Frost Dates for Ketchum, ID

Based on data from Ketchum Rs weather station, 0 miles away

Frost Dates

This location has year-round freezing temperatures.

43.68°N, -114.36°W © OpenStreetMap

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 5b

Avg. annual minimum: −15 to −10°F (−26 to −23°C)

Learn more

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

Dsb Warm-Summer Continental (Dry Summer)

Warm, dry summers and cold, snowy winters. Common in mountain regions. Moderate growing season with irrigation needs in summer.

Köppen climate map

Temperature

0° 20° 40° 60° 80°
20°
High: 31°F
Avg: 20°F
Low: 8°F
Jan
23°
High: 35°F
Avg: 23°F
Low: 11°F
Feb
31°
High: 43°F
Avg: 31°F
Low: 19°F
Mar
39°
High: 52°F
Avg: 39°F
Low: 27°F
Apr
48°
High: 62°F
Avg: 48°F
Low: 35°F
May
55°
High: 70°F
Avg: 55°F
Low: 40°F
Jun
63°
High: 80°F
Avg: 63°F
Low: 45°F
Jul
61°
High: 79°F
Avg: 61°F
Low: 44°F
Aug
53°
High: 69°F
Avg: 53°F
Low: 36°F
Sep
42°
High: 56°F
Avg: 42°F
Low: 28°F
Oct
29°
High: 41°F
Avg: 29°F
Low: 17°F
Nov
20°
High: 30°F
Avg: 20°F
Low: 9°F
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"
3.7"
3.70"
Jan
2.9"
2.88"
Feb
3.5"
3.54"
Mar
3.5"
3.48"
Apr
4.2"
4.19"
May
2.6"
2.63"
Jun
2.2"
2.17"
Jul
2.1"
2.13"
Aug
2.9"
2.87"
Sep
4.3"
4.32"
Oct
3.8"
3.82"
Nov
4.4"
4.43"
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: 5:24 AM – 6:36 PM · 13h 13m
May: 4:44 AM – 7:16 PM · 14h 32m
Jun: 4:23 AM – 7:37 PM · 15h 14m
Jul: 4:32 AM – 7:28 PM · 14h 57m
Aug: 5:06 AM – 6:54 PM · 13h 48m
Sep: 5:52 AM – 6:08 PM · 12h 17m
Oct: 6:37 AM – 5:23 PM · 10h 46m
Nov: 7:17 AM – 4:43 PM · 9h 25m
Dec: 7:37 AM – 4:23 PM · 8h 45m
Daylight Longest: 15h 16m · Shortest: 8h 44m

Nearby Stations

Bellevue, IDMay 13 - October 2 Picabo, IDJune 16 - September 9 Fairfield Rs, ID June 8 - September 14 Chilly Barton Flat, ID June 14 - September 8 Mackay Lost Rvr Rs, ID June 1 - September 20 Craters Of The Moon, ID June 19 - September 9

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