All Countries
Vernonia, OR
Full City Profile · Oregon · Columbia County County
2.9
/5.0
C+
Fair
2,716
Population
1,656/sq mi density
$83,324
Median Income
$35,646 per capita
$321,200
Home Value
$378,215 Zillow
$1,213
Median Rent
39.1% income on rent
49°F
Avg Temperature
251 sunny days/yr
87
Violent Crime/100K
306 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$83,324 median income, 4.8% unemployment
A+
Affordability
4.5 / 5.0
$321,200 home value, $1,213/mo rent
F
Safety
1.0 / 5.0
87 violent crimes/100K
C
Education
2.0 / 5.0
12.5% bachelor's degree or higher
Vernonia experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 39°F in January while summers reach 62°F in July. The area gets 251 sunny days per year. Annual precipitation totals 48.0 inches. The area receives 1.1 inches of snow annually. Air quality is rated Good with a median AQI of 32.
Temperature
39°F Jan (4°C)
62°F Jul (17°C)
| Annual Average | 49.4°F |
| 9% below US avg | |
| January Average | 39°F (4°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 251 days/yr |
Geography
| Elevation | 723 ft (220 m) |
| Area | 1.7 sq mi (4.3 km²) |
| Population Density | 1,656/sq mi |
| Coordinates | 45.8640°N, 123.1836°W |
| Timezone | America/Los_Angeles |
| County | Columbia County County |
| Nearest Airport | Southwest Washington Regional (KLS) 22 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0355 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 70.7 / 100 |
| Social Vulnerability | 21.2 / 100 |
| Community Resilience | 65.6 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively Moderate |
| Coastal Flood | Relatively 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: 250.0 m (820 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1980 | WASHINGTON | Explosion | 250.0 m | 61 | 86 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
8 volcanoes within 200 km. Closest: West Crater (86 km).
| Name | Type | Elevation | Last Eruption | Distance |
| West Crater | Volcanic field | 1,329 m (4,360 ft) | -5750 | 86 km |
| St. Helens | Stratovolcano | 2,549 m (8,363 ft) | 2008 | 86 km |
| Indian Heaven | Shield(s) | 1,806 m (5,925 ft) | -6250 | 106 km |
| Hood | Stratovolcano | 3,426 m (11,240 ft) | 1866 | 128 km |
| Adams | Stratovolcano | 3,742 m (12,277 ft) | 950 | 136 km |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 155 km |
| Jefferson | Stratovolcano | 3,199 m (10,495 ft) | 950 | 171 km |
| Sand Mountain Field | Pyroclastic cone(s) | 1,664 m (5,459 ft) | -950 | 192 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 11.3 in | |
| February | 40°F (5°C) | 8.9 in | |
| March | 44°F (6°C) | 7.7 in | |
| April | 47°F (8°C) | 5.1 in | |
| May | 52°F (11°C) | 3.4 in | |
| June | 56°F (14°C) | 2.6 in | |
| July | 62°F (17°C) | 1.1 in | Warmest, Driest |
| August | 61°F (16°C) | 1.5 in | |
| September | 57°F (14°C) | 3.0 in | |
| October | 50°F (10°C) | 5.8 in | |
| November | 43°F (6°C) | 11.2 in | |
| December | 38°F (3°C) | 12.0 in | Coldest, Wettest |
Vernonia has a seasonal temperature swing of 24°F / from 38°F in December to 62°F in July. Total annual precipitation is 73.7 inches, with December being the wettest month (12.0") and July the driest (1.1").