Frost Dates for Grand Canyon, AZ
Based on data from Grand Canyon Np 2 weather station, 1 miles away
Elevation: 6886 ft
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 1
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.
October 3
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 5
First Fall Frost
September 29
Hard Freeze (28°F)
Last Spring Hard Freeze
May 15
First Fall Hard Freeze
October 12
Growing Season
124 Days
June 1 to October 3
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 6b
Avg. annual minimum: −5 to 0°F
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dsa
Hot-Summer Continental (Dry Summer)
Hot, dry summers and cold, wet winters. A continental version of Mediterranean climate. Summer irrigation is essential; cold-hardy crops grow well in the wet season.
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 | 44° | 32° | 19° |
| February | 46° | 34° | 21° |
| March | 54° | 39° | 25° |
| April | 61° | 45° | 29° |
| May | 70° | 53° | 36° |
| June | 82° | 63° | 43° |
| July | 85° | 68° | 50° |
| August | 82° | 66° | 50° |
| September | 76° | 60° | 44° |
| October | 65° | 49° | 33° |
| November | 53° | 39° | 25° |
| December | 43° | 31° | 18° |
Precipitation
0"
2"
4"
6.0"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 4.5 |
| February | 4.5 |
| March | 6.0 |
| April | 3.7 |
| May | 0.0 |
| June | 0.0 |
| July | 3.1 |
| August | 3.1 |
| September | 3.3 |
| October | 4.1 |
| November | 3.5 |
| December | 3.5 |
Sunrise / Sunset
Daylight
Mountain Standard Time (MST)
Longest: 14h 27m · Shortest: 9h 33m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:44 AM | 5:32 PM | 9h 48m |
| February | 7:23 AM | 6:04 PM | 10h 41m |
| March | 6:46 AM | 6:30 PM | 11h 44m |
| April | 6:01 AM | 6:57 PM | 12h 55m |
| May | 5:27 AM | 7:22 PM | 13h 55m |
| June | 5:16 AM | 7:42 PM | 14h 26m |
| July | 5:27 AM | 7:41 PM | 14h 13m |
| August | 5:52 AM | 7:14 PM | 13h 22m |
| September | 6:17 AM | 6:30 PM | 12h 13m |
| October | 6:42 AM | 5:45 PM | 11h 03m |
| November | 7:12 AM | 5:15 PM | 10h 03m |
| December | 7:38 AM | 5:11 PM | 9h 34m |
Nearby Stations
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