Frost Dates for Repulse Bay A, 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 22
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 16
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 25
First Fall Frost August 5

Hard Freeze (−2°C)

Last Spring Hard Freeze June 9
First Fall Hard Freeze September 14
66.52°N, -86.22°W © OpenStreetMap

Growing Season

55 Days June 22 to August 16

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 2b

Avg. annual minimum: −45 to −40°F (−43 to −40°C)

Learn more

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

ET Tundra

No true summer — the warmest month averages below 10°C (50°F). Growing is limited to hardy greens, root crops, and cold-frames during the brief warm period. Permafrost restricts root depth.

Köppen climate map

Temperature

-35° -20° -5° 10°
-31°
High: -28°C
Avg: -31°C
Low: -34°C
Jan
-31°
High: -28°C
Avg: -31°C
Low: -35°C
Feb
-26°
High: -22°C
Avg: -26°C
Low: -30°C
Mar
-17°
High: -13°C
Avg: -17°C
Low: -21°C
Apr
-6°
High: -3°C
Avg: -6°C
Low: -10°C
May
3°
High: 6°C
Avg: 3°C
Low: 0°C
Jun
9°
High: 13°C
Avg: 9°C
Low: 5°C
Jul
7°
High: 10°C
Avg: 7°C
Low: 3°C
Aug
1°
High: 3°C
Avg: 1°C
Low: -1°C
Sep
-7°
High: -4°C
Avg: -7°C
Low: -10°C
Oct
-18°
High: -15°C
Avg: -18°C
Low: -22°C
Nov
-26°
High: -22°C
Avg: -26°C
Low: -29°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
8 mm
7.6 mm
Jan
3 mm
2.5 mm
Feb
5 mm
5.1 mm
Mar
18 mm
17.8 mm
Apr
5 mm
5.1 mm
May
20 mm
20.3 mm
Jun
28 mm
27.9 mm
Jul
43 mm
43.2 mm
Aug
28 mm
27.9 mm
Sep
23 mm
22.9 mm
Oct
23 mm
22.9 mm
Nov
10 mm
10.2 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec3.5h7.5h11h15h19h23h20.5h16.5h12.5h9h5h1h
Jan: 10:15 AM – 1:45 PM · 3h 31m
Feb: 8:12 AM – 3:48 PM · 7h 37m
Mar: 6:26 AM – 5:34 PM · 11h 08m
Apr: 4:30 AM – 7:30 PM · 14h 59m
May: 2:34 AM – 9:26 PM · 18h 52m
Jun: 12:29 AM – 11:31 PM · 23h 02m
Jul: 1:39 AM – 10:21 PM · 20h 41m
Aug: 3:42 AM – 8:18 PM · 16h 35m
Sep: 5:40 AM – 6:20 PM · 12h 41m
Oct: 7:32 AM – 4:28 PM · 8h 57m
Nov: 9:32 AM – 2:28 PM · 4h 56m
Dec: 11:33 AM – 12:27 PM · 0h 55m
Daylight Longest: 23h 34m · Shortest: 0h 28m

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