Frost Dates for Hayden, ID

Based on data from Coeur D'Alene weather station, 6 miles away

Elevation: 2287 ft

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. April 22
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 18
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 April 29
First Fall Frost October 12

Hard Freeze (28°F)

Last Spring Hard Freeze April 1
First Fall Hard Freeze November 1
47.77°N, -116.79°W © OpenStreetMap

Growing Season

179 Days April 22 to October 18

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 7b

Avg. annual minimum: 5 to 10°F (−15 to −12°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

20° 40° 60° 80°
31°
High: 36°F
Avg: 31°F
Low: 26°F
Jan
34°
High: 41°F
Avg: 34°F
Low: 27°F
Feb
40°
High: 48°F
Avg: 40°F
Low: 31°F
Mar
47°
High: 56°F
Avg: 47°F
Low: 37°F
Apr
55°
High: 66°F
Avg: 55°F
Low: 44°F
May
62°
High: 72°F
Avg: 62°F
Low: 51°F
Jun
70°
High: 83°F
Avg: 70°F
Low: 57°F
Jul
70°
High: 83°F
Avg: 70°F
Low: 56°F
Aug
61°
High: 74°F
Avg: 61°F
Low: 48°F
Sep
49°
High: 58°F
Avg: 49°F
Low: 39°F
Oct
38°
High: 44°F
Avg: 38°F
Low: 32°F
Nov
31°
High: 36°F
Avg: 31°F
Low: 26°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 5.9"
4.9"
4.88"
Jan
3.8"
3.79"
Feb
4.4"
4.43"
Mar
3.7"
3.68"
Apr
3.8"
3.82"
May
4.0"
3.99"
Jun
3.5"
3.48"
Jul
3.8"
3.79"
Aug
3.1"
3.13"
Sep
3.7"
3.70"
Oct
4.4"
4.40"
Nov
5.9"
5.91"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:38 AM – 4:15 PM · 8h 38m
Feb: 7:02 AM – 5:02 PM · 9h 60m
Mar: 7:09 AM – 6:44 PM · 11h 35m
Apr: 6:05 AM – 7:29 PM · 13h 24m
May: 5:16 AM – 8:11 PM · 14h 56m
Jun: 4:54 AM – 8:40 PM · 15h 46m
Jul: 5:10 AM – 8:35 PM · 15h 25m
Aug: 5:49 AM – 7:54 PM · 14h 05m
Sep: 6:32 AM – 6:51 PM · 12h 19m
Oct: 7:15 AM – 5:50 PM · 10h 34m
Nov: 7:02 AM – 4:03 PM · 9h 01m
Dec: 7:36 AM – 3:50 PM · 8h 14m
Daylight Pacific Time (PT) Longest: 15h 48m · Shortest: 8h 12m

Nearby Stations

Bayview Model Basin, ID May 22 - September 22 Spokane Felts Fld, WA April 26 - October 15 Plummer 3 Wsw, ID May 11 - October 5 Saint Maries, IDMay 3 - October 4 Kellogg, IDMay 14 - September 26 Spokane Intl AP, WA April 26 - October 12

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