Frost Dates for Mccall, ID
Elevation: 1532 m
Frost Dates
Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide.
June 22
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date.
September 2
30% Probability
Only 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 29
First Fall Frost
August 28
Hard Freeze (28°F)
Last Spring Hard Freeze
June 3
First Fall Hard Freeze
September 15
Growing Season
72 Days
June 22 to September 2
USDA Hardiness Zone
Hardiness 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
Köppen Climate
The 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.
Temperature
10°
30°
50°
70°
90°
Avg High
Avg Temp
Avg Low
Light Frost (32°F)
Hard Frost (28°F)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 31° | 22° | 13° |
| February | 36° | 25° | 15° |
| March | 43° | 32° | 21° |
| April | 51° | 39° | 27° |
| May | 61° | 48° | 35° |
| June | 70° | 55° | 40° |
| July | 81° | 63° | 45° |
| August | 81° | 62° | 43° |
| September | 72° | 54° | 36° |
| October | 57° | 43° | 28° |
| November | 40° | 31° | 21° |
| December | 30° | 22° | 13° |
Precipitation
0"
2"
4"
4.3"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 4.3 |
| February | 3.5 |
| March | 3.6 |
| April | 3.5 |
| May | 3.9 |
| June | 3.0 |
| July | 1.7 |
| August | 1.7 |
| September | 2.5 |
| October | 2.9 |
| November | 3.8 |
| December | 4.3 |
Sunrise / Sunset
Daylight
Longest: 15h 25m · Shortest: 8h 35m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:31 AM | 4:29 PM | 8h 57m |
| February | 6:54 AM | 5:06 PM | 10h 11m |
| March | 6:11 AM | 5:49 PM | 11h 38m |
| April | 5:22 AM | 6:38 PM | 13h 16m |
| May | 4:41 AM | 7:19 PM | 14h 38m |
| June | 4:18 AM | 7:42 PM | 15h 23m |
| July | 4:28 AM | 7:32 PM | 15h 05m |
| August | 5:03 AM | 6:57 PM | 13h 53m |
| September | 5:51 AM | 6:09 PM | 12h 18m |
| October | 6:39 AM | 5:21 PM | 10h 42m |
| November | 7:21 AM | 4:39 PM | 9h 18m |
| December | 7:42 AM | 4:18 PM | 8h 36m |
Nearby Stations
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