Frost Dates for Corona de Tucson, AZ

Based on data from Green Valley 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. February 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 27
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 4
First Fall Frost November 20

Hard Freeze (28°F)

Last Spring Hard Freeze February 1
First Fall Hard Freeze December 10
31.97°N, -110.78°W © OpenStreetMap

Growing Season

276 Days February 25 to November 27

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 9a

Avg. annual minimum: 20 to 25°F (−7 to −4°C)

Learn more

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

BSh Hot Semi-Arid (Steppe)

Hot with low but not negligible rainfall. Less extreme than true desert. Dryland farming techniques and drought-tolerant varieties work well. Mulching and water conservation are key.

Köppen climate map

Temperature

30° 50° 70° 90°
52°
High: 67°F
Avg: 52°F
Low: 36°F
Jan
54°
High: 69°F
Avg: 54°F
Low: 39°F
Feb
60°
High: 76°F
Avg: 60°F
Low: 44°F
Mar
66°
High: 82°F
Avg: 66°F
Low: 50°F
Apr
75°
High: 91°F
Avg: 75°F
Low: 58°F
May
84°
High: 100°F
Avg: 84°F
Low: 68°F
Jun
86°
High: 99°F
Avg: 86°F
Low: 72°F
Jul
84°
High: 97°F
Avg: 84°F
Low: 71°F
Aug
80°
High: 94°F
Avg: 80°F
Low: 66°F
Sep
70°
High: 87°F
Avg: 70°F
Low: 54°F
Oct
60°
High: 76°F
Avg: 60°F
Low: 43°F
Nov
51°
High: 66°F
Avg: 51°F
Low: 36°F
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 2" 4" 4.6"
3.4"
3.42"
Jan
3.0"
3.05"
Feb
2.4"
2.39"
Mar
0.0"
0.00"
Apr
0.0"
0.00"
May
1.0"
0.96"
Jun
4.0"
4.00"
Jul
4.0"
3.99"
Aug
3.7"
3.74"
Sep
2.5"
2.47"
Oct
0.5"
0.51"
Nov
4.6"
4.60"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h13.5h14h14h13h12h11h10.5h10h
Jan: 6:56 AM – 5:04 PM · 10h 08m
Feb: 6:34 AM – 5:26 PM · 10h 52m
Mar: 6:07 AM – 5:53 PM · 11h 46m
Apr: 5:36 AM – 6:24 PM · 12h 47m
May: 5:11 AM – 6:49 PM · 13h 38m
Jun: 4:58 AM – 7:02 PM · 14h 04m
Jul: 5:03 AM – 6:57 PM · 13h 54m
Aug: 5:25 AM – 6:35 PM · 13h 10m
Sep: 5:54 AM – 6:06 PM · 12h 11m
Oct: 6:24 AM – 5:36 PM · 11h 12m
Nov: 6:50 AM – 5:10 PM · 10h 20m
Dec: 7:02 AM – 4:58 PM · 9h 55m
Daylight Longest: 14h 05m · Shortest: 9h 55m

Nearby Stations

Santa Rita Exp Range, AZ February 25 - December 5 Tucson Intl AP, AZ February 5 - December 9 Tumacacori Nm, AZ April 5 - November 10 Tucson Wfo, AZ January 20 - December 17 Anvil Rch, AZ March 27 - November 9 Sonoita, AZMarch 28 - November 21

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