Frost Dates for Ft Thomas 2 Sw, AZ
Elevation: 864 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.
April 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.
November 6
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
April 7
First Fall Frost
October 31
Hard Freeze (28°F)
Last Spring Hard Freeze
March 13
First Fall Hard Freeze
November 16
Growing Season
219 Days
April 1 to November 6
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 8a
Avg. annual minimum: 10 to 15°F
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
BSh
Hot Semi-Arid (Steppe)
Hot with low but not negligible rainfall. Less extreme than true desert. Dryland farming techniques and drought-tolerant varieties work well. Mulching and water conservation are key.
Temperature
20°
40°
60°
80°
100°
Avg High
Avg Temp
Avg Low
Light Frost (32°F)
Hard Frost (28°F)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 61° | 45° | 28° |
| February | 66° | 49° | 32° |
| March | 74° | 56° | 37° |
| April | 82° | 63° | 44° |
| May | 91° | 72° | 53° |
| June | 100° | 81° | 62° |
| July | 100° | 85° | 71° |
| August | 98° | 83° | 69° |
| September | 93° | 78° | 62° |
| October | 84° | 66° | 48° |
| November | 71° | 53° | 35° |
| December | 60° | 44° | 28° |
Precipitation
0"
2"
4"
4.8"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 4.7 |
| February | 3.7 |
| March | 1.1 |
| April | 0.0 |
| May | 0.0 |
| June | 0.1 |
| July | 3.9 |
| August | 3.9 |
| September | 3.2 |
| October | 0.0 |
| November | 2.3 |
| December | 4.8 |
Sunrise / Sunset
Daylight
Mountain Standard Time (MST)
Longest: 14h 11m · Shortest: 9h 49m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:28 AM | 5:31 PM | 10h 03m |
| February | 7:10 AM | 5:59 PM | 10h 49m |
| March | 6:37 AM | 6:22 PM | 11h 45m |
| April | 5:55 AM | 6:45 PM | 12h 49m |
| May | 5:25 AM | 7:07 PM | 13h 42m |
| June | 5:15 AM | 7:25 PM | 14h 10m |
| July | 5:26 AM | 7:25 PM | 13h 59m |
| August | 5:47 AM | 7:01 PM | 13h 13m |
| September | 6:09 AM | 6:20 PM | 12h 12m |
| October | 6:30 AM | 5:40 PM | 11h 10m |
| November | 6:57 AM | 5:13 PM | 10h 16m |
| December | 7:21 AM | 5:11 PM | 9h 50m |
Nearby Stations
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