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Weather & Climate in Star, ID

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

Star 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 13.3 inches (drier than the 38-inch national average). The area receives 7.4 inches of snow annually. Air quality is rated Good with a median AQI of 33. The city sits at an elevation of 2,473 feet.

Temperature

31°F Jan (-1°C) 75°F Jul (24°C)
Annual Average51.5°F
5% below US avg
January Average31°F (-1°C)
July Average75°F (24°C)
Sunny Days302 days/yr

Geography

Elevation2,473 ft (754 m)
Area5.9 sq mi (15.2 km²)
Population Density1,150/sq mi
Coordinates43.7000°N, 116.4898°W
TimezoneAmerica/Boise
CountyCanyon County County
Nearest AirportBoise Air Trml/Gowen Field (BOI)
16 miles away

Precipitation & Snow

Annual Rainfall 13.3"
65% below US avg
Snowfall 7.4"
Wettest Month (Jan) 1.69"
Driest Month (Jul) 0.31"

Air Quality

AQI Median33.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score71.7 / 100
Social Vulnerability18.5 / 100
Community Resilience42.4 / 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

1,269 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.5.

Mar 31, 2020 Stanley, Idaho M6.5 139 km 12 km
Feb 26, 2024 10 km N of Smiths Ferry, Idaho M4.9 83 km 12 km
Apr 1, 2020 21 km WNW of Stanley, Idaho M4.8 126 km 10 km
Jun 25, 2020 27 km NW of Stanley, Idaho M4.6 130 km 8 km
May 14, 2020 31 km NW of Stanley, Idaho M4.4 129 km 13 km
Apr 1, 2020 23 km NW of Stanley, Idaho M4.4 128 km 7 km
May 21, 2020 26 km NW of Stanley, Idaho M4.4 132 km 6 km
Jun 14, 2020 10 km NW of Stanley, Idaho M4.2 132 km 8 km
Jun 9, 2020 11 km NW of Stanley, Idaho M4.2 134 km 10 km
Apr 11, 1995 20 km SSE of Yellow Pine, Idaho M4.2 147 km 5 km
Apr 21, 2020 29 km NW of Stanley, Idaho M4.1 131 km 10 km
Apr 11, 2020 20 km NW of Stanley, Idaho M4.1 128 km 10 km
Jul 10, 2020 18 km SW of Stanley, Idaho M4.1 121 km 10 km
Jun 3, 2025 17 km NNW of Stanley, Idaho M4.0 138 km 10 km
Oct 27, 1994 11 km SE of Halfway, Oregon M4.0 130 km 10 km
Jun 3, 2025 15 km NNW of Stanley, Idaho M4.0 138 km 14 km
Apr 3, 2020 20 km NW of Stanley, Idaho M4.0 128 km 10 km
Apr 1, 2020 18 km NW of Stanley, Idaho M4.0 130 km 14 km
Jul 10, 2020 14 km SW of Stanley, Idaho M3.9 124 km 14 km
May 31, 2020 16 km SW of Stanley, Idaho M3.9 121 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 63 km 3.0 mi 0
May 17, 1996 EF1 48 km 0.3 mi 0
May 17, 1996 EF1 72 km 5.5 mi 0
Jun 19, 1991 EF1 19 km 0.1 mi 0
Jul 9, 1990 EF1 80 km 0.1 mi 0
Oct 26, 1984 EF1 17 km 0.3 mi 0
Mar 21, 1984 EF1 26 km 0.1 mi 0
Jul 1, 1983 EF1 46 km 2.0 mi 0
Apr 23, 1974 EF1 50 km 1.0 mi 0
Jun 23, 1969 EF1 95 km 1.0 mi 0
Aug 25, 1966 EF1 48 km 19.1 mi 0
Jul 9, 1956 EF1 1 km 0.1 mi 0
May 27, 2023 EF0 90 km 5.0 mi 0
May 26, 2023 EF0 2 km 1.0 mi 0
May 27, 2022 EF0 39 km 3.8 mi 0
May 26, 2013 EF0 75 km 3.9 mi 0
Aug 25, 2004 EF0 24 km — 0
Aug 25, 2004 EF0 16 km — 0
Apr 6, 2003 EF0 15 km 1.0 mi 0
Sep 29, 2002 EF0 21 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 (100 km).

Name Type Elevation Last Eruption Distance
Jordan Craters Volcanic field 1,473 m (4,833 ft) -1250 100 km
Black Butte Crater Lava Field Shield 1,478 m (4,849 ft) -8400 182 km
Diamond Craters Volcanic field 1,435 m (4,708 ft) -5610 194 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 52 km
1992 FOOTHILLS 228,631 66 km
2016 PIONEER 189,596 87 km
2024 PADDOCK 186,842 48 km
1994 IDAHO CITY COMPLEX (RABBIT CREEK) 150,456 90 km
2013 PONY COMPLEX 148,188 76 km
2012 TRINITY RIDGE 141,807 88 km
2013 ELK COMPLEX 129,565 85 km
2000 JACKSON 80,733 75 km
2006 CHERRY 56,773 44 km
2006 RATTLESNAKE COMPLEX 48,330 86 km
2013 OWYHEE 48,001 56 km
1989 SMOKEY CREEK 47,682 89 km
2002 TRIMBLY CREEK 43,085 52 km
1986 BISSELL CK 40,847 35 km
1986 VAN DUSEN 39,901 38 km
2022 WILLOW CREEK 38,585 81 km
2016 CHERRY ROAD 35,219 61 km
2002 MAHOGANY COMPLEX (ATKINS BUTTE) 33,472 70 km
2000 OREGON TRAIL 31,575 94 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 31°F (-1°C) 1.7 in Wettest
February 36°F (2°C) 1.3 in
March 43°F (6°C) 1.4 in
April 49°F (10°C) 1.2 in
May 58°F (14°C) 1.1 in
June 66°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) 0.8 in
October 52°F (11°C) 0.9 in
November 39°F (4°C) 1.7 in
December 30°F (-1°C) 1.7 in Coldest

Star has a seasonal temperature swing of 44°F / from 30°F in December to 75°F in July. Total annual precipitation is 13.3 inches, with January being the wettest month (1.7") and July the driest (0.3").

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