Ontario, OR
Full City Profile · Oregon · Payette County County
2.6
/5.0
C+
Fair
11,728
Population
1,958/sq mi density
$43,887
Median Income
$25,812 per capita
$217,500
Home Value
$307,769 Zillow
$790
Median Rent
27.5% income on rent
54°F
Avg Temperature
529
Violent Crime/100K
4,434 property/100K
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$43,887 median income, 5.0% unemployment
B+
Affordability
3.9 / 5.0
$217,500 home value, $790/mo rent
F
Safety
1.0 / 5.0
529 violent crimes/100K (39% above avg)
C
Education
2.4 / 5.0
17.9% bachelor's degree or higher
Ontario experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 31°F in January while summers reach 78°F in July. Annual precipitation totals 9.5 inches. The area receives 15.4 inches of snow annually.
Temperature
31°F Jan (-0°C)
78°F Jul (26°C)
| Annual Average | 53.7°F |
| 1% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 78°F (26°C) |
Geography
| Elevation | 2,175 ft (663 m) |
| Area | 2.0 sq mi (5.2 km²) |
| Population Density | 1,958/sq mi |
| Coordinates | 44.0250°N, 116.9788°W |
| Timezone | America/Los_Angeles |
| County | Payette County County |
| Nearest Airport | Boise Air Trml/Gowen Field (BOI) 49 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 17.1 / 100 |
| Social Vulnerability | 15.4 / 100 |
| Community Resilience | 11.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Very 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)
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 | 176 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 1.4 in | Coldest |
| February | 38°F (3°C) | 0.9 in | |
| March | 46°F (8°C) | 1.0 in | |
| April | 53°F (12°C) | 0.8 in | |
| May | 62°F (17°C) | 1.2 in | |
| June | 70°F (21°C) | 0.7 in | |
| July | 78°F (26°C) | 0.3 in | Warmest |
| August | 76°F (25°C) | 0.1 in | Driest |
| September | 66°F (19°C) | 0.3 in | |
| October | 53°F (12°C) | 0.6 in | |
| November | 40°F (4°C) | 0.9 in | |
| December | 32°F (-0°C) | 1.4 in | Wettest |
Ontario has a seasonal temperature swing of 47°F / from 31°F in January to 78°F in July. Total annual precipitation is 9.5 inches, with December being the wettest month (1.4") and August the driest (0.1").