Frost Dates for Sonoita, 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. March 28
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 21
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 7
First Fall Frost November 15

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze March 1
First Fall Hard Freeze December 2
31.68°N, -110.66°W © OpenStreetMap

Growing Season

238 Days March 28 to November 21

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 8a

Learn more

Temperature

30° 50° 70° 90°
47°
High: 60°
Avg: 47°
Low: 33°
Jan
48°
High: 61°
Avg: 48°
Low: 35°
Feb
53°
High: 68°
Avg: 53°
Low: 39°
Mar
59°
High: 74°
Avg: 59°
Low: 44°
Apr
67°
High: 82°
Avg: 67°
Low: 51°
May
76°
High: 91°
Avg: 76°
Low: 61°
Jun
77°
High: 89°
Avg: 77°
Low: 65°
Jul
75°
High: 87°
Avg: 75°
Low: 64°
Aug
72°
High: 85°
Avg: 72°
Low: 59°
Sep
64°
High: 78°
Avg: 64°
Low: 50°
Oct
55°
High: 68°
Avg: 55°
Low: 41°
Nov
46°
High: 60°
Avg: 46°
Low: 33°
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 2" 4" 4.0"
1.1"
1.11"
Jan
1.9"
1.86"
Feb
1.9"
1.85"
Mar
0.0"
0.04"
Apr
0.0"
0.00"
May
1.6"
1.61"
Jun
4.0"
4.01"
Jul
3.5"
3.54"
Aug
2.1"
2.08"
Sep
1.0"
1.03"
Oct
1.6"
1.61"
Nov
1.5"
1.49"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h14h14h14h13h12h11h10h10h
Jan: 6:56 AM – 5:04 PM · 10h 09m
Feb: 6:34 AM – 5:26 PM · 10h 53m
Mar: 6:07 AM – 5:53 PM · 11h 46m
Apr: 5:37 AM – 6:23 PM · 12h 47m
May: 5:12 AM – 6:48 PM · 13h 37m
Jun: 4:58 AM – 7:02 PM · 14h 03m
Jul: 5:04 AM – 6:56 PM · 13h 53m
Aug: 5:25 AM – 6:35 PM · 13h 10m
Sep: 5:55 AM – 6:05 PM · 12h 11m
Oct: 6:24 AM – 5:36 PM · 11h 12m
Nov: 6:49 AM – 5:11 PM · 10h 21m
Dec: 7:02 AM – 4:58 PM · 9h 56m
Daylight Longest: 14h 04m · Shortest: 9h 56m

Nearby Stations

Elgin 5 S, AZ April 18 - November 1 Canelo 1 Nw, AZ April 23 - October 30 Santa Rita Exp Range, AZ February 25 - December 5 Ft Huachuca Pioneer Airfield, AZ March 16 - November 21 Kartchner Caverns, AZ March 20 - November 15 Nogales Intl AP, AZ March 20 - November 17

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