Frost Dates for Big Delta AP, 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 17
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 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 24
First Fall Frost September 1

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 6
First Fall Hard Freeze September 20
63.99°N, -145.72°W © OpenStreetMap

Growing Season

113 Days May 17 to September 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 2b

Learn more

Temperature

-10° 10° 30° 50° 70°
-1°
High: 6°
Avg: -1°
Low: -8°
Jan
7°
High: 16°
Avg: 7°
Low: -1°
Feb
14°
High: 25°
Avg: 14°
Low: 4°
Mar
34°
High: 44°
Avg: 34°
Low: 24°
Apr
48°
High: 59°
Avg: 48°
Low: 38°
May
59°
High: 68°
Avg: 59°
Low: 49°
Jun
61°
High: 70°
Avg: 61°
Low: 52°
Jul
56°
High: 65°
Avg: 56°
Low: 47°
Aug
45°
High: 53°
Avg: 45°
Low: 36°
Sep
27°
High: 33°
Avg: 27°
Low: 20°
Oct
8°
High: 15°
Avg: 8°
Low: 1°
Nov
2°
High: 9°
Avg: 2°
Low: -5°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 2.7"
0.7"
0.66"
Jan
0.8"
0.84"
Feb
0.8"
0.80"
Mar
0.8"
0.77"
Apr
1.5"
1.52"
May
2.5"
2.46"
Jun
2.7"
2.71"
Jul
2.3"
2.28"
Aug
1.6"
1.63"
Sep
1.2"
1.23"
Oct
0.9"
0.90"
Nov
0.8"
0.83"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec5h8h11h15h18h20h19h16h13h9h6h4h
Jan: 9:32 AM – 2:28 PM · 4h 57m
Feb: 7:56 AM – 4:04 PM · 8h 08m
Mar: 6:23 AM – 5:37 PM · 11h 14m
Apr: 4:41 AM – 7:19 PM · 14h 39m
May: 3:03 AM – 8:57 PM · 17h 54m
Jun: 1:52 AM – 10:08 PM · 20h 16m
Jul: 2:24 AM – 9:36 PM · 19h 11m
Aug: 3:59 AM – 8:01 PM · 16h 02m
Sep: 5:42 AM – 6:18 PM · 12h 36m
Oct: 7:21 AM – 4:39 PM · 9h 18m
Nov: 9:02 AM – 2:58 PM · 5h 57m
Dec: 10:09 AM – 1:51 PM · 3h 43m
Daylight Longest: 20h 22m · Shortest: 3h 38m

Nearby Stations

Delta 5 Ne, AKJune 4 - August 22 Delta 6 N, AK Whitestone Farms, AK May 26 - September 2 Delta Junction 20 Se, AK June 5 - August 21 Dry Creek, AKMay 30 - August 24 Paxson, AK

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