Frost Dates for Sells, AZ

Based on data from Kitt Peak weather station, 17 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. April 26
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 4
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 4
First Fall Frost October 28

Hard Freeze (28°F)

Last Spring Hard Freeze April 7
First Fall Hard Freeze November 17
31.91°N, -111.88°W © OpenStreetMap

Growing Season

192 Days April 26 to November 4

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

Avg. annual minimum: 10 to 15°F (−12 to −9°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°
42°
High: 51°F
Avg: 42°F
Low: 34°F
Jan
43°
High: 51°F
Avg: 43°F
Low: 34°F
Feb
47°
High: 56°F
Avg: 47°F
Low: 37°F
Mar
52°
High: 63°F
Avg: 52°F
Low: 42°F
Apr
60°
High: 71°F
Avg: 60°F
Low: 49°F
May
70°
High: 80°F
Avg: 70°F
Low: 59°F
Jun
71°
High: 80°F
Avg: 71°F
Low: 61°F
Jul
69°
High: 79°F
Avg: 69°F
Low: 60°F
Aug
66°
High: 75°F
Avg: 66°F
Low: 57°F
Sep
58°
High: 68°F
Avg: 58°F
Low: 49°F
Oct
49°
High: 58°F
Avg: 49°F
Low: 40°F
Nov
42°
High: 50°F
Avg: 42°F
Low: 34°F
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 2" 4" 6" 6.1"
5.5"
5.52"
Jan
5.4"
5.43"
Feb
4.6"
4.59"
Mar
0.0"
0.00"
Apr
0.0"
0.00"
May
1.2"
1.24"
Jun
5.6"
5.60"
Jul
5.1"
5.11"
Aug
4.5"
4.50"
Sep
1.6"
1.61"
Oct
2.4"
2.39"
Nov
6.1"
6.07"
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 48m
May: 5:11 AM – 6:49 PM · 13h 38m
Jun: 4:58 AM – 7:02 PM · 14h 05m
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 06m · Shortest: 9h 54m

Nearby Stations

Anvil Rch, AZ March 27 - November 9 Tucson 17 Nw, AZ February 23 - December 6 Tucson 11 W, AZ February 8 - December 10 Sasabe, AZMarch 21 - November 20 Green Valley, AZ February 25 - November 27 Tucson Intl AP, AZ February 5 - December 9

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