Frost Dates for Susitna North, AK

Based on data from Talkeetna AP weather station, 13 miles away

Elevation: 1158 ft

Frost Dates

Last Spring Frost (50%) May 16

First Fall Frost (50%) September 16

30% Probability

Last Spring Frost May 22

First Fall Frost September 10

Hard Freeze (28°F)

Last Spring Hard Freeze May 5

First Fall Hard Freeze September 28

62.16°N, 149.85°W © OpenStreetMap

Growing Season

123 Days May 16 to September 16

USDA Hardiness Zone

Zone 4a

Avg. annual minimum: −30 to −25°F

Learn more

Köppen Climate

Dfc Subarctic

Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.

Köppen climate map

Temperature

0° 20° 40° 60°

14°

Jan

19°

Feb

24°

Mar

36°

Apr

48°

May

57°

Jun

60°

Jul

57°

Aug

48°

Sep

34°

Oct

21°

Nov

16°

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	22°	14°	5°
February	28°	19°	9°
March	35°	24°	12°
April	47°	36°	26°
May	59°	48°	37°
June	67°	57°	47°
July	69°	60°	51°
August	65°	57°	48°
September	56°	48°	39°
October	42°	34°	27°
November	28°	21°	13°
December	23°	16°	8°

Precipitation

0" 2" 4" 4.4"

2.2"

Jan

2.1"

Feb

2.4"

Mar

2.1"

Apr

2.2"

May

2.3"

Jun

3.5"

Jul

4.4"

Aug

4.4"

Sep

4.1"

Oct

3.1"

Nov

2.3"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	2.2
February	2.1
March	2.4
April	2.1
May	2.2
June	2.3
July	3.5
August	4.4
September	4.4
October	4.1
November	3.1
December	2.3

Sunrise / Sunset

Jan: 10:21 AM – 3:58 PM · 5h 37m

Feb: 9:02 AM – 5:28 PM · 8h 26m

Mar: 8:32 AM – 7:48 PM · 11h 17m

Apr: 6:47 AM – 9:14 PM · 14h 27m

May: 5:15 AM – 10:38 PM · 17h 24m

Jun: 4:20 AM – 11:42 PM · 19h 22m

Jul: 4:51 AM – 11:21 PM · 18h 30m

Aug: 6:13 AM – 9:56 PM · 15h 43m

Sep: 7:38 AM – 8:12 PM · 12h 34m

Oct: 9:01 AM – 6:30 PM · 9h 30m

Nov: 9:31 AM – 3:60 PM · 6h 28m

Dec: 10:38 AM – 3:15 PM · 4h 37m

Daylight Alaska Time (AKT) Longest: 19h 26m · Shortest: 4h 34m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (Alaska Time (AKT))
Month	Sunrise	Sunset	Daylight
January	10:21 AM	3:58 PM	5h 37m
February	9:02 AM	5:28 PM	8h 26m
March	8:32 AM	7:48 PM	11h 17m
April	6:47 AM	9:14 PM	14h 27m
May	5:15 AM	10:38 PM	17h 24m
June	4:20 AM	11:42 PM	19h 22m
July	4:51 AM	11:21 PM	18h 30m
August	6:13 AM	9:56 PM	15h 43m
September	7:38 AM	8:12 PM	12h 34m
October	9:01 AM	6:30 PM	9h 30m
November	9:31 AM	3:60 PM	6h 28m
December	10:38 AM	3:15 PM	4h 37m

Nearby Stations

Amber Lake, AK May 28 - September 13 Chulitna Rvr, AK Willow West, AK May 15 - September 18 Whites Crossing, AK May 29 - September 7 Skwentna, AKMay 23 - September 9 Little Su At Hatcher Pass Brg, AK May 18 - September 18

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