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Weather & Climate in Middleton, ID
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Middleton experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 31°F in January while summers reach 75°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 11.0 inches (drier than the 38-inch national average). The area receives 9.7 inches of snow annually. Air quality is rated Good with a median AQI of 33. The city sits at an elevation of 2,403 feet.
Temperature
31°F Jan (-0°C)
75°F Jul (24°C)
| Annual Average | 52.0°F |
| 4% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 2,403 ft (732 m) |
| Area | 5.4 sq mi (13.9 km²) |
| Population Density | 1,533/sq mi |
| Coordinates | 43.7116°N, 116.6150°W |
| Timezone | America/Boise |
| County | Canyon County County |
| Nearest Airport | Boise Air Trml/Gowen Field (BOI) 22 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 33.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 71.7 / 100 |
| Social Vulnerability | 18.5 / 100 |
| Community Resilience | 42.4 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1,224 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.5.
| Mar 31, 2020 | Stanley, Idaho | M6.5 | 146 km | 12 km |
| Feb 26, 2024 | 10 km N of Smiths Ferry, Idaho | M4.9 | 86 km | 12 km |
| Apr 1, 2020 | 21 km WNW of Stanley, Idaho | M4.8 | 134 km | 10 km |
| Jun 25, 2020 | 27 km NW of Stanley, Idaho | M4.6 | 138 km | 8 km |
| May 21, 2020 | 26 km NW of Stanley, Idaho | M4.4 | 139 km | 6 km |
| May 14, 2020 | 31 km NW of Stanley, Idaho | M4.4 | 137 km | 13 km |
| Apr 1, 2020 | 23 km NW of Stanley, Idaho | M4.4 | 135 km | 7 km |
| Jun 9, 2020 | 11 km NW of Stanley, Idaho | M4.2 | 142 km | 10 km |
| Jun 14, 2020 | 10 km NW of Stanley, Idaho | M4.2 | 140 km | 8 km |
| Apr 11, 2020 | 20 km NW of Stanley, Idaho | M4.1 | 136 km | 10 km |
| Jul 10, 2020 | 18 km SW of Stanley, Idaho | M4.1 | 130 km | 10 km |
| Apr 21, 2020 | 29 km NW of Stanley, Idaho | M4.1 | 139 km | 10 km |
| Oct 27, 1994 | 11 km SE of Halfway, Oregon | M4.0 | 126 km | 10 km |
| Apr 3, 2020 | 20 km NW of Stanley, Idaho | M4.0 | 136 km | 10 km |
| Jun 3, 2025 | 17 km NNW of Stanley, Idaho | M4.0 | 146 km | 10 km |
| Apr 1, 2020 | 18 km NW of Stanley, Idaho | M4.0 | 138 km | 14 km |
| Jun 3, 2025 | 15 km NNW of Stanley, Idaho | M4.0 | 146 km | 14 km |
| Jul 10, 2020 | 14 km SW of Stanley, Idaho | M3.9 | 133 km | 14 km |
| Apr 3, 2020 | 26 km NW of Stanley, Idaho | M3.9 | 135 km | 15 km |
| Jun 3, 2025 | 16 km NNW of Stanley, Idaho | M3.9 | 146 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
40 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1. Total: 1 injury.
| Date | Rating | Distance | Path | Fatalities |
| Apr 30, 1997 | EF1 | 54 km | 3.0 mi | 0 |
| May 17, 1996 | EF1 | 37 km | 0.3 mi | 0 |
| May 17, 1996 | EF1 | 66 km | 5.5 mi | 0 |
| Jun 19, 1991 | EF1 | 20 km | 0.1 mi | 0 |
| Jul 9, 1990 | EF1 | 74 km | 0.1 mi | 0 |
| Oct 26, 1984 | EF1 | 25 km | 0.3 mi | 0 |
| Mar 21, 1984 | EF1 | 32 km | 0.1 mi | 0 |
| Jul 1, 1983 | EF1 | 39 km | 2.0 mi | 0 |
| Apr 23, 1974 | EF1 | 40 km | 1.0 mi | 0 |
| Jun 23, 1969 | EF1 | 92 km | 1.0 mi | 0 |
| Aug 25, 1966 | EF1 | 38 km | 19.1 mi | 0 |
| Jul 9, 1956 | EF1 | 9 km | 0.1 mi | 0 |
| May 27, 2023 | EF0 | 95 km | 5.0 mi | 0 |
| May 26, 2023 | EF0 | 12 km | 1.0 mi | 0 |
| May 27, 2022 | EF0 | 35 km | 3.8 mi | 0 |
| May 26, 2013 | EF0 | 83 km | 3.9 mi | 0 |
| Aug 25, 2004 | EF0 | 18 km | - | 0 |
| Aug 25, 2004 | EF0 | 6 km | - | 0 |
| Apr 6, 2003 | EF0 | 15 km | 1.0 mi | 0 |
| Sep 29, 2002 | EF0 | 18 km | 1.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Jordan Craters (93 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Jordan Craters | Volcanic field | 1,473 m (4,833 ft) | -1250 | 93 km |
| Diamond Craters | Volcanic field | 1,435 m (4,708 ft) | -5610 | 185 km |
| Black Butte Crater Lava Field | Shield | 1,478 m (4,849 ft) | -8400 | 192 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: SODA (282,888 acres, 2015).
| Year | Name | Acres Burned | Distance |
| 2015 | SODA | 282,888 | 48 km |
| 1992 | FOOTHILLS | 228,631 | 76 km |
| 2016 | PIONEER | 189,596 | 95 km |
| 2024 | PADDOCK | 186,842 | 48 km |
| 1994 | IDAHO CITY COMPLEX (RABBIT CREEK) | 150,456 | 100 km |
| 2013 | PONY COMPLEX | 148,188 | 86 km |
| 2012 | TRINITY RIDGE | 141,807 | 98 km |
| 2024 | COW VALLEY | 134,642 | 95 km |
| 2013 | ELK COMPLEX | 129,565 | 95 km |
| 2000 | JACKSON | 80,733 | 67 km |
| 2006 | CHERRY | 56,773 | 46 km |
| 2006 | RATTLESNAKE COMPLEX | 48,330 | 92 km |
| 2013 | OWYHEE | 48,001 | 47 km |
| 1989 | SMOKEY CREEK | 47,682 | 97 km |
| 2002 | TRIMBLY CREEK | 43,085 | 44 km |
| 1986 | BISSELL CK | 40,847 | 32 km |
| 1986 | VAN DUSEN | 39,901 | 39 km |
| 2022 | WILLOW CREEK | 38,585 | 73 km |
| 2016 | CHERRY ROAD | 35,219 | 52 km |
| 2002 | MAHOGANY COMPLEX (ATKINS BUTTE) | 33,472 | 63 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 1.6 in | Wettest |
| February | 36°F (2°C) | 1.2 in | |
| March | 43°F (6°C) | 1.3 in | |
| April | 50°F (10°C) | 1.1 in | |
| May | 58°F (15°C) | 1.0 in | |
| June | 67°F (19°C) | 0.9 in | |
| July | 75°F (24°C) | 0.3 in | Warmest, Driest |
| August | 73°F (23°C) | 0.4 in | |
| September | 63°F (17°C) | 0.7 in | |
| October | 52°F (11°C) | 0.8 in | |
| November | 39°F (4°C) | 1.5 in | |
| December | 30°F (-1°C) | 1.5 in | Coldest |
Middleton has a seasonal temperature swing of 45°F / from 30°F in December to 75°F in July. Total annual precipitation is 12.3 inches, with January being the wettest month (1.6") and July the driest (0.3").