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Weather & Climate in Rexburg, ID
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rexburg has a cool climate with an average annual temperature of 45°F (7°C). Winters average 22°F in January while summers reach 69°F in July. The area gets 302 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 12.6 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 33. The city sits at an elevation of 4,862 feet.
Temperature
22°F Jan (-6°C)
69°F Jul (20°C)
| Annual Average | 44.8°F |
| 17% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 4,862 ft (1,482 m) |
| Area | 9.8 sq mi (25.3 km²) |
| Population Density | 3,818/sq mi |
| Coordinates | 43.8229°N, 111.7910°W |
| Timezone | America/Boise |
| County | Madison County County |
| Nearest Airport | Idaho Falls Regional (IDA) 26 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 33.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 58.6 / 100 |
| Social Vulnerability | 25.9 / 100 |
| Community Resilience | 57.8 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
| Volcano | Very Low |
| Avalanche | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
2,024 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.
| Feb 3, 1994 | 4 km SSE of Auburn, Wyoming | M5.8 | 135 km | 8 km |
| Sep 2, 2017 | 12 km E of Soda Springs, Idaho | M5.3 | 134 km | 10 km |
| Apr 21, 2001 | 29 km WSW of Freedom, Idaho | M5.3 | 105 km | 1 km |
| Aug 20, 1999 | 22 km NW of Lima, Montana | M5.1 | 133 km | 16 km |
| Jan 7, 2004 | 20 km ESE of Kelly, Wyoming | M5.0 | 117 km | 3 km |
| Sep 10, 2017 | 9 km NNW of Georgetown, Idaho | M5.0 | 143 km | 10 km |
| Mar 30, 2014 | 22 km S of Mammoth, Wyoming | M4.8 | 138 km | 6 km |
| Aug 5, 2010 | 19 km E of Kelly, Wyoming | M4.8 | 115 km | 5 km |
| Feb 11, 1994 | 3 km SSE of Auburn, Wyoming | M4.8 | 134 km | 5 km |
| Aug 27, 2016 | 4 km ENE of Bondurant, Wyoming | M4.8 | 133 km | 12 km |
| Sep 11, 2017 | 9 km NW of Georgetown, Idaho | M4.7 | 145 km | 8 km |
| Sep 3, 2017 | 10 km E of Soda Springs, Idaho | M4.7 | 134 km | 8 km |
| Sep 10, 2017 | 12 km ESE of Soda Springs, Idaho | M4.7 | 138 km | 5 km |
| Feb 4, 1994 | 4 km WNW of Fairview, Wyoming | M4.7 | 139 km | 5 km |
| Dec 28, 1993 | 38 km NE of Bondurant, Wyoming | M4.7 | 139 km | 8 km |
| Sep 3, 2017 | 15 km ESE of Soda Springs, Idaho | M4.7 | 138 km | 10 km |
| Sep 6, 2017 | 11 km NNW of Georgetown, Idaho | M4.6 | 142 km | 10 km |
| Apr 9, 2019 | 9 km NE of Lima, Montana | M4.6 | 113 km | 14 km |
| Sep 4, 2017 | 13 km ESE of Soda Springs, Idaho | M4.5 | 136 km | 6 km |
| Feb 7, 1994 | 4 km SW of Fairview, Wyoming | M4.5 | 144 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
62 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 3 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 7, 1978 | EF2 | 41 km | 1.5 mi | 0 |
