Frost Dates for Many Farms, AZ

Based on data from Canyon De Chelly weather station, 14 miles away

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. May 6
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 8
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 May 15
First Fall Frost October 3

Hard Freeze (28°F)

Last Spring Hard Freeze April 24
First Fall Hard Freeze October 18
36.35°N, -109.62°W © OpenStreetMap

Growing Season

155 Days May 6 to October 8

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 7a

Avg. annual minimum: 0 to 5°F (−18 to −15°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

BSk Cold Semi-Arid (Steppe)

Cool to cold with low rainfall and wide temperature swings. Common in the western Great Plains and central Asia. Short growing seasons benefit from season extension techniques.

Köppen climate map

Temperature

10° 40° 70° 100°
31°
High: 44°F
Avg: 31°F
Low: 19°F
Jan
37°
High: 51°F
Avg: 37°F
Low: 24°F
Feb
45°
High: 61°F
Avg: 45°F
Low: 29°F
Mar
52°
High: 69°F
Avg: 52°F
Low: 36°F
Apr
61°
High: 79°F
Avg: 61°F
Low: 44°F
May
71°
High: 90°F
Avg: 71°F
Low: 53°F
Jun
77°
High: 93°F
Avg: 77°F
Low: 60°F
Jul
74°
High: 90°F
Avg: 74°F
Low: 59°F
Aug
66°
High: 83°F
Avg: 66°F
Low: 50°F
Sep
54°
High: 70°F
Avg: 54°F
Low: 38°F
Oct
41°
High: 56°F
Avg: 41°F
Low: 27°F
Nov
31°
High: 43°F
Avg: 31°F
Low: 20°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 3" 3.8"
3.3"
3.28"
Jan
3.0"
2.97"
Feb
3.0"
3.01"
Mar
1.6"
1.64"
Apr
0.0"
0.00"
May
0.2"
0.18"
Jun
3.1"
3.09"
Jul
2.8"
2.84"
Aug
2.6"
2.62"
Sep
3.8"
3.78"
Oct
3.3"
3.32"
Nov
3.1"
3.10"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h10.5h11.5h13h14h14.5h14h13.5h12h11h10h9.5h
Jan: 7:06 AM – 4:54 PM · 9h 48m
Feb: 6:40 AM – 5:20 PM · 10h 41m
Mar: 6:08 AM – 5:52 PM · 11h 44m
Apr: 5:32 AM – 6:28 PM · 12h 56m
May: 5:02 AM – 6:58 PM · 13h 55m
Jun: 4:47 AM – 7:13 PM · 14h 27m
Jul: 4:53 AM – 7:07 PM · 14h 14m
Aug: 5:19 AM – 6:41 PM · 13h 23m
Sep: 5:54 AM – 6:06 PM · 12h 13m
Oct: 6:28 AM – 5:32 PM · 11h 03m
Nov: 6:59 AM – 5:01 PM · 10h 02m
Dec: 7:13 AM – 4:47 PM · 9h 33m
Daylight Longest: 14h 28m · Shortest: 9h 32m

Nearby Stations

Lukachukai, AZMay 3 - October 17 Ganado, AZMay 15 - October 10 Window Rock AP, AZ May 29 - September 28 Keams Canyon, AZ May 16 - October 10 Teec Nos Pos, AZ April 11 - November 1 Gallup Muni AP, NM May 31 - September 28

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