Frost Dates for Congress, AZ

Based on data from Wickenburg 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. March 7
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. November 20
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 March 18
First Fall Frost November 14

Hard Freeze (28°F)

Last Spring Hard Freeze February 14
First Fall Hard Freeze December 2
34.16°N, -112.85°W © OpenStreetMap

Growing Season

258 Days March 7 to November 20

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 8b

Avg. annual minimum: 15 to 20°F (−9 to −7°C)

Learn more

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

BWh Hot Desert

Very hot and extremely dry with minimal rainfall. Irrigation is essential for any gardening. Heat-tolerant crops and desert-adapted plants thrive; shade structures help in peak summer.

Köppen climate map

Temperature

30° 50° 70° 90° 110°
50°
High: 65°F
Avg: 50°F
Low: 34°F
Jan
52°
High: 68°F
Avg: 52°F
Low: 36°F
Feb
58°
High: 75°F
Avg: 58°F
Low: 41°F
Mar
64°
High: 82°F
Avg: 64°F
Low: 46°F
Apr
72°
High: 91°F
Avg: 72°F
Low: 53°F
May
81°
High: 101°F
Avg: 81°F
Low: 62°F
Jun
88°
High: 104°F
Avg: 88°F
Low: 73°F
Jul
87°
High: 102°F
Avg: 87°F
Low: 72°F
Aug
80°
High: 96°F
Avg: 80°F
Low: 64°F
Sep
68°
High: 86°F
Avg: 68°F
Low: 51°F
Oct
57°
High: 74°F
Avg: 57°F
Low: 40°F
Nov
49°
High: 64°F
Avg: 49°F
Low: 33°F
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 2" 4" 6" 7.4"
5.5"
5.54"
Jan
7.4"
7.42"
Feb
5.3"
5.32"
Mar
0.0"
0.00"
Apr
0.0"
0.00"
May
0.0"
0.00"
Jun
4.3"
4.29"
Jul
6.8"
6.82"
Aug
2.6"
2.65"
Sep
0.0"
0.00"
Oct
0.0"
0.00"
Nov
2.4"
2.41"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h11.5h13h14h14.5h14h13.5h12h11h10h9.5h
Jan: 7:01 AM – 4:59 PM · 9h 58m
Feb: 6:37 AM – 5:23 PM · 10h 47m
Mar: 6:08 AM – 5:52 PM · 11h 45m
Apr: 5:34 AM – 6:26 PM · 12h 51m
May: 5:07 AM – 6:53 PM · 13h 46m
Jun: 4:52 AM – 7:08 PM · 14h 15m
Jul: 4:58 AM – 7:02 PM · 14h 03m
Aug: 5:22 AM – 6:38 PM · 13h 16m
Sep: 5:54 AM – 6:06 PM · 12h 12m
Oct: 6:26 AM – 5:34 PM · 11h 08m
Nov: 6:54 AM – 5:06 PM · 10h 12m
Dec: 7:08 AM – 4:52 PM · 9h 45m
Daylight Longest: 14h 16m · Shortest: 9h 44m

Nearby Stations

Wittmann 1se, AZ February 5 - December 11 Castle Hot Springs, AZ January 15 - December 22 Aguila, AZMarch 17 - November 19 Youngtown, AZ January 20 - December 15 Litchfield Park, AZ January 7 - December 24 Cordes, AZApril 5 - November 17

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