Frost Dates for Two Rivers, 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 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. September 2
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 June 3
First Fall Frost August 25

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 16
First Fall Hard Freeze September 16
64.87°N, -146.95°W © OpenStreetMap

Growing Season

95 Days May 30 to September 2

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 2a

Learn more

Temperature

-20° 10° 40° 70°
-3°
High: 6°
Avg: -3°
Low: -13°
Jan
7°
High: 18°
Avg: 7°
Low: -5°
Feb
15°
High: 29°
Avg: 15°
Low: 1°
Mar
35°
High: 49°
Avg: 35°
Low: 22°
Apr
49°
High: 65°
Avg: 49°
Low: 34°
May
60°
High: 74°
Avg: 60°
Low: 45°
Jun
62°
High: 75°
Avg: 62°
Low: 49°
Jul
56°
High: 68°
Avg: 56°
Low: 44°
Aug
45°
High: 56°
Avg: 45°
Low: 34°
Sep
27°
High: 36°
Avg: 27°
Low: 18°
Oct
7°
High: 16°
Avg: 7°
Low: -2°
Nov
-1°
High: 9°
Avg: -1°
Low: -10°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 3.0"
1.5"
1.49"
Jan
1.4"
1.37"
Feb
1.9"
1.86"
Mar
1.8"
1.80"
Apr
1.7"
1.72"
May
2.9"
2.90"
Jun
3.0"
2.97"
Jul
2.7"
2.70"
Aug
2.6"
2.56"
Sep
2.3"
2.26"
Oct
1.5"
1.53"
Nov
1.3"
1.31"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec5h8h11h15h18h21h20h16h13h9h6h3h
Jan: 9:44 AM – 2:16 PM · 4h 31m
Feb: 8:01 AM – 3:59 PM · 7h 58m
Mar: 6:24 AM – 5:36 PM · 11h 12m
Apr: 4:37 AM – 7:23 PM · 14h 46m
May: 2:54 AM – 9:06 PM · 18h 12m
Jun: 1:33 AM – 10:27 PM · 20h 54m
Jul: 2:11 AM – 9:49 PM · 19h 37m
Aug: 3:54 AM – 8:06 PM · 16h 12m
Sep: 5:41 AM – 6:19 PM · 12h 38m
Oct: 7:25 AM – 4:35 PM · 9h 11m
Nov: 9:11 AM – 2:49 PM · 5h 38m
Dec: 10:27 AM – 1:33 PM · 3h 05m
Daylight Longest: 21h 01m · Shortest: 2h 59m

Nearby Stations

N Pole, AKMay 18 - September 5 N Pole 1n, AKMay 22 - September 2 Eielson Fld, AK May 20 - September 1 Ft Knox Mine, AK May 12 - September 17 Fairbanks 11 Ne, AK May 12 - September 16 Gilmore Creek, AK June 1 - August 28

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