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Josephine County Climate

Josephine County, Oregon

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec53.1°AVG °F

Avg Annual Temp

53.1°F

Annual Precip

41.3"

Annual Snowfall

4.8"

Extreme Heat Days

44

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
7.2"
5.4"
5.2"
2.9"
1.8"
0.8"
0.3"
0.3"
0.7"
2.6"
5.6"
8.6"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

8b

Minimum winter temperature range for plant survival

Growing Degree Days

2,631

Supports most vegetables & fruits

Last spring frost (32°F): 05/01
First fall frost (32°F): 10/28

Seasonal Overview

Comfort ZoneSpring45°57°9.9"Summer63°70°1.3"Fall44°64°8.9"Winter39°42°21.2"20°40°60°80°100°

National Comparison

Warmer than 44% of US counties
Wetter than 49% of US counties
More seasonal variation than 6% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Josephine County

Climate Verdict

Josephine County has a mild, with an average annual temperature of 53.1°F, moderately wet with 41.3 inches of annual precipitation, occasional hot days — 43.666666666666664 per year above 90°F, light snow averaging 4.8 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are mild, with January temperatures averaging 40.1°F. summers are warm — July averages 70.5°F. The 30°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 Josephine County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.

Regional Context

Josephine County closely matches the Oregon statewide average temperature of 50.5°F, it is somewhat wetter than average for Oregon, the county experiences 20.328752243127244 more extreme heat days than the state average.

Climate Profile

About Josephine County Weather

Josephine County Matches the National Median Temperature

With an average annual temperature of 53.1°F, Josephine County sits right at the national median. This mediterranean climate remains mild compared to the broader United States.

Warmer and Wetter Than the Oregon Average

The county's 53.1°F average temperature makes it significantly warmer than the state average of 50.5°F. It also receives 41.3 inches of annual precipitation, outpacing the Oregon average of 37.4 inches.

Southern Oregon's Warm Interior Basin

Josephine is warmer than neighboring Klamath County, which averages just 43.8°F. While Lane County to the north shares a similar 52.6°F average, Josephine experiences more intense summer peaks.

Hot Summers and Mild Snowfall

Summer temperatures average 67.6°F, but the county faces 44 extreme heat days above 90°F annually. Winters remain manageable with an average temperature of 40.5°F and only 4.8 inches of snow.

Prepare for Extended Summer Heat Waves

Residents should invest in high-efficiency cooling systems to handle the 44 days of extreme heat each year. While heavy snow gear isn't vital, reliable rain protection is necessary for the 41.3 inches of annual rainfall.

Frequently Asked Questions

What is the average temperature in Josephine County?
The average annual temperature in Josephine County, OR is 53.1°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Josephine County get?
Josephine County receives an average of 41.3 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Josephine County?
Yes, Josephine County receives an average of 4.8 inches of snowfall per year according to NOAA climate normals.
How hot does Josephine County get in summer?
The average summer temperature (June-August) in Josephine County is 67.6°F. The county experiences an average of 44 days per year above 90°F.
How cold are winters in Josephine County?
The average winter temperature (December-February) in Josephine County is 40.5°F. January, typically the coldest month, averages 40.1°F.

Track your own weather in Josephine 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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