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New Plymouth, ID
Full City Profile · Idaho · Canyon County County
3.2
/5.0
B
Good
1,863
Population
2,700/sq mi density
$59,875
Median Income
$25,762 per capita
$199,200
Home Value
$478,477 Zillow
$988
Median Rent
22.2% income on rent
52°F
Avg Temperature
302 sunny days/yr
42
Violent Crime/100K
1,154 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.5 / 5.0
$59,875 median income, 5.2% unemployment
A+
Affordability
4.8 / 5.0
$199,200 home value, $988/mo rent
F
Safety
1.0 / 5.0
42 violent crimes/100K
B
Education
3.5 / 5.0
31.1% bachelor's degree or higher
New Plymouth experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 30°F in January while summers reach 77°F in July. The area gets 302 sunny days per year. Annual precipitation totals 10.2 inches. The area receives 8.3 inches of snow annually. Air quality is rated Good with a median AQI of 33.
Temperature
30°F Jan (-1°C)
77°F Jul (25°C)
| Annual Average | 51.8°F |
| 4% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 2,258 ft (688 m) |
| Area | 0.7 sq mi (1.8 km²) |
| Population Density | 2,700/sq mi |
| Coordinates | 43.9704°N, 116.8188°W |
| Timezone | America/Boise |
| County | Canyon County County |
| Nearest Airport | Boise Air Trml/Gowen Field (BOI) 41 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 33.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 7.0 μg/m³ |
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)
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Jordan Craters (105 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Jordan Craters | Volcanic field | 1,473 m (4,833 ft) | -1250 | 105 km |
| Diamond Craters | Volcanic field | 1,435 m (4,708 ft) | -5610 | 183 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 1.7 in | Wettest |
| February | 35°F (2°C) | 1.3 in | |
| March | 43°F (6°C) | 1.3 in | |
| April | 50°F (10°C) | 1.0 in | |
| May | 59°F (15°C) | 1.0 in | |
| June | 67°F (19°C) | 0.9 in | |
| July | 77°F (25°C) | 0.3 in | Warmest, Driest |
| August | 73°F (23°C) | 0.4 in | |
| September | 63°F (17°C) | 0.7 in | |
| October | 51°F (11°C) | 0.8 in | |
| November | 39°F (4°C) | 1.6 in | |
| December | 30°F (-1°C) | 1.7 in | Coldest |
New Plymouth has a seasonal temperature swing of 47°F / from 30°F in December to 77°F in July. Total annual precipitation is 12.5 inches, with January being the wettest month (1.7") and July the driest (0.3").