Frost Dates for Big Lake, AK

Based on data from Whites Crossing weather station, 13 miles away

Elevation: 144 ft

Frost Dates

Last Spring Frost (50%) May 29

First Fall Frost (50%) September 7

30% Probability

Last Spring Frost June 2

First Fall Frost September 1

Hard Freeze (28°F)

Last Spring Hard Freeze May 14

First Fall Hard Freeze September 19

61.52°N, 149.95°W © OpenStreetMap

Growing Season

101 Days May 29 to September 7

USDA Hardiness Zone

Zone 3a

Avg. annual minimum: −40 to −35°F

Learn more

Köppen Climate

Dsc Subarctic (Dry Summer)

Cool, dry summers and cold winters. A rare climate found at high elevations. Very short growing season for cold-tolerant crops only.

Köppen climate map

Temperature

-10° 20° 50° 80°

7°

Jan

14°

Feb

21°

Mar

36°

Apr

48°

May

57°

Jun

60°

Jul

57°

Aug

47°

Sep

32°

Oct

15°

Nov

9°

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	16°	7°	-2°
February	26°	14°	2°
March	34°	21°	7°
April	48°	36°	23°
May	61°	48°	34°
June	69°	57°	44°
July	71°	60°	49°
August	67°	57°	46°
September	57°	47°	37°
October	41°	32°	24°
November	23°	15°	6°
December	18°	9°	0°

Precipitation

0" 2" 4" 4.7"

2.9"

Jan

3.3"

Feb

2.7"

Mar

2.9"

Apr

3.7"

May

3.3"

Jun

4.6"

Jul

4.7"

Aug

4.2"

Sep

3.9"

Oct

2.9"

Nov

2.6"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	2.9
February	3.3
March	2.7
April	2.9
May	3.7
June	3.3
July	4.6
August	4.7
September	4.2
October	3.9
November	2.9
December	2.6

Sunrise / Sunset

Jan: 10:15 AM – 4:04 PM · 5h 49m

Feb: 8:59 AM – 5:30 PM · 8h 32m

Mar: 8:31 AM – 7:49 PM · 11h 18m

Apr: 6:48 AM – 9:12 PM · 14h 24m

May: 5:19 AM – 10:33 PM · 17h 14m

Jun: 4:27 AM – 11:33 PM · 19h 06m

Jul: 4:57 AM – 11:14 PM · 18h 17m

Aug: 6:16 AM – 9:53 PM · 15h 37m

Sep: 7:38 AM – 8:11 PM · 12h 33m

Oct: 8:58 AM – 6:32 PM · 9h 34m

Nov: 9:26 AM – 4:04 PM · 6h 39m

Dec: 10:29 AM – 3:23 PM · 4h 54m

Daylight Alaska Time (AKT) Longest: 19h 10m · Shortest: 4h 51m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (Alaska Time (AKT))
Month	Sunrise	Sunset	Daylight
January	10:15 AM	4:04 PM	5h 49m
February	8:59 AM	5:30 PM	8h 32m
March	8:31 AM	7:49 PM	11h 18m
April	6:48 AM	9:12 PM	14h 24m
May	5:19 AM	10:33 PM	17h 14m
June	4:27 AM	11:33 PM	19h 06m
July	4:57 AM	11:14 PM	18h 17m
August	6:16 AM	9:53 PM	15h 37m
September	7:38 AM	8:11 PM	12h 33m
October	8:58 AM	6:32 PM	9h 34m
November	9:26 AM	4:04 PM	6h 39m
December	10:29 AM	3:23 PM	4h 54m

Nearby Stations

Willow West, AK May 15 - September 18 Anderson Lake, AK May 16 - September 23 Little Su At Hatcher Pass Brg, AK May 18 - September 18 Matanuska Exp Farm, AK May 14 - September 20 Eklutna Wtp, AK May 18 - September 20 Ben'S Farm, AK May 12 - September 20

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