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Twin Falls, ID
Full City Profile · Idaho · Jerome County County
3.0
/5.0
B
Good
53,219
Population
2,680/sq mi density
$60,760
Median Income
$31,526 per capita
$279,400
Home Value
$363,195 Zillow
$1,011
Median Rent
29.6% income on rent
52°F
Avg Temperature
310 sunny days/yr
398
Violent Crime/100K
2,049 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$60,760 median income, 2.0% unemployment
A
Affordability
4.1 / 5.0
$279,400 home value, $1,011/mo rent
F
Safety
1.0 / 5.0
398 violent crimes/100K (5% above avg)
C+
Education
2.8 / 5.0
22.7% bachelor's degree or higher
Twin Falls 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 310 sunny days per year. Annual precipitation totals 9.2 inches. Air quality is rated Good with a median AQI of 23.
Temperature
31°F Jan (-0°C)
75°F Jul (24°C)
| Annual Average | 51.6°F |
| 4% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 3,730 ft (1,137 m) |
| Area | 18.2 sq mi (47.0 km²) |
| Population Density | 2,680/sq mi |
| Coordinates | 42.5647°N, 114.4606°W |
| Timezone | America/Boise |
| County | Jerome County County |
| Nearest Airport | Joslin Field/Magic Valley Regional (TWF) 6 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 23.0 |
| Rating | Good |
| Good Days % | 76.1% |
| Unhealthy Days | 7 |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 21.5 / 100 |
| Social Vulnerability | 68.9 / 100 |
| Community Resilience | 3.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| 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)
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Black Butte Crater Lava Field (69 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Black Butte Crater Lava Field | Shield | 1,478 m (4,849 ft) | -8400 | 69 km |
| Wapi Lava Field | Shield | 1,604 m (5,262 ft) | -300 | 107 km |
| Craters of the Moon | Pyroclastic cone(s) | 2,005 m (6,578 ft) | -130 | 123 km |
| Hell's Half Acre | Shield | 1,631 m (5,351 ft) | -3250 | 194 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 1.2 in | Wettest |
| February | 33°F (1°C) | 0.8 in | |
| March | 41°F (5°C) | 1.1 in | |
| April | 48°F (9°C) | 0.8 in | |
| May | 56°F (13°C) | 1.1 in | |
| June | 65°F (18°C) | 0.8 in | |
| July | 75°F (24°C) | 0.3 in | Warmest, Driest |
| August | 70°F (21°C) | 0.3 in | |
| September | 60°F (16°C) | 0.6 in | |
| October | 50°F (10°C) | 0.7 in | |
| November | 37°F (3°C) | 1.2 in | |
| December | 29°F (-2°C) | 1.0 in | Coldest |
Twin Falls has a seasonal temperature swing of 47°F / from 29°F in December to 75°F in July. Total annual precipitation is 9.9 inches, with January being the wettest month (1.2") and July the driest (0.3").