Frost Dates for Happy Jack Rs, AZ

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. June 1
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 3
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 June 5
First Fall Frost September 29

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 17
First Fall Hard Freeze October 14
34.74°N, -111.41°W © OpenStreetMap

Growing Season

124 Days June 1 to October 3

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 6a

Learn more

Temperature

10° 30° 50° 70°
30°
High: 40°
Avg: 30°
Low: 19°
Jan
31°
High: 42°
Avg: 31°
Low: 20°
Feb
37°
High: 49°
Avg: 37°
Low: 25°
Mar
43°
High: 56°
Avg: 43°
Low: 29°
Apr
50°
High: 65°
Avg: 50°
Low: 36°
May
59°
High: 75°
Avg: 59°
Low: 43°
Jun
65°
High: 78°
Avg: 65°
Low: 51°
Jul
63°
High: 75°
Avg: 63°
Low: 51°
Aug
57°
High: 71°
Avg: 57°
Low: 44°
Sep
47°
High: 61°
Avg: 47°
Low: 34°
Oct
37°
High: 50°
Avg: 37°
Low: 25°
Nov
30°
High: 41°
Avg: 30°
Low: 19°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 3" 6" 8.3"
7.2"
7.24"
Jan
7.1"
7.08"
Feb
8.3"
8.35"
Mar
5.3"
5.29"
Apr
3.1"
3.09"
May
0.6"
0.59"
Jun
2.9"
2.88"
Jul
3.6"
3.64"
Aug
4.1"
4.14"
Sep
5.2"
5.23"
Oct
6.6"
6.64"
Nov
6.9"
6.88"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h14h14h14h13h12h11h10h10h
Jan: 7:03 AM – 4:57 PM · 9h 55m
Feb: 6:38 AM – 5:22 PM · 10h 45m
Mar: 6:08 AM – 5:52 PM · 11h 44m
Apr: 5:34 AM – 6:26 PM · 12h 53m
May: 5:05 AM – 6:55 PM · 13h 49m
Jun: 4:50 AM – 7:10 PM · 14h 19m
Jul: 4:57 AM – 7:03 PM · 14h 07m
Aug: 5:21 AM – 6:39 PM · 13h 18m
Sep: 5:54 AM – 6:06 PM · 12h 12m
Oct: 6:27 AM – 5:33 PM · 11h 06m
Nov: 6:56 AM – 5:04 PM · 10h 09m
Dec: 7:10 AM – 4:50 PM · 9h 41m
Daylight Longest: 14h 20m · Shortest: 9h 40m

Nearby Stations

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