Frost Dates for Croker River, NU

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 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. August 14
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 24
First Fall Frost July 31

Hard Freeze (−2°C)

Last Spring Hard Freeze June 6
First Fall Hard Freeze September 15
69.28°N, -119.22°W © OpenStreetMap

Growing Season

55 Days June 20 to August 14

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 3a

Avg. annual minimum: −40 to −35°F (−40 to −37°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°
-24°
High: -21°C
Avg: -24°C
Low: -28°C
Jan
-25°
High: -21°C
Avg: -25°C
Low: -29°C
Feb
-24°
High: -20°C
Avg: -24°C
Low: -28°C
Mar
-16°
High: -12°C
Avg: -16°C
Low: -20°C
Apr
-5°
High: -2°C
Avg: -5°C
Low: -8°C
May
5°
High: 9°C
Avg: 5°C
Low: 2°C
Jun
9°
High: 13°C
Avg: 9°C
Low: 5°C
Jul
8°
High: 11°C
Avg: 8°C
Low: 5°C
Aug
2°
High: 5°C
Avg: 2°C
Low: 0°C
Sep
-7°
High: -4°C
Avg: -7°C
Low: -9°C
Oct
-16°
High: -13°C
Avg: -16°C
Low: -19°C
Nov
-22°
High: -19°C
Avg: -22°C
Low: -26°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm
0 mm
0.0 mm
Jan
0 mm
0.0 mm
Feb
0 mm
0.0 mm
Mar
0 mm
0.0 mm
Apr
0 mm
0.0 mm
May
0 mm
0.0 mm
Jun
0 mm
0.0 mm
Jul
0 mm
0.0 mm
Aug
0 mm
0.0 mm
Sep
0 mm
0.0 mm
Oct
0 mm
0.0 mm
Nov
0 mm
0.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec0h7h11h15.5h20.5h24h24h17.5h13h8.5h3h0h
Jan: 0h (Polar Night)
Feb: 8:35 AM – 3:25 PM · 6h 51m
Mar: 6:30 AM – 5:30 PM · 11h 00m
Apr: 4:16 AM – 7:44 PM · 15h 28m
May: 1:44 AM – 10:16 PM · 20h 33m
Jun: 24h (Midnight Sun)
Jul: 24h (Midnight Sun)
Aug: 3:18 AM – 8:42 PM · 17h 24m
Sep: 5:37 AM – 6:23 PM · 12h 47m
Oct: 7:46 AM – 4:14 PM · 8h 27m
Nov: 10:27 AM – 1:33 PM · 3h 07m
Dec: 0h (Polar Night)
Daylight Longest: 24h 00m · Shortest: 0h 00m

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