Wallowa County Climate
Wallowa County, Oregon
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
45.7°F
Annual Precip
18.1"
Annual Snowfall
51.0"
Extreme Heat Days
28
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
1,702
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Wallowa County
Climate Verdict
Wallowa County has a cool, averaging 45.7°F annually, semi-arid conditions with only 18.1 inches of annual precipitation, occasional hot days — 27.866666666666664 per year above 90°F, moderate snowfall of 51.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 27.5°F. summers are pleasantly cool with July averaging 65.9°F. The 38°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Wallowa County is 4.8°F cooler than the Oregon statewide average of 50.5°F, it is also noticeably drier, receiving 19.3 inches less precipitation than the state average.
Climate Profile
About Wallowa County Weather
One of the Nation's Coldest Pockets
Wallowa County’s 45.7°F annual average is significantly lower than the national median. This alpine-influenced climate is defined by its cold temperatures and 18.1 inches of precipitation.
Oregon's High-Elevation Cold Spot
The county is nearly five degrees colder than the Oregon state average of 50.5°F. It is one of the few places in the state where annual snowfall (51 inches) exceeds total inches of rain.
The Snow King of the Region
Wallowa is the coldest of its neighbors, averaging 45.7°F compared to Union County's 48.8°F. Its 51 inches of snow dwarfs the 12.8 inches found in nearby Union.
Brief Summers and Heavy Snow
Despite the cold, July averages 65.9°F with 28 days of extreme heat over 90°F. Winter is the dominant season, bringing a freezing 27.5°F January average and over four feet of snow.
Winter Preparedness is Primary
Heavy-duty snow removal equipment and winter tires are mandatory for the 51 inches of annual snowfall. Residents also need efficient heating systems to handle winter averages that stay well below freezing.
Frequently Asked Questions
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.