Frost Dates for Carmacks Cs, 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 11
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 16
First Fall Frost July 29

Hard Freeze (−2°C)

Last Spring Hard Freeze May 24
First Fall Hard Freeze September 1
62.12°N, -136.20°W © OpenStreetMap

Growing Season

59 Days June 11 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 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.

Dfc Subarctic

Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.

Köppen climate map

Temperature

-30° -15° 0° 15°
-22°
High: -17°C
Avg: -22°C
Low: -27°C
Jan
-17°
High: -10°C
Avg: -17°C
Low: -24°C
Feb
-10°
High: -1°C
Avg: -10°C
Low: -18°C
Mar
1°
High: 8°C
Avg: 1°C
Low: -7°C
Apr
8°
High: 17°C
Avg: 8°C
Low: 0°C
May
13°
High: 21°C
Avg: 13°C
Low: 6°C
Jun
15°
High: 23°C
Avg: 15°C
Low: 8°C
Jul
13°
High: 20°C
Avg: 13°C
Low: 6°C
Aug
7°
High: 14°C
Avg: 7°C
Low: 0°C
Sep
-1°
High: 4°C
Avg: -1°C
Low: -6°C
Oct
-14°
High: -9°C
Avg: -14°C
Low: -19°C
Nov
-20°
High: -15°C
Avg: -20°C
Low: -24°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
0 mm
0.0 mm
Jan
0 mm
0.0 mm
Feb
3 mm
2.5 mm
Mar
0 mm
0.0 mm
Apr
5 mm
5.1 mm
May
23 mm
22.9 mm
Jun
53 mm
53.3 mm
Jul
46 mm
45.7 mm
Aug
20 mm
20.3 mm
Sep
13 mm
12.7 mm
Oct
5 mm
5.1 mm
Nov
5 mm
5.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec5.5h8.5h11.5h14.5h17.5h19.5h18.5h15.5h12.5h9.5h6.5h4.5h
Jan: 9:09 AM – 2:51 PM · 5h 41m
Feb: 7:46 AM – 4:14 PM · 8h 28m
Mar: 6:21 AM – 5:39 PM · 11h 17m
Apr: 4:47 AM – 7:13 PM · 14h 26m
May: 3:20 AM – 8:40 PM · 17h 20m
Jun: 2:22 AM – 9:38 PM · 19h 16m
Jul: 2:47 AM – 9:13 PM · 18h 25m
Aug: 4:10 AM – 7:50 PM · 15h 41m
Sep: 5:43 AM – 6:17 PM · 12h 34m
Oct: 7:15 AM – 4:45 PM · 9h 31m
Nov: 8:44 AM – 3:16 PM · 6h 32m
Dec: 9:38 AM – 2:22 PM · 4h 43m
Daylight Longest: 19h 21m · Shortest: 4h 40m

Nearby Stations

Pelly Ranch, YTJune 1 - August 19 Otter Falls Ncpc, YT June 10 - August 20 Mayo A, YTMay 24 - August 25 Mcquesten, YTJune 12 - August 7

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