Frost Dates for Homer, AK

Based on data from Homer AP weather station, 2 miles away

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. May 10
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. September 29
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.

Last Spring Frost May 16
First Fall Frost September 23

Hard Freeze (28°F)

Last Spring Hard Freeze April 23
First Fall Hard Freeze October 11
59.64°N, -151.55°W © OpenStreetMap

Growing Season

142 Days May 10 to September 29

USDA Hardiness Zone iHardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.

Zone 6b

Avg. annual minimum: −5 to 0°F (−21 to −18°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

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° 30° 50° 70°
25°
High: 32°F
Avg: 25°F
Low: 19°F
Jan
28°
High: 35°F
Avg: 28°F
Low: 22°F
Feb
30°
High: 37°F
Avg: 30°F
Low: 23°F
Mar
39°
High: 46°F
Avg: 39°F
Low: 31°F
Apr
46°
High: 54°F
Avg: 46°F
Low: 38°F
May
52°
High: 59°F
Avg: 52°F
Low: 45°F
Jun
56°
High: 63°F
Avg: 56°F
Low: 49°F
Jul
55°
High: 63°F
Avg: 55°F
Low: 48°F
Aug
50°
High: 57°F
Avg: 50°F
Low: 42°F
Sep
40°
High: 47°F
Avg: 40°F
Low: 33°F
Oct
31°
High: 38°F
Avg: 31°F
Low: 25°F
Nov
28°
High: 34°F
Avg: 28°F
Low: 21°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 3" 3.5"
2.4"
2.43"
Jan
2.2"
2.19"
Feb
2.1"
2.09"
Mar
1.6"
1.55"
Apr
1.2"
1.24"
May
1.3"
1.29"
Jun
1.9"
1.94"
Jul
2.9"
2.94"
Aug
3.5"
3.52"
Sep
3.1"
3.11"
Oct
2.9"
2.85"
Nov
2.9"
2.92"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec6.5h9h11.5h14h16.5h18.5h17.5h15.5h12.5h10h7h5.5h
Jan: 8:47 AM – 3:13 PM · 6h 27m
Feb: 7:35 AM – 4:25 PM · 8h 50m
Mar: 6:19 AM – 5:41 PM · 11h 21m
Apr: 4:54 AM – 7:06 PM · 14h 12m
May: 3:38 AM – 8:22 PM · 16h 44m
Jun: 2:51 AM – 9:09 PM · 18h 19m
Jul: 3:11 AM – 8:49 PM · 17h 38m
Aug: 4:21 AM – 7:39 PM · 15h 18m
Sep: 5:45 AM – 6:15 PM · 12h 30m
Oct: 7:07 AM – 4:53 PM · 9h 46m
Nov: 8:25 AM – 3:35 PM · 7h 09m
Dec: 9:10 AM – 2:50 PM · 5h 41m
Daylight Longest: 18h 22m · Shortest: 5h 38m

Nearby Stations

Homer 9 E, AK May 27 - September 22 Homer 8 Nw, AK May 16 - September 30 Seldovia AP, AKMay 10 - October 1 Soldotna 5ssw, AK June 11 - September 1 Sterling 6sw, AK May 20 - September 21 Kenai Muni AP, AK May 24 - September 12

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