Frost Dates for Heyburn, ID

Based on data from Burley Muni AP weather station, 1 miles away

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. May 7
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 4
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly 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 12
First Fall Frost September 29

Hard Freeze (28°F)

Last Spring Hard Freeze April 21
First Fall Hard Freeze October 17
42.56°N, -113.76°W © OpenStreetMap

Growing Season

150 Days May 7 to October 4

USDA Hardiness Zone iHardiness 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 (−21 to −18°C)

Learn more

Köppen Climate iThe 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

20° 40° 60° 80°
29°
High: 37°F
Avg: 29°F
Low: 21°F
Jan
33°
High: 43°F
Avg: 33°F
Low: 24°F
Feb
41°
High: 53°F
Avg: 41°F
Low: 30°F
Mar
47°
High: 60°F
Avg: 47°F
Low: 35°F
Apr
56°
High: 69°F
Avg: 56°F
Low: 43°F
May
63°
High: 78°F
Avg: 63°F
Low: 49°F
Jun
72°
High: 88°F
Avg: 72°F
Low: 55°F
Jul
70°
High: 87°F
Avg: 70°F
Low: 53°F
Aug
61°
High: 77°F
Avg: 61°F
Low: 45°F
Sep
49°
High: 63°F
Avg: 49°F
Low: 36°F
Oct
38°
High: 48°F
Avg: 38°F
Low: 27°F
Nov
29°
High: 37°F
Avg: 29°F
Low: 21°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 2.6"
1.8"
1.83"
Jan
1.4"
1.43"
Feb
1.9"
1.86"
Mar
2.1"
2.07"
Apr
2.6"
2.61"
May
2.2"
2.18"
Jun
0.5"
0.50"
Jul
1.8"
1.82"
Aug
2.6"
2.56"
Sep
2.1"
2.15"
Oct
1.8"
1.80"
Nov
1.9"
1.91"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10.5h11.5h13h14.5h15h15h13.5h12.5h11h9.5h9h
Jan: 7:24 AM – 4:36 PM · 9h 13m
Feb: 6:50 AM – 5:10 PM · 10h 20m
Mar: 6:10 AM – 5:50 PM · 11h 39m
Apr: 5:25 AM – 6:35 PM · 13h 10m
May: 4:47 AM – 7:13 PM · 14h 26m
Jun: 4:27 AM – 7:33 PM · 15h 06m
Jul: 4:35 AM – 7:25 PM · 14h 50m
Aug: 5:08 AM – 6:52 PM · 13h 44m
Sep: 5:52 AM – 6:08 PM · 12h 16m
Oct: 6:36 AM – 5:24 PM · 10h 49m
Nov: 7:14 AM – 4:46 PM · 9h 31m
Dec: 7:33 AM – 4:27 PM · 8h 53m
Daylight Longest: 15h 08m · Shortest: 8h 52m

Nearby Stations

Paul 1ene, IDMay 6 - October 6 Minidoka Dam, ID May 16 - October 1 Hazelton, IDMay 7 - October 5 Oakley, IDMay 15 - October 2 Malta, IDJune 5 - September 13 Malta 4 Ese, ID June 1 - September 19

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