weatherbycounty

Wheeler County Climate

JanFebMarAprMayJunJulAugSepOctNovDec48.0°AVG °F

Avg Annual Temp

48.0°F

Annual Precip

14.4"

Annual Snowfall

Extreme Heat Days

22

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
1.3"
1.1"
1.4"
1.5"
2.0"
1.4"
0.5"
0.5"
0.5"
1.3"
1.4"
1.5"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

7a

Minimum winter temperature range for plant survival

Growing Degree Days

1,751

Favors cool-season crops

Last spring frost (32°F): 06/03
First fall frost (32°F): 10/04

Seasonal Overview

Comfort ZoneSpring40°52°4.9"Summer58°66°2.4"Fall39°58°3.2"Winter33°36°3.9"20°40°60°80°100°

National Comparison

Warmer than 23% of US counties
Wetter than 6% of US counties
More seasonal variation than 9% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Wheeler County

Climate Verdict

Wheeler County has a cool, averaging 48.0°F annually, arid conditions receiving just 14.4 inches of precipitation annually, occasional hot days — 22.4 per year above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 34.1°F. summers are pleasantly cool with July averaging 66.1°F. The 32°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.

Outdoor & Gardening Guidance

Growing season and gardening data is currently limited for Wheeler County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.

Regional Context

Wheeler County closely matches the Oregon statewide average temperature of 50.5°F, it is also noticeably drier, receiving 23.0 inches less precipitation than the state average.

Climate Profile

About Wheeler County Weather

Cooler High-Desert Living

Wheeler County’s average annual temperature of 48.0°F is notably cooler than the national median. This high-altitude, semi-arid climate features crisp air and significant daily temperature swings.

Cooler and Drier Than the State Average

The county sits 2.5 degrees below the Oregon state average of 50.5°F. It is one of the state's driest regions, recording just 14.4 inches of precipitation annually compared to the 37.4-inch state average.

A Typical Central Oregon Profile

Wheeler shares the dry, sun-drenched characteristics of neighboring Grant and Gilliam counties. Its lower precipitation levels set it apart from the wetter forest zones found in the Cascades to the west.

Sharp Temperature Swings Throughout the Year

July averages a pleasant 66.1°F, though the county still sees 22 days of extreme heat over 90°F. While snowfall data is currently unavailable, the winter average of 34.3°F indicates a consistently cold season.

Dress in Layers for Desert Shifts

The gap between the 63.2°F summer average and 22 extreme heat days requires versatile clothing layers. Homeowners should focus on winterizing pipes to protect against the 34.3°F average winter temperatures.

Frequently Asked Questions

What is the average temperature in Wheeler County?
The average annual temperature in Wheeler County, OR is 48.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Wheeler County get?
Wheeler County receives an average of 14.4 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Wheeler County get in summer?
The average summer temperature (June-August) in Wheeler County is 63.2°F. The county experiences an average of 22 days per year above 90°F.
How cold are winters in Wheeler County?
The average winter temperature (December-February) in Wheeler County is 34.3°F. January, typically the coldest month, averages 34.1°F.

Track your own weather in Wheeler County

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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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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