Frost Dates for Moose Pass 3nw, AK

Elevation: 150 m

Frost Dates

Last Spring Frost (50%) May 31

First Fall Frost (50%) September 8

30% Probability

Last Spring Frost June 5

First Fall Frost September 2

Hard Freeze (28°F)

Last Spring Hard Freeze May 14

First Fall Hard Freeze September 22

60.50°N, 149.43°W © OpenStreetMap

Growing Season

100 Days May 31 to September 8

USDA Hardiness Zone

Zone 4b

Avg. annual minimum: −25 to −20°F

Learn more

Köppen Climate

ET Tundra

No true summer — the warmest month averages below 10°C (50°F). Growing is limited to hardy greens, root crops, and cold-frames during the brief warm period. Permafrost restricts root depth.

Köppen climate map

Temperature

0° 20° 40° 60°

16°

Jan

21°

Feb

24°

Mar

36°

Apr

45°

May

53°

Jun

56°

Jul

54°

Aug

46°

Sep

35°

Oct

24°

Nov

20°

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	24°	16°	9°
February	29°	21°	13°
March	35°	24°	14°
April	45°	36°	27°
May	55°	45°	34°
June	63°	53°	42°
July	66°	56°	47°
August	64°	54°	45°
September	55°	46°	38°
October	42°	35°	27°
November	30°	24°	17°
December	27°	20°	12°

Precipitation

0" 2" 4" 5.0"

4.6"

Jan

3.5"

Feb

3.3"

Mar

2.7"

Apr

1.9"

May

2.0"

Jun

2.9"

Jul

4.3"

Aug

5.0"

Sep

4.6"

Oct

4.7"

Nov

4.4"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	4.6
February	3.5
March	3.3
April	2.7
May	1.9
June	2.0
July	2.9
August	4.3
September	5.0
October	4.6
November	4.7
December	4.4

Sunrise / Sunset

Jan: 8:54 AM – 3:06 PM · 6h 12m

Feb: 7:39 AM – 4:21 PM · 8h 43m

Mar: 6:20 AM – 5:40 PM · 11h 20m

Apr: 4:52 AM – 7:08 PM · 14h 16m

May: 3:32 AM – 8:28 PM · 16h 56m

Jun: 2:42 AM – 9:18 PM · 18h 37m

Jul: 3:03 AM – 8:57 PM · 17h 53m

Aug: 4:17 AM – 7:43 PM · 15h 26m

Sep: 5:44 AM – 6:16 PM · 12h 31m

Oct: 7:10 AM – 4:50 PM · 9h 41m

Nov: 8:31 AM – 3:29 PM · 6h 57m

Dec: 9:19 AM – 2:41 PM · 5h 22m

Daylight Longest: 18h 41m · Shortest: 5h 20m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month	Sunrise	Sunset	Daylight
January	8:54 AM	3:06 PM	6h 12m
February	7:39 AM	4:21 PM	8h 43m
March	6:20 AM	5:40 PM	11h 20m
April	4:52 AM	7:08 PM	14h 16m
May	3:32 AM	8:28 PM	16h 56m
June	2:42 AM	9:18 PM	18h 37m
July	3:03 AM	8:57 PM	17h 53m
August	4:17 AM	7:43 PM	15h 26m
September	5:44 AM	6:16 PM	12h 31m
October	7:10 AM	4:50 PM	9h 41m
November	8:31 AM	3:29 PM	6h 57m
December	9:19 AM	2:41 PM	5h 22m

Nearby Stations

Seward 19n, AK May 21 - September 26 Cooper Lake Project, AK May 18 - September 27 Cooper Landing 5 W, AK June 12 - September 1 Seward 8 Nw, AK Seward AP, AKMay 2 - October 7 Portage Glacier V C, AK May 27 - September 12

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