 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 5, 1955 | EF4 | 46 km | 28.0 mi | 0 |
| Aug 12, 2010 | EF3 | 73 km | 5.0 mi | 1 |
| Jul 11, 1974 | EF3 | 10 km | 0.1 mi | 0 |
| Jun 14, 1950 | EF3 | 84 km | 23.7 mi | 0 |
| Jul 9, 2018 | EF2 | 73 km | 0.5 mi | 1 |
| May 26, 2014 | EF2 | 80 km | 0.5 mi | 0 |
| Jul 23, 1997 | EF2 | 93 km | 0.2 mi | 1 |
| Jun 27, 1982 | EF2 | 72 km | 0.4 mi | 0 |
| Jun 5, 1976 | EF2 | 2 km | 2.0 mi | 0 |
| Aug 5, 1969 | EF2 | 82 km | 0.5 mi | 0 |
| Jun 14, 1962 | EF2 | 34 km | 0.1 mi | 0 |
| Jun 30, 1958 | EF2 | 76 km | 0.1 mi | 0 |
| Jun 13, 1953 | EF2 | 41 km | 0.1 mi | 0 |
| Jul 1, 1952 | EF2 | 78 km | 9.7 mi | 0 |
| Jul 6, 2024 | EF1 | 46 km | 1.2 mi | 0 |
| Jul 8, 2009 | EF1 | 71 km | 9.7 mi | 0 |
| Jun 11, 2007 | EF1 | 60 km | 3.0 mi | 0 |
| Jul 18, 2003 | EF1 | 65 km | 2.0 mi | 0 |
| Jul 19, 2001 | EF1 | 51 km | 10.0 mi | 0 |
| Jul 21, 1999 | EF1 | 99 km | 1.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: WILLIAMS CO WILDLAND FIRE (67,150 acres, 2024).
| Year | Name | Acres Burned | Distance |
| 2024 | WILLIAMS CO WILDLAND FIRE | 67,150 | 24 km |
| 1988 | BAINVILLE | 12,790 | 91 km |
| 2021 | LITTLE SWALLOW | 9,886 | 97 km |
| 1988 | MURPHY | 8,918 | 87 km |
| 1999 | ROUGH CRK | 7,887 | 84 km |
| 2015 | LOSTWOOD WILDERNESS 2015 | 6,837 | 47 km |
| 2012 | LITTLE SWALLOW | 6,304 | 95 km |
| 2005 | H RX 05 WILD | 5,644 | 46 km |
| 1986 | WILDERNESS | 5,615 | 46 km |
| 1997 | WILDERNESS | 5,556 | 46 km |
| 2005 | CLEAR LAKE | 5,040 | 49 km |
| 2021 | HORSE PASTURE | 4,431 | 89 km |
| 2015 | RIDGE ROAD | 3,390 | 37 km |
| 2024 | CHARLSON | 3,055 | 44 km |
| 2005 | LOSTWOOD NON-NFP | 2,769 | 42 km |
| 2021 | 13 MILE FIRE | 2,585 | 55 km |
| 1988 | DANKS | 2,425 | 81 km |
| 2007 | MUSKRAT LAKE | 2,344 | 66 km |
| 2006 | HB 35 | 2,164 | 85 km |
| 2023 | NDLWR-HFR-FY23-RX-ASPEN | 2,074 | 46 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 11°F (-12°C) | 0.4 in | Coldest |
| February | 14°F (-10°C) | 0.4 in | Driest |
| March | 26°F (-4°C) | 0.5 in | |
| April | 41°F (5°C) | 1.3 in | |
| May | 54°F (12°C) | 2.2 in | |
| June | 63°F (17°C) | 2.6 in | Wettest |
| July | 70°F (21°C) | 2.2 in | Warmest |
| August | 67°F (19°C) | 1.8 in | |
| September | 56°F (13°C) | 1.7 in | |
| October | 43°F (6°C) | 0.8 in | |
| November | 25°F (-4°C) | 0.4 in | |
| December | 12°F (-11°C) | 0.4 in |
Tioga has a seasonal temperature swing of 59°F / from 11°F in January to 70°F in July. Total annual precipitation is 14.6 inches, with June being the wettest month (2.6") and February the driest (0.4").