Frost Dates for Haines, AK

Based on data from Haines #2 weather station, 0 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. April 30
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. October 7
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 5
First Fall Frost October 1

Hard Freeze (28°F)

Last Spring Hard Freeze April 15
First Fall Hard Freeze October 24
59.24°N, -135.45°W © OpenStreetMap

Growing Season

160 Days April 30 to October 7

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.

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

10° 30° 50° 70°
24°
High: 29°F
Avg: 24°F
Low: 18°F
Jan
27°
High: 32°F
Avg: 27°F
Low: 21°F
Feb
30°
High: 37°F
Avg: 30°F
Low: 24°F
Mar
40°
High: 48°F
Avg: 40°F
Low: 33°F
Apr
50°
High: 59°F
Avg: 50°F
Low: 41°F
May
56°
High: 64°F
Avg: 56°F
Low: 48°F
Jun
58°
High: 65°F
Avg: 58°F
Low: 51°F
Jul
57°
High: 63°F
Avg: 57°F
Low: 50°F
Aug
50°
High: 56°F
Avg: 50°F
Low: 44°F
Sep
41°
High: 46°F
Avg: 41°F
Low: 36°F
Oct
30°
High: 35°F
Avg: 30°F
Low: 25°F
Nov
26°
High: 30°F
Avg: 26°F
Low: 22°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 3" 6" 8.1"
7.9"
7.93"
Jan
5.8"
5.80"
Feb
5.1"
5.07"
Mar
3.4"
3.37"
Apr
2.8"
2.82"
May
2.1"
2.15"
Jun
2.3"
2.34"
Jul
3.2"
3.16"
Aug
4.7"
4.74"
Sep
6.7"
6.67"
Oct
7.2"
7.23"
Nov
8.1"
8.05"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec6.5h9h11.5h14h16.5h18h17.5h15h12.5h10h7h6h
Jan: 8:43 AM – 3:17 PM · 6h 33m
Feb: 7:34 AM – 4:26 PM · 8h 53m
Mar: 6:19 AM – 5:41 PM · 11h 22m
Apr: 4:55 AM – 7:05 PM · 14h 09m
May: 3:41 AM – 8:19 PM · 16h 39m
Jun: 2:54 AM – 9:06 PM · 18h 11m
Jul: 3:14 AM – 8:46 PM · 17h 32m
Aug: 4:23 AM – 7:37 PM · 15h 15m
Sep: 5:45 AM – 6:15 PM · 12h 30m
Oct: 7:06 AM – 4:54 PM · 9h 48m
Nov: 8:23 AM – 3:37 PM · 7h 15m
Dec: 9:06 AM – 2:54 PM · 5h 48m
Daylight Longest: 18h 14m · Shortest: 5h 46m

Nearby Stations

Haines AP, AK April 25 - October 12 Skagway AP, AK April 21 - October 17 Skagway, AKMay 6 - October 1 Haines 40nw, AK May 24 - September 20 Pleasant Camp, BC May 27 - September 11 Glacier Bay, AKMay 6 - October 10

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