Frost Dates for Old Crow A, YT

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. June 4
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. August 9
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 11
First Fall Frost July 30

Hard Freeze (−2°C)

Last Spring Hard Freeze May 24
First Fall Hard Freeze September 4
67.57°N, -139.83°W © OpenStreetMap

Growing Season

66 Days June 4 to August 9

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 1a

Avg. annual minimum: −60 to −55°F (−51 to −48°C)

Learn more

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

Dsc Subarctic (Dry Summer)

Cool, dry summers and cold winters. A rare climate found at high elevations. Very short growing season for cold-tolerant crops only.

Köppen climate map

Temperature

-35° -20° -5° 10° 25°
-29°
High: -24°C
Avg: -29°C
Low: -34°C
Jan
-26°
High: -21°C
Avg: -26°C
Low: -31°C
Feb
-21°
High: -15°C
Avg: -21°C
Low: -28°C
Mar
-9°
High: -3°C
Avg: -9°C
Low: -16°C
Apr
4°
High: 9°C
Avg: 4°C
Low: -2°C
May
13°
High: 19°C
Avg: 13°C
Low: 7°C
Jun
15°
High: 20°C
Avg: 15°C
Low: 9°C
Jul
11°
High: 16°C
Avg: 11°C
Low: 6°C
Aug
3°
High: 8°C
Avg: 3°C
Low: -1°C
Sep
-9°
High: -5°C
Avg: -9°C
Low: -12°C
Oct
-22°
High: -18°C
Avg: -22°C
Low: -26°C
Nov
-25°
High: -21°C
Avg: -25°C
Low: -30°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 20 mm 40 mm 60 mm
3 mm
2.5 mm
Jan
0 mm
0.0 mm
Feb
0 mm
0.0 mm
Mar
0 mm
0.0 mm
Apr
5 mm
5.1 mm
May
33 mm
33.0 mm
Jun
46 mm
45.7 mm
Jul
51 mm
50.8 mm
Aug
18 mm
17.8 mm
Sep
8 mm
7.6 mm
Oct
10 mm
10.2 mm
Nov
5 mm
5.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec2.5h7.5h11h15h19.5h24h21.5h17h12.5h9h4.5h0h
Jan: 10:42 AM – 1:18 PM · 2h 36m
Feb: 8:20 AM – 3:40 PM · 7h 21m
Mar: 6:27 AM – 5:33 PM · 11h 05m
Apr: 4:25 AM – 7:35 PM · 15h 09m
May: 2:18 AM – 9:42 PM · 19h 24m
Jun: 24h (Midnight Sun)
Jul: 1:09 AM – 10:51 PM · 21h 42m
Aug: 3:34 AM – 8:26 PM · 16h 52m
Sep: 5:38 AM – 6:22 PM · 12h 43m
Oct: 7:37 AM – 4:23 PM · 8h 47m
Nov: 9:49 AM – 2:11 PM · 4h 22m
Dec: 0h (Polar Night)
Daylight Longest: 24h 00m · Shortest: 0h 00m

Nearby Stations

Old Crow Rcs, YT May 31 - August 23

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview