Frost Dates for Juneau Mile 17, AK

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 29
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 20
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 4
First Fall Frost October 14

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze April 11
First Fall Hard Freeze November 7
58.41°N, -134.75°W © OpenStreetMap

Growing Season

174 Days April 29 to October 20

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 7a

Learn more

Temperature

20° 40° 60°
29°
High: 33°
Avg: 29°
Low: 25°
Jan
31°
High: 35°
Avg: 31°
Low: 27°
Feb
33°
High: 39°
Avg: 33°
Low: 28°
Mar
40°
High: 47°
Avg: 40°
Low: 34°
Apr
49°
High: 57°
Avg: 49°
Low: 41°
May
55°
High: 62°
Avg: 55°
Low: 48°
Jun
57°
High: 63°
Avg: 57°
Low: 51°
Jul
57°
High: 63°
Avg: 57°
Low: 51°
Aug
51°
High: 56°
Avg: 51°
Low: 45°
Sep
43°
High: 47°
Avg: 43°
Low: 38°
Oct
34°
High: 38°
Avg: 34°
Low: 31°
Nov
32°
High: 35°
Avg: 32°
Low: 28°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6" 7.3"
4.9"
4.91"
Jan
3.5"
3.52"
Feb
3.0"
3.00"
Mar
3.1"
3.10"
Apr
3.7"
3.68"
May
3.9"
3.88"
Jun
5.2"
5.19"
Jul
6.5"
6.54"
Aug
7.3"
7.32"
Sep
6.5"
6.45"
Oct
5.3"
5.27"
Nov
4.8"
4.85"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7h9h11h14h16h18h17h15h12h10h7h6h
Jan: 8:37 AM – 3:23 PM · 6h 46m
Feb: 7:30 AM – 4:30 PM · 8h 59m
Mar: 6:18 AM – 5:42 PM · 11h 23m
Apr: 4:57 AM – 7:03 PM · 14h 05m
May: 3:46 AM – 8:14 PM · 16h 29m
Jun: 3:02 AM – 8:58 PM · 17h 56m
Jul: 3:21 AM – 8:39 PM · 17h 19m
Aug: 4:26 AM – 7:34 PM · 15h 08m
Sep: 5:46 AM – 6:14 PM · 12h 29m
Oct: 7:04 AM – 4:56 PM · 9h 52m
Nov: 8:17 AM – 3:43 PM · 7h 25m
Dec: 8:58 AM – 3:02 PM · 6h 04m
Daylight Longest: 17h 59m · Shortest: 6h 01m

Nearby Stations

Juneau Lena Pt, AK April 11 - November 1 Auke Bay, AKApril 27 - October 18 Juneau Forecast Office, AK May 9 - October 4 Juneau Intl AP, AK May 4 - October 3 Eaglecrest Base, AK May 21 - October 1 Juneau Dwtn, AK April 20 - October 22

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