Frost Dates for Shoshone 1 Wnw, ID

Elevation: 1204 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. April 24
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 16

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 1
First Fall Frost October 10

Hard Freeze (28°F)

Last Spring Hard Freeze April 9
First Fall Hard Freeze October 26
42.94°N, 114.42°W © OpenStreetMap

Growing Season

175 Days April 24 to October 16

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 6b

Avg. annual minimum: −5 to 0°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
January37°30°23°
February43°35°26°
March55°44°33°
April64°51°38°
May74°60°47°
June84°69°54°
July94°78°62°
August92°76°60°
September81°66°51°
October66°53°40°
November50°40°31°
December38°31°24°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January3.6
February2.5
March2.9
April2.5
May2.7
June1.5
July0.0
August0.0
September1.2
October3.0
November3.0
December3.4

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 15h 10m · Shortest: 8h 50m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January8:12 AM5:22 PM9h 10m
February7:43 AM6:01 PM10h 18m
March7:58 AM7:37 PM11h 39m
April7:02 AM8:13 PM13h 11m
May6:20 AM8:48 PM14h 28m
June6:03 AM9:12 PM15h 09m
July6:17 AM9:09 PM14h 52m
August6:49 AM8:35 PM13h 46m
September7:24 AM7:40 PM12h 17m
October7:59 AM6:47 PM10h 48m
November7:38 AM5:07 PM9h 29m
December8:08 AM4:59 PM8h 51m

Nearby Stations

Jerome Co AP, ID May 1 - October 14 Jerome, IDMay 2 - October 14 Richfield, ID May 24 - September 26 Twin Falls-Kmvt, ID April 30 - October 9 Hagerman 2 Sw, ID May 3 - October 1 Twin Falls 6 E, ID May 6 - October 3

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