Frost Dates for Mormon Flat, AZ

Elevation: 520 m

Frost Dates

Last Spring Frost (50%) January 29

First Fall Frost (50%) December 24

30% Probability

Last Spring Frost February 6

First Fall Frost December 15

Hard Freeze (28°F)

Last Spring Hard Freeze January 10

First Fall Hard Freeze January 2

33.55°N, 111.44°W © OpenStreetMap

Growing Season

330 Days January 29 to December 24

USDA Hardiness Zone

Zone 9b

Avg. annual minimum: 25 to 30°F

Learn more

Köppen Climate

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

40° 60° 80° 100°

56°

Jan

58°

Feb

64°

Mar

70°

Apr

79°

May

88°

Jun

93°

Jul

91°

Aug

86°

Sep

76°

Oct

63°

Nov

55°

Dec

Avg High Avg Temp Avg Low

Temperature table

Average monthly temperatures (°F)
Month	Avg High	Avg Temp	Avg Low
January	68°	56°	44°
February	70°	58°	45°
March	77°	64°	50°
April	85°	70°	55°
May	94°	79°	64°
June	104°	88°	73°
July	106°	93°	80°
August	104°	91°	79°
September	98°	86°	74°
October	89°	76°	63°
November	75°	63°	52°
December	65°	55°	44°

Precipitation

0" 2" 4" 6" 7.4"

5.6"

Jan

5.1"

Feb

7.4"

Mar

0.2"

Apr

0.0"

May

0.0"

Jun

3.0"

Jul

6.3"

Aug

2.2"

Sep

0.0"

Oct

0.0"

Nov

6.8"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	5.6
February	5.1
March	7.4
April	0.2
May	0.0
June	0.0
July	3.0
August	6.3
September	2.2
October	0.0
November	0.0
December	6.8

Sunrise / Sunset

Jan: 6:60 AM – 5:00 PM · 10h 00m

Feb: 6:36 AM – 5:24 PM · 10h 48m

Mar: 6:07 AM – 5:53 PM · 11h 45m

Apr: 5:35 AM – 6:25 PM · 12h 51m

May: 5:08 AM – 6:52 PM · 13h 44m

Jun: 4:54 AM – 7:06 PM · 14h 13m

Jul: 4:59 AM – 7:01 PM · 14h 01m

Aug: 5:23 AM – 6:37 PM · 13h 15m

Sep: 5:54 AM – 6:06 PM · 12h 12m

Oct: 6:26 AM – 5:34 PM · 11h 08m

Nov: 6:53 AM – 5:07 PM · 10h 13m

Dec: 7:07 AM – 4:53 PM · 9h 47m

Daylight Longest: 14h 14m · Shortest: 9h 46m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month	Sunrise	Sunset	Daylight
January	6:60 AM	5:00 PM	10h 00m
February	6:36 AM	5:24 PM	10h 48m
March	6:07 AM	5:53 PM	11h 45m
April	5:35 AM	6:25 PM	12h 51m
May	5:08 AM	6:52 PM	13h 44m
June	4:54 AM	7:06 PM	14h 13m
July	4:59 AM	7:01 PM	14h 01m
August	5:23 AM	6:37 PM	13h 15m
September	5:54 AM	6:06 PM	12h 12m
October	6:26 AM	5:34 PM	11h 08m
November	6:53 AM	5:07 PM	10h 13m
December	7:07 AM	4:53 PM	9h 47m

Nearby Stations

Stewart Mtn Dam, AZ February 13 - December 5 Apache Junction 5 Ne, AZ February 11 - December 10 E Mesa, AZ February 1 - December 10 Fountain Hills, AZ January 6 - December 28 Roosevelt 1 S, AZ January 17 - December 25 Punkin Ctr, AZ March 7 - November 20

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