Frost Dates for Madras 2 N, OR

Elevation: 745 m

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. May 19
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 4

30% Probability

Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost May 28
First Fall Frost September 28

Hard Freeze (28°F)

Last Spring Hard Freeze May 2
First Fall Hard Freeze October 17
44.66°N, 121.15°W © OpenStreetMap

Growing Season

138 Days May 19 to October 4

USDA Hardiness Zone

Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.
Zone 7a

Avg. annual minimum: 0 to 5°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
BSk Cold Semi-Arid (Steppe)

Cool to cold with low rainfall and wide temperature swings. Common in the western Great Plains and central Asia. Short growing seasons benefit from season extension techniques.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January43°34°24°
February46°36°25°
March54°41°28°
April61°46°31°
May69°54°39°
June77°61°44°
July87°68°50°
August86°68°50°
September78°60°43°
October63°49°35°
November49°39°28°
December41°32°23°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January3.1
February2.7
March2.5
April2.4
May3.0
June2.9
July1.0
August0.0
September0.7
October2.5
November2.7
December3.1

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 15h 23m · Shortest: 8h 37m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January7:44 AM4:43 PM8h 59m
February7:13 AM5:25 PM10h 12m
March7:25 AM7:03 PM11h 38m
April6:27 AM7:43 PM13h 15m
May5:42 AM8:19 PM14h 37m
June5:24 AM8:46 PM15h 22m
July5:38 AM8:42 PM15h 03m
August6:13 AM8:05 PM13h 52m
September6:50 AM7:08 PM12h 18m
October7:28 AM6:11 PM10h 43m
November7:10 AM4:29 PM9h 19m
December7:41 AM4:19 PM8h 38m

Nearby Stations

Pelton Dam, ORMay 5 - October 7 Madras, OR Grizzly, OR Antelope 6 Ssw, OR May 22 - October 3 Redmond Roberts Fld, OR June 9 - September 14 Prineville, OR June 1 - September 22

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