Frost Dates for Nikiski, AK

Based on data from Kenai 9n weather station, 2 miles away

Elevation: 131 ft

Frost Dates

Last Spring Frost (50%) May 18

First Fall Frost (50%) September 22

30% Probability

Last Spring Frost May 24

First Fall Frost September 17

Hard Freeze (28°F)

Last Spring Hard Freeze May 5

First Fall Hard Freeze October 2

60.69°N, 151.29°W © OpenStreetMap

Growing Season

127 Days May 18 to September 22

USDA Hardiness Zone

Zone 4b

Avg. annual minimum: −25 to −20°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

0° 20° 40° 60°

15°

Jan

19°

Feb

23°

Mar

35°

Apr

45°

May

53°

Jun

56°

Jul

55°

Aug

47°

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	22°	15°	8°
February	28°	19°	11°
March	33°	23°	14°
April	44°	35°	27°
May	55°	45°	35°
June	61°	53°	44°
July	63°	56°	49°
August	62°	55°	47°
September	55°	47°	39°
October	43°	36°	28°
November	31°	24°	18°
December	26°	19°	12°

Precipitation

0" 1" 2" 3" 3.6"

1.6"

Jan

1.2"

Feb

1.2"

Mar

1.5"

Apr

1.6"

May

1.9"

Jun

2.7"

Jul

3.6"

Aug

3.5"

Sep

3.0"

Oct

2.1"

Nov

1.6"

Dec

Precipitation table

Average monthly precipitation (inches)
Month	Precipitation
January	1.6
February	1.2
March	1.2
April	1.5
May	1.6
June	1.9
July	2.7
August	3.6
September	3.5
October	3.0
November	2.1
December	1.6

Sunrise / Sunset

Jan: 10:10 AM – 4:19 PM · 6h 09m

Feb: 8:59 AM – 5:40 PM · 8h 41m

Mar: 8:35 AM – 7:55 PM · 11h 20m

Apr: 6:57 AM – 9:14 PM · 14h 17m

May: 5:32 AM – 10:31 PM · 16h 58m

Jun: 4:45 AM – 11:26 PM · 18h 41m

Jul: 5:13 AM – 11:09 PM · 17h 56m

Aug: 6:26 AM – 9:53 PM · 15h 27m

Sep: 7:44 AM – 8:16 PM · 12h 32m

Oct: 9:01 AM – 6:40 PM · 9h 40m

Nov: 9:23 AM – 4:18 PM · 6h 55m

Dec: 10:22 AM – 3:40 PM · 5h 19m

Daylight Alaska Time (AKT) Longest: 18h 44m · Shortest: 5h 16m

Sunrise and sunset table

Sunrise, sunset, and daylight on the 15th of each month (Alaska Time (AKT))
Month	Sunrise	Sunset	Daylight
January	10:10 AM	4:19 PM	6h 09m
February	8:59 AM	5:40 PM	8h 41m
March	8:35 AM	7:55 PM	11h 20m
April	6:57 AM	9:14 PM	14h 17m
May	5:32 AM	10:31 PM	16h 58m
June	4:45 AM	11:26 PM	18h 41m
July	5:13 AM	11:09 PM	17h 56m
August	6:26 AM	9:53 PM	15h 27m
September	7:44 AM	8:16 PM	12h 32m
October	9:01 AM	6:40 PM	9h 40m
November	9:23 AM	4:18 PM	6h 55m
December	10:22 AM	3:40 PM	5h 19m

Nearby Stations

Kenai Muni AP, AK May 24 - September 12 Soldotna 5ssw, AK June 11 - September 1 Sterling 6sw, AK May 20 - September 21 Kenai 29 Ene, AK June 1 - September 8 Big River Lakes, AK May 7 - October 7 Anchorage Intl AP, AK May 5 - October 1

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