| Sep 26, 1959 | EF2 | 12 km | 1.0 mi | 0 |
| May 31, 2018 | EF1 | 88 km | 12.0 mi | 0 |
| Jun 1, 2002 | EF1 | 32 km | 2.5 mi | 0 |
| Feb 14, 2000 | EF1 | 59 km | 12.0 mi | 0 |
| Feb 14, 2000 | EF1 | 99 km | 14.0 mi | 0 |
| Feb 14, 2000 | EF1 | 68 km | 9.0 mi | 0 |
| May 31, 1997 | EF1 | 57 km | 4.0 mi | 0 |
| Jun 2, 1992 | EF1 | 25 km | 0.5 mi | 0 |
| Jun 4, 1991 | EF1 | 22 km | 0.2 mi | 0 |
| Mar 25, 1991 | EF1 | 52 km | 1.0 mi | 0 |
| Apr 17, 1988 | EF1 | 33 km | 2.0 mi | 0 |
| Apr 17, 1988 | EF1 | 22 km | 0.5 mi | 0 |
| Mar 23, 1988 | EF1 | 29 km | 15.0 mi | 0 |
| Apr 11, 1985 | EF1 | 18 km | 0.1 mi | 0 |
| May 15, 1984 | EF1 | 5 km | 8.0 mi | 0 |
| Apr 21, 1981 | EF1 | 23 km | 1.1 mi | 0 |
| Jul 8, 1980 | EF1 | 19 km | 0.1 mi | 0 |
| Jul 27, 1972 | EF1 | 71 km | 1.0 mi | 0 |
| Mar 13, 1959 | EF1 | 53 km | 0.4 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Hell's Half Acre (64 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hell's Half Acre | Shield | 1,631 m (5,351 ft) | -3250 | 64 km |
| Yellowstone | Caldera(s) | 2,805 m (9,203 ft) | -1350 | 112 km |
| Craters of the Moon | Pyroclastic cone(s) | 2,005 m (6,578 ft) | -130 | 145 km |
| Wapi Lava Field | Shield | 1,604 m (5,262 ft) | -300 | 156 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: JEFFERSON (108,542 acres, 2010).
| Year | Name | Acres Burned | Distance |
| 2010 | JEFFERSON | 108,542 | 65 km |
| 2019 | SHEEP | 107,233 | 78 km |
| 2018 | GRASSY RIDGE | 106,164 | 39 km |
| 2016 | HENRYS CREEK | 52,988 | 42 km |
| 1999 | CEDAR BUTTE | 49,625 | 95 km |
| 2011 | T17 | 45,631 | 75 km |
| 1999 | INEEL FIRE | 43,547 | 68 km |
| 2003 | DEEP | 38,701 | 81 km |
| 1992 | SAGEHEN | 26,663 | 85 km |
| 1998 | TILDEN 2 | 23,183 | 76 km |
| 2016 | BERRY | 20,783 | 89 km |
| 2012 | CEDAR BUTTE WSA | 20,564 | 98 km |
| 2012 | RIDGE TOP | 17,793 | 78 km |
| 2017 | DEER PARK | 17,745 | 20 km |
| 1988 | FALLS | 16,607 | 95 km |
| 2018 | INDIAN BUTTE | 12,897 | 71 km |
| 2006 | SNOWSHOE | 11,910 | 38 km |
| 2003 | WINSLOW | 11,794 | 83 km |
| 2003 | MENAN | 11,790 | 18 km |
| 1998 | BUCKSKIN | 10,032 | 85 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 1.2 in | |
| February | 24°F (-4°C) | 1.0 in | |
| March | 32°F (0°C) | 1.0 in | |
| April | 42°F (5°C) | 1.3 in | |
| May | 51°F (10°C) | 1.8 in | Wettest |
| June | 58°F (15°C) | 1.7 in | |
| July | 69°F (20°C) | 0.9 in | Warmest, Driest |
| August | 64°F (18°C) | 0.9 in | |
| September | 55°F (13°C) | 1.1 in | |
| October | 45°F (7°C) | 1.2 in | |
| November | 31°F (-1°C) | 1.4 in | |
| December | 21°F (-6°C) | 1.3 in | Coldest |
Rexburg has a seasonal temperature swing of 48°F / from 21°F in December to 69°F in July. Total annual precipitation is 14.8 inches, with May being the wettest month (1.8") and July the driest (0.9").