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Dayton, ID
Full City Profile · Idaho · Franklin County County
3.5
/5.0
B+
Good
496
Population
74/sq mi density
$86,667
Median Income
$29,066 per capita
$275,000
Home Value
$423,967 Zillow
$1,000
Median Rent
10.0% income on rent
47°F
Avg Temperature
302 sunny days/yr
58
Violent Crime/100K
1,240 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$86,667 median income, 2.4% unemployment
A+
Affordability
4.9 / 5.0
$275,000 home value, $1,000/mo rent
F
Safety
1.0 / 5.0
58 violent crimes/100K
B
Education
3.3 / 5.0
28.8% bachelor's degree or higher
Dayton experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 24°F in January while summers reach 71°F in July. The area gets 302 sunny days per year. Annual precipitation totals 17.3 inches. The area receives 52.4 inches of snow annually. Air quality is rated Good with a median AQI of 33.
Temperature
24°F Jan (-5°C)
71°F Jul (22°C)
| Annual Average | 47.0°F |
| 13% below US avg | |
| January Average | 24°F (-5°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 4,774 ft (1,455 m) |
| Area | 6.6 sq mi (17.0 km²) |
| Population Density | 74/sq mi |
| Coordinates | 42.1112°N, 111.9846°W |
| Timezone | America/Boise |
| County | Franklin County County |
| Nearest Airport | Brigham City Regional (BMC) 39 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 33.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 6.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 7.6 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 22.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Very Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.6 m (12 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1909 | UTAH | Earthquake | 3.6 m | — | 69 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Wapi Lava Field (133 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Wapi Lava Field | Shield | 1,604 m (5,262 ft) | -300 | 133 km |
| Hell's Half Acre | Shield | 1,631 m (5,351 ft) | -3250 | 159 km |
| Craters of the Moon | Pyroclastic cone(s) | 2,005 m (6,578 ft) | -130 | 191 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-5°C) | 1.3 in | |
| February | 27°F (-3°C) | 1.2 in | |
| March | 37°F (3°C) | 1.5 in | |
| April | 45°F (7°C) | 1.5 in | |
| May | 54°F (12°C) | 2.1 in | Wettest |
| June | 63°F (17°C) | 1.2 in | |
| July | 71°F (22°C) | 1.0 in | Warmest |
| August | 69°F (21°C) | 0.9 in | Driest |
| September | 59°F (15°C) | 1.3 in | |
| October | 48°F (9°C) | 1.5 in | |
| November | 34°F (1°C) | 1.3 in | |
| December | 23°F (-5°C) | 1.2 in | Coldest |
Dayton has a seasonal temperature swing of 48°F / from 23°F in December to 71°F in July. Total annual precipitation is 16.0 inches, with May being the wettest month (2.1") and August the driest (0.9").