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Weather & Climate in Moccasin, MT

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Moccasin has a cool climate with an average annual temperature of 44°F (6°C). Winters average 25°F in January while summers reach 66°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 15.1 inches (drier than the 38-inch national average). The area receives 44.5 inches of snow annually, making winter weather a significant factor for residents. 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 4,178 feet.

Temperature

25°F Jan (-4°C) 66°F Jul (19°C)
Annual Average43.5°F
19% below US avg
January Average25°F (-4°C)
July Average66°F (19°C)
Sunny Days273 days/yr

Geography

Elevation4,178 ft (1,273 m)
Area0.3 sq mi (0.8 km²)
Population Density72/sq mi
Coordinates47.0527°N, 109.9086°W
TimezoneAmerica/Denver
CountyFergus County County
Nearest AirportGreat Falls International (GTF)
75 miles away

Precipitation & Snow

Annual Rainfall 15.1"
60% below US avg
Snowfall 44.5"
Wettest Month (May) 2.91"
Driest Month (Feb) 0.47"

Air Quality

AQI Median26.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score45.1 / 100
Social Vulnerability45.2 / 100
Community Resilience70.3 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Very Low
Wildfire Relatively 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 Relatively Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

41 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.

Apr 8, 2000 8 km ENE of Townsend, Montana M4.1 139 km 5 km
Nov 10, 2000 14 km NE of Townsend, Montana M4.0 133 km 2 km
Feb 6, 1999 24 km E of Townsend, Montana M3.9 125 km 1 km
Jan 9, 2003 23 km E of Wilsall, Montana M3.7 120 km 11 km
May 24, 2000 9 km ENE of Townsend, Montana M3.7 138 km 3 km
Jan 2, 1990 6 km NNE of Toston, Montana M3.7 146 km 1 km
Jul 23, 2014 11 km NNE of Toston, Montana M3.6 142 km 10 km
Feb 11, 1999 23 km E of Townsend, Montana M3.3 127 km 3 km
Jun 6, 2000 7 km E of Townsend, Montana M3.3 141 km 2 km
Apr 1, 2000 9 km ENE of Townsend, Montana M3.3 139 km 7 km
Apr 10, 2000 8 km E of Townsend, Montana M3.2 140 km 4 km
Apr 9, 2000 9 km ENE of Townsend, Montana M3.2 138 km 4 km
Jun 8, 2000 11 km ENE of Townsend, Montana M3.1 136 km 2 km
Jul 15, 2006 Western Montana M3.0 116 km 10 km
Jul 26, 2014 11 km NNE of Toston, Montana M3.0 143 km 9 km
Dec 5, 1991 15 km WSW of Hays, Montana M3.0 126 km 10 km
May 23, 2000 8 km ENE of Townsend, Montana M3.0 140 km 6 km
Apr 8, 2009 8 km ENE of Toston, Montana M3.0 145 km 2 km
Sep 20, 2002 16 km ENE of Townsend, Montana M2.9 131 km 0 km
Sep 15, 2012 23 km SSW of White Sulphur Springs, Montana M2.9 116 km 8 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

61 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 6 injuries.

Date Rating Distance Path Fatalities
Jul 5, 1988 EF3 91 km 10.0 mi 0
Jul 5, 1988 EF3 74 km 3.0 mi 0
Jul 8, 2002 EF2 48 km 10.0 mi 0
Aug 14, 1999 EF2 37 km 5.0 mi 0
Jun 25, 1996 EF2 40 km 2.0 mi 0
Apr 24, 1994 EF2 29 km 1.0 mi 0
Apr 24, 1994 EF2 29 km 1.5 mi 0
May 28, 1981 EF2 73 km 1.5 mi 0
Jun 8, 1976 EF2 36 km 0.1 mi 0
Jul 10, 1965 EF2 47 km 2.0 mi 0
Jul 20, 1964 EF2 73 km 2.0 mi 0
Jun 5, 2012 EF1 92 km 2.8 mi 0
Jun 16, 2007 EF1 52 km 5.3 mi 0
Apr 22, 2003 EF1 27 km 2.0 mi 0
Aug 23, 1998 EF1 18 km 3.5 mi 0
Jun 19, 1998 EF1 82 km 1.0 mi 0
May 10, 1977 EF1 9 km 0.1 mi 0
May 10, 1977 EF1 15 km 0.1 mi 0
Jun 3, 1971 EF1 45 km 2.3 mi 0
Jun 29, 1961 EF1 98 km 0.1 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: TURKEY (25,658 acres, 1990).

Year Name Acres Burned Distance
1990 TURKEY 25,658 26 km
2021 TAYLOR 21,704 53 km
2021 SOUTH MOCCASIN 12,727 33 km
2009 MEISSNER 12,318 51 km
1985 SANDPOINT 10,439 53 km
2021 BALSINGER 8,317 75 km
2020 LOUSE CREEK 5,237 11 km
1988 TWO DOT 5,097 84 km
1991 BURNETTEPK 4,644 45 km
2020 YOGO 4,429 48 km
2017 BLACKTAIL 4,029 96 km
1996 COYOTE 3,320 70 km
2020 EAGLE ROCK ROAD 3,129 57 km
2012 ANDERSON 2,917 87 km
2020 LODE ROAD 2,736 55 km
2001 TWIN COULE 2,688 70 km
2007 CHOUTEAU CO ASST 2,646 88 km
2001 LOST FORK-MONARCH COMPLEX (LOST FORK) 2,313 61 km
1999 UNNAMED 2,161 88 km
2007 2007 HAZ FUEL REDUCTION 2,159 93 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 25°F (-4°C) 0.6 in
February 26°F (-3°C) 0.5 in Driest
March 33°F (1°C) 0.9 in
April 42°F (6°C) 1.2 in
May 51°F (11°C) 2.9 in Wettest
June 59°F (15°C) 2.8 in
July 66°F (19°C) 1.9 in Warmest
August 65°F (19°C) 1.8 in
September 56°F (13°C) 1.5 in
October 45°F (7°C) 0.9 in
November 32°F (0°C) 0.6 in
December 25°F (-4°C) 0.6 in Coldest

Moccasin has a seasonal temperature swing of 41°F / from 25°F in December to 66°F in July. Total annual precipitation is 16.2 inches, with May being the wettest month (2.9") and February the driest (0.5").

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