Frost Dates for Eielson Air Force Base, AK

Based on data from Eielson Fld weather station, 1 miles away

Elevation: 545 ft

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 20
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 1
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 25
First Fall Frost August 27

Hard Freeze (28°F)

Last Spring Hard Freeze May 10
First Fall Hard Freeze September 14
64.66°N, -147.05°W © OpenStreetMap

Growing Season

104 Days May 20 to September 1

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

Avg. annual minimum: −50 to −45°F (−46 to −43°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

Köppen climate map

Temperature

-20° 10° 40° 70°
-9°
High: 0°F
Avg: -9°F
Low: -18°F
Jan
0°
High: 11°F
Avg: 0°F
Low: -11°F
Feb
11°
High: 25°F
Avg: 11°F
Low: -3°F
Mar
33°
High: 45°F
Avg: 33°F
Low: 21°F
Apr
48°
High: 61°F
Avg: 48°F
Low: 36°F
May
59°
High: 71°F
Avg: 59°F
Low: 47°F
Jun
61°
High: 72°F
Avg: 61°F
Low: 50°F
Jul
55°
High: 66°F
Avg: 55°F
Low: 44°F
Aug
44°
High: 54°F
Avg: 44°F
Low: 34°F
Sep
25°
High: 33°F
Avg: 25°F
Low: 16°F
Oct
2°
High: 10°F
Avg: 2°F
Low: -6°F
Nov
-6°
High: 3°F
Avg: -6°F
Low: -14°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 3" 3.5"
0.9"
0.93"
Jan
0.9"
0.93"
Feb
1.2"
1.24"
Mar
1.4"
1.44"
Apr
2.2"
2.18"
May
2.7"
2.72"
Jun
3.2"
3.17"
Jul
3.5"
3.45"
Aug
2.4"
2.35"
Sep
1.4"
1.37"
Oct
0.9"
0.93"
Nov
0.9"
0.93"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec4.5h8h11h14.5h18h20.5h19.5h16h12.5h9h5.5h3h
Jan: 10:39 AM – 3:16 PM · 4h 37m
Feb: 9:03 AM – 5:03 PM · 8h 01m
Mar: 8:22 AM – 7:34 PM · 11h 12m
Apr: 6:27 AM – 9:11 PM · 14h 44m
May: 4:41 AM – 10:48 PM · 18h 08m
Jun: 3:26 AM – 12:11 PM · 20h 44m
Jul: 4:08 AM – 11:40 PM · 19h 31m
Aug: 5:48 AM – 9:57 PM · 16h 10m
Sep: 7:24 AM – 8:02 PM · 12h 38m
Oct: 8:57 AM – 6:10 PM · 9h 13m
Nov: 9:42 AM – 3:25 PM · 5h 43m
Dec: 11:07 AM – 2:22 PM · 3h 15m
Daylight Alaska Time (AKT) Longest: 20h 51m · Shortest: 3h 09m

Nearby Stations

N Pole, AKMay 18 - September 5 N Pole 1n, AKMay 22 - September 2 Two Rivers, AK May 30 - September 2 Aurora, AKMay 16 - September 6 Fairbanks Midtown, AK May 13 - September 10 Ft Knox Mine, AK May 12 - September 17

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