Frost Dates for Sunrise Mtn, AZ
Elevation: 2856 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 18
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 18
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 23
First Fall Frost
September 12
Hard Freeze (28°F)
Last Spring Hard Freeze
June 6
First Fall Hard Freeze
September 29
Growing Season
92 Days
June 18 to September 18
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 5a
Avg. annual minimum: −20 to −15°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°
Avg High
Avg Temp
Avg Low
Light Frost (32°F)
Hard Frost (28°F)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 42° | 27° | 11° |
| February | 42° | 28° | 15° |
| March | 46° | 33° | 21° |
| April | 53° | 39° | 25° |
| May | 62° | 46° | 31° |
| June | 71° | 54° | 37° |
| July | 71° | 58° | 44° |
| August | 70° | 56° | 43° |
| September | 67° | 52° | 37° |
| October | 60° | 43° | 27° |
| November | 51° | 36° | 21° |
| December | 42° | 28° | 14° |
Precipitation
0"
2"
4"
5.0"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 3.7 |
| February | 4.0 |
| March | 4.3 |
| April | 3.6 |
| May | 4.3 |
| June | 3.7 |
| July | 4.4 |
| August | 5.0 |
| September | 4.1 |
| October | 4.7 |
| November | 4.8 |
| December | 4.1 |
Sunrise / Sunset
Daylight
Longest: 14h 16m · Shortest: 9h 44m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:01 AM | 4:59 PM | 9h 58m |
| February | 6:37 AM | 5:23 PM | 10h 47m |
| March | 6:08 AM | 5:52 PM | 11h 45m |
| April | 5:34 AM | 6:26 PM | 12h 51m |
| May | 5:07 AM | 6:53 PM | 13h 46m |
| June | 4:52 AM | 7:08 PM | 14h 15m |
| July | 4:58 AM | 7:02 PM | 14h 03m |
| August | 5:22 AM | 6:38 PM | 13h 16m |
| September | 5:54 AM | 6:06 PM | 12h 12m |
| October | 6:26 AM | 5:34 PM | 11h 08m |
| November | 6:54 AM | 5:06 PM | 10h 12m |
| December | 7:08 AM | 4:52 PM | 9h 45m |
Nearby Stations
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