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Weather & Climate in Gildford Colony, MT
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gildford Colony has a cool climate with an average annual temperature of 41°F (5°C). Winters average 13°F in January while summers reach 67°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 11.2 inches (drier than the 38-inch national average). The area receives 31.2 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 26 / among the cleanest air in the country. The city sits at an elevation of 2,791 feet.
Temperature
13°F Jan (-10°C)
67°F Jul (20°C)
| Annual Average | 40.7°F |
| 25% below US avg | |
| January Average | 13°F (-10°C) |
| July Average | 67°F (20°C) |
| Sunny Days | 274 days/yr |
Geography
| Elevation | 2,791 ft (851 m) |
| Area | 0.8 sq mi (2.0 km²) |
| Population Density | 53/sq mi |
| Coordinates | 48.8025°N, 110.2843°W |
| Timezone | America/Denver |
| County | Hill County County |
| Nearest Airport | Cut Bank International (CTB) 96 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 26.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 50.5 / 100 |
| Social Vulnerability | 67.1 / 100 |
| Community Resilience | 38.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
6 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Aug 16, 1994 | 27 km W of Chester, Montana | M3.9 | 85 km | 5 km |
| Jun 5, 1991 | 18 km SW of Shelby, Montana | M3.6 | 135 km | 5 km |
| Jan 1, 1993 | 20 km WSW of Sweet Grass, Montana | M3.4 | 140 km | 5 km |
| Apr 2, 2014 | 13 km NNW of Conrad, Montana | M3.1 | 141 km | 7 km |
| Dec 5, 1991 | 15 km WSW of Hays, Montana | M3.0 | 140 km | 10 km |
| Feb 25, 2013 | 28 km WSW of Chester, Montana | M2.5 | 88 km | 18 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
17 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3.
| Date | Rating | Distance | Path | Fatalities |
| Jul 5, 1988 | EF3 | 95 km | 12.0 mi | 0 |
| Jul 8, 2002 | EF1 | 81 km | 2.0 mi | 0 |
| Jun 16, 1995 | EF1 | 19 km | 0.1 mi | 0 |
| May 25, 1980 | EF1 | 32 km | 0.1 mi | 0 |
| May 25, 1980 | EF1 | 60 km | 0.1 mi | 0 |
| May 24, 1977 | EF1 | 44 km | 0.1 mi | 0 |
| Jul 1, 1962 | EF1 | 49 km | 3.8 mi | 0 |
| Jun 13, 2014 | EF0 | 88 km | 0.3 mi | 0 |
| Jun 5, 2012 | EF0 | 92 km | 1.1 mi | 0 |
| Jun 18, 1999 | EF0 | 81 km | 0.5 mi | 0 |
| Jun 2, 1999 | EF0 | 84 km | 0.1 mi | 0 |
| Jun 27, 1996 | EF0 | 56 km | 0.2 mi | 0 |
| Jun 26, 1994 | EF0 | 57 km | 0.1 mi | 0 |
| Jun 26, 1994 | EF0 | 59 km | 0.1 mi | 0 |
| Aug 16, 1993 | EF0 | 31 km | 0.1 mi | 0 |
| Aug 3, 1992 | EF0 | 36 km | 0.1 mi | 0 |
| Jun 6, 1986 | EF0 | 48 km | 0.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
11 wildfires (100+ acres) recorded within 100 km. Largest: BLAINE C (138,192 acres, 1991).
| Year | Name | Acres Burned | Distance |
| 1991 | BLAINE C | 138,192 | 92 km |
| 2017 | EAST FORK | 21,165 | 82 km |
| 1984 | CENTENNIAL | 11,775 | 74 km |
| 2022 | EAGLE CREEK | 6,359 | 88 km |
| 1988 | LOSTCANYON | 4,532 | 76 km |
| 2008 | CHOUTEAU CO COMPLEX | 4,365 | 95 km |
| 2014 | MIDDLE BLACK | 3,854 | 69 km |
| 2012 | OUTHOUSE | 3,179 | 60 km |
| 2012 | BIG STRETCH | 1,524 | 57 km |
| 1999 | SHIRLEY | 1,290 | 63 km |
| 2023 | HWY 236 | 1,049 | 90 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 13°F (-10°C) | 0.5 in | Coldest |
| February | 21°F (-6°C) | 0.3 in | Driest |
| March | 31°F (-1°C) | 0.6 in | |
| April | 43°F (6°C) | 0.8 in | |
| May | 54°F (12°C) | 1.8 in | |
| June | 62°F (17°C) | 2.1 in | Wettest |
| July | 67°F (20°C) | 1.3 in | Warmest |
| August | 67°F (19°C) | 1.2 in | |
| September | 56°F (13°C) | 1.1 in | |
| October | 45°F (7°C) | 0.4 in | |
| November | 28°F (-2°C) | 0.4 in | |
| December | 18°F (-8°C) | 0.5 in |
Gildford Colony has a seasonal temperature swing of 54°F / from 13°F in January to 67°F in July. Total annual precipitation is 11.0 inches, with June being the wettest month (2.1") and February the driest (0.3").