Frost Dates for College 5 Nw, 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. May 13
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 15
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 19
First Fall Frost September 8

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 5
First Fall Hard Freeze September 25
64.92°N, -147.88°W © OpenStreetMap

Growing Season

125 Days May 13 to September 15

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 3a

Learn more

Temperature

-10° 20° 50° 80°
0°
High: 7°
Avg: 0°
Low: -6°
Jan
8°
High: 16°
Avg: 8°
Low: 0°
Feb
15°
High: 25°
Avg: 15°
Low: 5°
Mar
34°
High: 44°
Avg: 34°
Low: 23°
Apr
49°
High: 60°
Avg: 49°
Low: 38°
May
59°
High: 70°
Avg: 59°
Low: 49°
Jun
61°
High: 71°
Avg: 61°
Low: 52°
Jul
55°
High: 65°
Avg: 55°
Low: 46°
Aug
45°
High: 54°
Avg: 45°
Low: 37°
Sep
27°
High: 34°
Avg: 27°
Low: 21°
Oct
10°
High: 16°
Avg: 10°
Low: 4°
Nov
4°
High: 10°
Avg: 4°
Low: -2°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 2.6"
1.2"
1.24"
Jan
1.1"
1.08"
Feb
1.0"
0.98"
Mar
1.4"
1.38"
Apr
1.3"
1.31"
May
2.0"
2.05"
Jun
2.6"
2.62"
Jul
2.5"
2.48"
Aug
2.1"
2.09"
Sep
1.6"
1.59"
Oct
1.3"
1.27"
Nov
1.2"
1.24"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec4h8h11h15h18h21h20h16h13h9h6h3h
Jan: 9:45 AM – 2:15 PM · 4h 30m
Feb: 8:01 AM – 3:59 PM · 7h 57m
Mar: 6:24 AM – 5:36 PM · 11h 12m
Apr: 4:37 AM – 7:23 PM · 14h 46m
May: 2:53 AM – 9:07 PM · 18h 13m
Jun: 1:32 AM – 10:28 PM · 20h 57m
Jul: 2:10 AM – 9:50 PM · 19h 39m
Aug: 3:54 AM – 8:06 PM · 16h 13m
Sep: 5:41 AM – 6:19 PM · 12h 38m
Oct: 7:25 AM – 4:35 PM · 9h 10m
Nov: 9:12 AM – 2:48 PM · 5h 37m
Dec: 10:29 AM – 1:31 PM · 3h 02m
Daylight Longest: 21h 04m · Shortest: 2h 56m

Nearby Stations

Ester 5ne, AK Goldstream Creek, AK College Obsy, AK May 18 - September 6 University Exp Stn, AK May 16 - September 8 Aurora, AKMay 16 - September 6 Fairbanks Midtown, AK May 13 - September 10

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