Frost Dates for Pima, AZ

Based on data from Safford Ag Ctr weather station, 10 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 25
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 9
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 April 3
First Fall Frost November 3

Hard Freeze (28°F)

Last Spring Hard Freeze March 3
First Fall Hard Freeze November 22
32.90°N, -109.83°W © OpenStreetMap

Growing Season

229 Days March 25 to November 9

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°
46°
High: 62°F
Avg: 46°F
Low: 30°F
Jan
50°
High: 67°F
Avg: 50°F
Low: 34°F
Feb
57°
High: 74°F
Avg: 57°F
Low: 39°F
Mar
64°
High: 83°F
Avg: 64°F
Low: 46°F
Apr
73°
High: 91°F
Avg: 73°F
Low: 54°F
May
81°
High: 100°F
Avg: 81°F
Low: 63°F
Jun
84°
High: 99°F
Avg: 84°F
Low: 69°F
Jul
83°
High: 97°F
Avg: 83°F
Low: 68°F
Aug
77°
High: 93°F
Avg: 77°F
Low: 61°F
Sep
66°
High: 84°F
Avg: 66°F
Low: 48°F
Oct
55°
High: 72°F
Avg: 55°F
Low: 37°F
Nov
46°
High: 61°F
Avg: 46°F
Low: 30°F
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 1" 2" 2.7"
2.2"
2.16"
Jan
2.1"
2.15"
Feb
1.3"
1.32"
Mar
0.0"
0.00"
Apr
0.0"
0.00"
May
0.4"
0.42"
Jun
2.3"
2.30"
Jul
2.7"
2.72"
Aug
2.5"
2.53"
Sep
2.3"
2.32"
Oct
2.2"
2.23"
Nov
2.2"
2.20"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h13.5h14h14h13h12h11h10.5h10h
Jan: 6:58 AM – 5:02 PM · 10h 04m
Feb: 6:35 AM – 5:25 PM · 10h 50m
Mar: 6:07 AM – 5:53 PM · 11h 45m
Apr: 5:35 AM – 6:25 PM · 12h 49m
May: 5:09 AM – 6:51 PM · 13h 41m
Jun: 4:55 AM – 7:05 PM · 14h 09m
Jul: 5:01 AM – 6:59 PM · 13h 58m
Aug: 5:24 AM – 6:36 PM · 13h 13m
Sep: 5:54 AM – 6:06 PM · 12h 11m
Oct: 6:25 AM – 5:35 PM · 11h 10m
Nov: 6:52 AM – 5:08 PM · 10h 16m
Dec: 7:05 AM – 4:55 PM · 9h 51m
Daylight Longest: 14h 10m · Shortest: 9h 50m

Nearby Stations

Safford Muni AP, AZ March 8 - November 20 Ft Thomas 2 Sw, AZ April 1 - November 6 Clifton, AZ February 26 - November 23 Duncan, AZApril 24 - October 25 Bowie, AZApril 1 - November 6 Willcox, AZApril 9 - October 31

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