Frost Dates for Mammoth, AZ

Based on data from San Manuel weather station, 8 miles away

Elevation: 2359 ft

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 4
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. December 8
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 February 16
First Fall Frost December 1

Hard Freeze (28°F)

Last Spring Hard Freeze January 10
First Fall Hard Freeze December 22
32.72°N, -110.64°W © OpenStreetMap

Growing Season

308 Days February 4 to December 8

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.

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°
49°
High: 60°F
Avg: 49°F
Low: 38°F
Jan
52°
High: 64°F
Avg: 52°F
Low: 41°F
Feb
58°
High: 71°F
Avg: 58°F
Low: 46°F
Mar
65°
High: 79°F
Avg: 65°F
Low: 51°F
Apr
74°
High: 88°F
Avg: 74°F
Low: 59°F
May
83°
High: 97°F
Avg: 83°F
Low: 69°F
Jun
84°
High: 97°F
Avg: 84°F
Low: 72°F
Jul
82°
High: 94°F
Avg: 82°F
Low: 71°F
Aug
78°
High: 90°F
Avg: 78°F
Low: 66°F
Sep
69°
High: 80°F
Avg: 69°F
Low: 57°F
Oct
57°
High: 69°F
Avg: 57°F
Low: 45°F
Nov
49°
High: 59°F
Avg: 49°F
Low: 38°F
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 2" 4" 5.3"
4.1"
4.14"
Jan
3.8"
3.81"
Feb
3.2"
3.16"
Mar
0.0"
0.00"
Apr
0.0"
0.00"
May
1.1"
1.08"
Jun
3.8"
3.83"
Jul
4.4"
4.44"
Aug
4.2"
4.18"
Sep
2.0"
2.01"
Oct
2.3"
2.30"
Nov
5.3"
5.30"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h13.5h14h14h13h12h11h10.5h10h
Jan: 7:30 AM – 5:34 PM · 10h 05m
Feb: 7:12 AM – 6:02 PM · 10h 50m
Mar: 6:39 AM – 6:25 PM · 11h 46m
Apr: 5:58 AM – 6:47 PM · 12h 49m
May: 5:28 AM – 7:09 PM · 13h 41m
Jun: 5:19 AM – 7:27 PM · 14h 08m
Jul: 5:30 AM – 7:27 PM · 13h 57m
Aug: 5:51 AM – 7:03 PM · 13h 12m
Sep: 6:11 AM – 6:23 PM · 12h 11m
Oct: 6:32 AM – 5:43 PM · 11h 10m
Nov: 6:59 AM – 5:16 PM · 10h 17m
Dec: 7:22 AM – 5:14 PM · 9h 52m
Daylight Mountain Standard Time (MST) Longest: 14h 09m · Shortest: 9h 51m

Nearby Stations

Oracle Sp, AZ March 29 - November 13 Oracle 2 Se, AZ March 23 - November 22 Mt Lemmon Willow Canyon, AZ April 1 - November 19 Catalina Sp, AZ April 2 - November 11 Tohono Chul, AZ February 26 - December 4 Cascabel, AZApril 24 - October 31

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