Frost Dates for Anchorage Intl AP, AK

Elevation: 37 m

Frost Dates

Last Spring Frost (50%) May 5

First Fall Frost (50%) October 1

30% Probability

Last Spring Frost May 9

First Fall Frost September 26

Hard Freeze (28°F)

Last Spring Hard Freeze April 22

First Fall Hard Freeze October 10

61.17°N, 150.03°W © OpenStreetMap

Growing Season

149 Days May 5 to October 1

USDA Hardiness Zone

Zone 5b

Avg. annual minimum: −15 to −10°F

Learn more

Köppen Climate

Dsb Warm-Summer Continental (Dry Summer)

Warm, dry summers and cold, snowy winters. Common in mountain regions. Moderate growing season with irrigation needs in summer.

Köppen climate map

Temperature

10° 30° 50° 70°

17°

Jan

21°

Feb

26°

Mar

38°

Apr

48°

May

56°

Jun

60°

Jul

58°

Aug

49°

Sep

36°

Oct

24°

Nov

19°

Dec

32°F

28°F

Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Temperature table

Average monthly temperatures (°F)
Month	Avg High	Avg Temp	Avg Low
January	23°	17°	11°
February	27°	21°	15°
March	33°	26°	19°
April	45°	38°	30°
May	56°	48°	40°
June	63°	56°	48°
July	66°	60°	53°
August	64°	58°	51°
September	56°	49°	43°
October	42°	36°	31°
November	29°	24°	18°
December	25°	19°	14°

Precipitation

0" 1" 2" 3" 3.4"

1.6"

Jan

1.7"

Feb

2.0"

Mar

1.5"

Apr

1.2"

May

1.5"

Jun

2.5"

Jul

3.4"

Aug

3.2"

Sep

2.7"

Oct

2.0"

Nov

1.9"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	1.6
February	1.7
March	2.0
April	1.5
May	1.2
June	1.5
July	2.5
August	3.4
September	3.2
October	2.7
November	2.0
December	1.9

Sunrise / Sunset

Jan: 9:00 AM – 2:60 PM · 5h 60m

Feb: 7:42 AM – 4:18 PM · 8h 37m

Mar: 6:21 AM – 5:39 PM · 11h 19m

Apr: 4:50 AM – 7:10 PM · 14h 20m

May: 3:27 AM – 8:33 PM · 17h 05m

Jun: 2:34 AM – 9:26 PM · 18h 52m

Jul: 2:57 AM – 9:03 PM · 18h 06m

Aug: 4:14 AM – 7:46 PM · 15h 32m

Sep: 5:44 AM – 6:16 PM · 12h 32m

Oct: 7:12 AM – 4:48 PM · 9h 37m

Nov: 8:36 AM – 3:24 PM · 6h 47m

Dec: 9:26 AM – 2:34 PM · 5h 07m

Daylight Longest: 18h 56m · Shortest: 5h 04m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month	Sunrise	Sunset	Daylight
January	9:00 AM	2:60 PM	5h 60m
February	7:42 AM	4:18 PM	8h 37m
March	6:21 AM	5:39 PM	11h 19m
April	4:50 AM	7:10 PM	14h 20m
May	3:27 AM	8:33 PM	17h 05m
June	2:34 AM	9:26 PM	18h 52m
July	2:57 AM	9:03 PM	18h 06m
August	4:14 AM	7:46 PM	15h 32m
September	5:44 AM	6:16 PM	12h 32m
October	7:12 AM	4:48 PM	9h 37m
November	8:36 AM	3:24 PM	6h 47m
December	9:26 AM	2:34 PM	5h 07m

Nearby Stations

Anchorage Forecast Office, AK May 5 - September 29 Anchorage Lake Hood AP, AK May 1 - October 3 Anchorage Merrill Fld, AK May 1 - September 29 Campbell Creek Sci Ctr, AK May 28 - September 12 Anchorage Rabbit Creek #2, AK May 12 - September 26 Anchorage Upper De Armoun, AK May 7 - September 28

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