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Weather & Climate in Ryegate, MT
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ryegate experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 26°F in January while summers reach 70°F in July. The area gets 253 sunny days per year, above the national average. 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 3,647 feet.
Temperature
26°F Jan (-3°C)
70°F Jul (21°C)
| Annual Average | 46.3°F |
| 14% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 253 days/yr |
Geography
| Elevation | 3,647 ft (1,112 m) |
| Area | 0.7 sq mi (1.8 km²) |
| Population Density | 345/sq mi |
| Coordinates | 46.2984°N, 109.2537°W |
| Timezone | America/Denver |
| County | Golden Valley County County |
| Nearest Airport | Billings Logan International (BIL) 48 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 26.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 1.0 / 100 |
| Social Vulnerability | 45.2 / 100 |
| Community Resilience | 33.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
17 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Feb 6, 1999 | 24 km E of Townsend, Montana | M3.9 | 150 km | 1 km |
| Jan 30, 2023 | 9 km NNW of Livingston, Montana | M3.8 | 121 km | 20 km |
| Jan 9, 2003 | 23 km E of Wilsall, Montana | M3.7 | 91 km | 11 km |
| Jul 6, 2021 | 27 km SSE of Melstone, Montana | M3.6 | 116 km | 10 km |
| Jul 21, 2023 | Eastern Montana | M3.2 | 94 km | 5 km |
| Jul 15, 2006 | Western Montana | M3.0 | 129 km | 10 km |
| May 7, 2008 | 10 km SE of Springhill, Montana | M3.0 | 142 km | 14 km |
| Sep 15, 2012 | 23 km SSW of White Sulphur Springs, Montana | M2.9 | 138 km | 8 km |
| May 21, 2013 | 32 km NE of Melstone, Montana | M2.8 | 143 km | 7 km |
| Jul 15, 2006 | 28 km S of White Sulphur Springs, Montana | M2.8 | 129 km | 10 km |
| Aug 25, 2012 | 28 km S of White Sulphur Springs, Montana | M2.8 | 130 km | 10 km |
| Apr 27, 2016 | 25 km ENE of Toston, Montana | M2.8 | 146 km | 5 km |
| Nov 4, 2017 | 32 km NE of Wilsall, Montana | M2.7 | 83 km | 4 km |
| Oct 16, 2011 | Eastern Montana | M2.7 | 140 km | 21 km |
| Aug 1, 2011 | 14 km ESE of Livingston, Montana | M2.6 | 114 km | 7 km |
| Jan 8, 2003 | 24 km E of Wilsall, Montana | M2.5 | 90 km | 14 km |
| Aug 17, 2012 | 28 km S of White Sulphur Springs, Montana | M2.5 | 130 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
56 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 6 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 16, 1965 | EF3 | 80 km | 20.6 mi | 0 |
| Jul 2, 2010 | EF2 | 92 km | 2.1 mi | 0 |
| Jun 20, 2010 | EF2 | 81 km | 0.7 mi | 0 |
| Aug 14, 1999 | EF2 | 87 km | 5.0 mi | 0 |
| May 4, 1986 | EF2 | 90 km | 0.1 mi | 0 |
| Jul 20, 1964 | EF2 | 43 km | 2.0 mi | 0 |
| Jul 2, 1958 | EF2 | 82 km | 0.5 mi | 0 |
| May 21, 2016 | EF1 | 93 km | 2.0 mi | 0 |
| Aug 23, 1998 | EF1 | 88 km | 3.5 mi | 0 |
| Jun 21, 1991 | EF1 | 76 km | 0.2 mi | 0 |
| May 24, 1990 | EF1 | 76 km | 0.2 mi | 0 |
| May 10, 1977 | EF1 | 97 km | 0.1 mi | 0 |
| Jun 3, 1971 | EF1 | 63 km | 2.3 mi | 0 |
| Aug 22, 1965 | EF1 | 80 km | 1.5 mi | 0 |
| Aug 12, 1958 | EF1 | 75 km | 0.5 mi | 0 |
| Jul 7, 1957 | EF1 | 98 km | 1.5 mi | 0 |
| Jul 6, 1955 | EF1 | 87 km | 2.0 mi | 0 |
| Jun 27, 2019 | EF0 | 71 km | 0.4 mi | 0 |
| May 9, 2018 | EF0 | 79 km | 0.7 mi | 0 |
| Jun 6, 2011 | EF0 | 61 km | 0.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: DERBY (200,993 acres, 2006).
| Year | Name | Acres Burned | Distance |
| 2006 | DERBY | 200,993 | 90 km |
| 1984 | HAWK CREEK | 157,778 | 76 km |
| 2008 | DUNN MTN. ASSIST | 105,494 | 83 km |
| 2012 | DELPHIA | 40,396 | 87 km |
| 2003 | HOBBLE | 38,365 | 61 km |
| 2020 | BOBCAT | 31,020 | 68 km |
| 1999 | FISHEL CREEK | 28,611 | 93 km |
| 2012 | DAHL | 21,448 | 53 km |
| 2021 | AMERICAN FORK | 20,726 | 84 km |
| 1994 | BLACK BUTTE | 10,231 | 84 km |
| 2010 | STUMP GULCH | 8,873 | 65 km |
| 2021 | TROUT CREEK | 7,804 | 93 km |
| 2002 | COW CREEK | 5,162 | 83 km |
| 1988 | TWO DOT | 5,097 | 78 km |
| 1999 | HORSE THIE | 4,767 | 40 km |
| 1991 | BURNETTEPK | 4,644 | 97 km |
| 2000 | PEASE | 4,361 | 98 km |
| 2006 | EMERALD HILLS | 4,191 | 90 km |
| 2017 | BLACKTAIL | 4,029 | 79 km |
| 2017 | NORTH DELPHIA | 3,767 | 80 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 0.6 in | |
| February | 27°F (-3°C) | 0.4 in | Driest |
| March | 35°F (1°C) | 0.6 in | |
| April | 44°F (7°C) | 1.1 in | |
| May | 53°F (12°C) | 2.4 in | Wettest |
| June | 62°F (17°C) | 2.3 in | |
| July | 70°F (21°C) | 1.3 in | Warmest |
| August | 68°F (20°C) | 1.3 in | |
| September | 58°F (14°C) | 1.2 in | |
| October | 47°F (8°C) | 0.9 in | |
| November | 34°F (1°C) | 0.5 in | |
| December | 25°F (-4°C) | 0.4 in | Coldest |
Ryegate has a seasonal temperature swing of 44°F / from 25°F in December to 70°F in July. Total annual precipitation is 13.0 inches, with May being the wettest month (2.4") and February the driest (0.4").