Frost Dates for Victor, ID

Based on data from Driggs weather station, 9 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. June 13
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 9
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 20
First Fall Frost September 2

Hard Freeze (28°F)

Last Spring Hard Freeze May 22
First Fall Hard Freeze September 20
43.60°N, -111.11°W © OpenStreetMap

Growing Season

88 Days June 13 to September 9

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

Avg. annual minimum: −20 to −15°F (−29 to −26°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

Köppen climate map

Temperature

0° 30° 60° 90°
21°
High: 33°F
Avg: 21°F
Low: 9°F
Jan
24°
High: 36°F
Avg: 24°F
Low: 12°F
Feb
32°
High: 44°F
Avg: 32°F
Low: 20°F
Mar
41°
High: 54°F
Avg: 41°F
Low: 28°F
Apr
50°
High: 65°F
Avg: 50°F
Low: 35°F
May
57°
High: 73°F
Avg: 57°F
Low: 41°F
Jun
65°
High: 83°F
Avg: 65°F
Low: 48°F
Jul
64°
High: 82°F
Avg: 64°F
Low: 46°F
Aug
56°
High: 73°F
Avg: 56°F
Low: 38°F
Sep
43°
High: 58°F
Avg: 43°F
Low: 29°F
Oct
31°
High: 44°F
Avg: 31°F
Low: 19°F
Nov
22°
High: 33°F
Avg: 22°F
Low: 11°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6" 7.1"
6.6"
6.64"
Jan
5.6"
5.57"
Feb
5.5"
5.52"
Mar
6.2"
6.22"
Apr
6.7"
6.70"
May
6.0"
6.02"
Jun
5.6"
5.62"
Jul
4.8"
4.82"
Aug
6.5"
6.46"
Sep
7.1"
7.12"
Oct
6.0"
6.00"
Nov
6.7"
6.72"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10.5h11.5h13h14.5h15h15h14h12.5h11h9.5h9h
Jan: 7:27 AM – 4:33 PM · 9h 05m
Feb: 6:52 AM – 5:08 PM · 10h 16m
Mar: 6:11 AM – 5:49 PM · 11h 38m
Apr: 5:23 AM – 6:37 PM · 13h 13m
May: 4:44 AM – 7:16 PM · 14h 32m
Jun: 4:23 AM – 7:37 PM · 15h 15m
Jul: 4:31 AM – 7:29 PM · 14h 57m
Aug: 5:06 AM – 6:54 PM · 13h 49m
Sep: 5:52 AM – 6:08 PM · 12h 17m
Oct: 6:37 AM – 5:23 PM · 10h 46m
Nov: 7:18 AM – 4:42 PM · 9h 25m
Dec: 7:37 AM – 4:23 PM · 8h 45m
Daylight Longest: 15h 16m · Shortest: 8h 44m

Nearby Stations

Alta 1 Nnw, WY June 14 - September 11 Tetonia Exp Stn, ID June 15 - September 7 Moose, WYJune 20 - August 31 Moose 1 Nne, WY June 24 - August 28 Swan Valley, ID Jackson, WY

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