Frost Dates for Idaho Falls 16 Se, ID

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. June 9
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. September 11
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 June 16
First Fall Frost September 4

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 19
First Fall Hard Freeze September 23
43.35°N, -111.78°W © OpenStreetMap

Growing Season

94 Days June 9 to September 11

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 5a

Learn more

Temperature

10° 30° 50° 70° 90°
22°
High: 31°
Avg: 22°
Low: 14°
Jan
25°
High: 34°
Avg: 25°
Low: 15°
Feb
33°
High: 42°
Avg: 33°
Low: 24°
Mar
40°
High: 51°
Avg: 40°
Low: 29°
Apr
49°
High: 62°
Avg: 49°
Low: 37°
May
57°
High: 71°
Avg: 57°
Low: 43°
Jun
65°
High: 81°
Avg: 65°
Low: 50°
Jul
64°
High: 79°
Avg: 64°
Low: 48°
Aug
55°
High: 70°
Avg: 55°
Low: 40°
Sep
43°
High: 56°
Avg: 43°
Low: 30°
Oct
31°
High: 41°
Avg: 31°
Low: 21°
Nov
22°
High: 30°
Avg: 22°
Low: 13°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 4.4"
3.3"
3.32"
Jan
2.9"
2.86"
Feb
2.9"
2.93"
Mar
3.0"
3.03"
Apr
4.0"
4.03"
May
3.5"
3.45"
Jun
3.1"
3.10"
Jul
3.1"
3.12"
Aug
3.9"
3.92"
Sep
4.4"
4.38"
Oct
3.4"
3.35"
Nov
3.0"
2.95"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h12h13h14h15h15h14h12h11h9h9h
Jan: 7:26 AM – 4:34 PM · 9h 08m
Feb: 6:52 AM – 5:08 PM · 10h 17m
Mar: 6:11 AM – 5:49 PM · 11h 39m
Apr: 5:24 AM – 6:36 PM · 13h 12m
May: 4:45 AM – 7:15 PM · 14h 30m
Jun: 4:24 AM – 7:36 PM · 15h 12m
Jul: 4:33 AM – 7:27 PM · 14h 55m
Aug: 5:06 AM – 6:54 PM · 13h 47m
Sep: 5:52 AM – 6:08 PM · 12h 17m
Oct: 6:37 AM – 5:23 PM · 10h 47m
Nov: 7:17 AM – 4:43 PM · 9h 27m
Dec: 7:36 AM – 4:24 PM · 8h 48m
Daylight Longest: 15h 13m · Shortest: 8h 47m

Nearby Stations

Idaho Falls - Kifi, ID May 9 - October 1 Idaho Falls Fanning Fld, ID May 23 - September 20 Rigby, IDMay 9 - October 5 Swan Valley, ID Blackfoot Fire Dept, ID May 5 - October 3 Rexburg Byu Idaho, ID May 12 - September 24

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