Frost Dates for Hagerman 2 Sw, ID

Elevation: 883 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 3
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 1

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 8
First Fall Frost September 26

Hard Freeze (28°F)

Last Spring Hard Freeze April 19
First Fall Hard Freeze October 15
42.81°N, 114.92°W © OpenStreetMap

Growing Season

151 Days May 3 to October 1

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
January38°30°22°
February45°35°25°
March55°43°31°
April62°49°35°
May72°58°44°
June82°66°50°
July92°74°56°
August91°72°53°
September81°63°44°
October66°50°35°
November50°39°27°
December38°30°22°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January2.7
February1.9
March2.1
April1.9
May2.2
June1.5
July0.0
August0.0
September1.0
October2.7
November2.7
December2.9

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 15h 10m · Shortest: 8h 51m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January8:14 AM5:24 PM9h 11m
February7:45 AM6:04 PM10h 19m
March7:60 AM7:39 PM11h 39m
April7:05 AM8:15 PM13h 11m
May6:22 AM8:49 PM14h 27m
June6:06 AM9:14 PM15h 08m
July6:20 AM9:11 PM14h 51m
August6:51 AM8:36 PM13h 45m
September7:26 AM7:42 PM12h 16m
October8:01 AM6:49 PM10h 48m
November7:40 AM5:10 PM9h 30m
December8:10 AM5:01 PM8h 52m

Nearby Stations

Buhl #2, IDApril 25 - October 15 Castleford 2 N, ID May 17 - September 29 Jerome, IDMay 2 - October 14 Glenns Ferry, IDMay 1 - October 3 Jerome Co AP, ID May 1 - October 14 Shoshone 1 Wnw, ID April 24 - October 16

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