Frost Dates for Shepherd 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 24
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. July 27
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 26
First Fall Frost July 15

Hard Freeze (−2°C)

Last Spring Hard Freeze June 13
First Fall Hard Freeze September 12
68.82°N, -93.43°W © OpenStreetMap

Growing Season

33 Days June 24 to July 27

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 1b

Avg. annual minimum: −55 to −50°F (−48 to −46°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

-40° -25° -10° 5°
-34°
High: -30°C
Avg: -34°C
Low: -38°C
Jan
-35°
High: -31°C
Avg: -35°C
Low: -39°C
Feb
-30°
High: -26°C
Avg: -30°C
Low: -35°C
Mar
-21°
High: -16°C
Avg: -21°C
Low: -26°C
Apr
-10°
High: -6°C
Avg: -10°C
Low: -13°C
May
1°
High: 4°C
Avg: 1°C
Low: -1°C
Jun
9°
High: 13°C
Avg: 9°C
Low: 5°C
Jul
7°
High: 10°C
Avg: 7°C
Low: 3°C
Aug
0°
High: 2°C
Avg: 0°C
Low: -2°C
Sep
-9°
High: -6°C
Avg: -9°C
Low: -12°C
Oct
-21°
High: -17°C
Avg: -21°C
Low: -25°C
Nov
-29°
High: -25°C
Avg: -29°C
Low: -34°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
10 mm
10.2 mm
Jan
13 mm
12.7 mm
Feb
13 mm
12.7 mm
Mar
28 mm
27.9 mm
Apr
28 mm
27.9 mm
May
18 mm
17.8 mm
Jun
18 mm
17.8 mm
Jul
46 mm
45.7 mm
Aug
20 mm
20.3 mm
Sep
66 mm
66.0 mm
Oct
25 mm
25.4 mm
Nov
20 mm
20.3 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec0h7h11h15.5h20h24h24h17h13h8.5h3.5h0h
Jan: 0h (Polar Night)
Feb: 8:30 AM – 3:30 PM · 6h 60m
Mar: 6:29 AM – 5:31 PM · 11h 02m
Apr: 4:19 AM – 7:41 PM · 15h 23m
May: 1:54 AM – 10:06 PM · 20h 11m
Jun: 24h (Midnight Sun)
Jul: 24h (Midnight Sun)
Aug: 3:23 AM – 8:37 PM · 17h 14m
Sep: 5:37 AM – 6:23 PM · 12h 46m
Oct: 7:44 AM – 4:16 PM · 8h 33m
Nov: 10:15 AM – 1:45 PM · 3h 31m
Dec: 0h (Polar Night)
Daylight Longest: 24h 00m · Shortest: 0h 00m

Nearby Stations

Taloyoak A, NUJune 22 - August 12

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