Frost Dates for Schefferville A, QC

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 12
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. September 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 16
First Fall Frost September 10

Hard Freeze (−2°C)

Last Spring Hard Freeze June 1
First Fall Hard Freeze September 28
54.80°N, -66.82°W © OpenStreetMap

Growing Season

94 Days June 12 to September 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 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.

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: -19°C
Avg: -24°C
Low: -29°C
Jan
-23°
High: -17°C
Avg: -23°C
Low: -29°C
Feb
-16°
High: -9°C
Avg: -16°C
Low: -22°C
Mar
-7°
High: -1°C
Avg: -7°C
Low: -13°C
Apr
2°
High: 8°C
Avg: 2°C
Low: -3°C
May
9°
High: 15°C
Avg: 9°C
Low: 4°C
Jun
13°
High: 18°C
Avg: 13°C
Low: 8°C
Jul
12°
High: 17°C
Avg: 12°C
Low: 7°C
Aug
7°
High: 11°C
Avg: 7°C
Low: 3°C
Sep
0°
High: 3°C
Avg: 0°C
Low: -3°C
Oct
-8°
High: -5°C
Avg: -8°C
Low: -12°C
Nov
-17°
High: -13°C
Avg: -17°C
Low: -22°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 50 mm 100 mm
36 mm
35.6 mm
Jan
20 mm
20.3 mm
Feb
48 mm
48.3 mm
Mar
41 mm
40.6 mm
Apr
64 mm
63.5 mm
May
64 mm
63.5 mm
Jun
102 mm
101.6 mm
Jul
94 mm
94.0 mm
Aug
89 mm
88.9 mm
Sep
86 mm
86.4 mm
Oct
66 mm
66.0 mm
Nov
38 mm
38.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7.5h9.5h11.5h14h16h17h16.5h14.5h12.5h10h8h7h
Jan: 8:14 AM – 3:46 PM · 7h 32m
Feb: 7:18 AM – 4:42 PM · 9h 24m
Mar: 6:16 AM – 5:44 PM · 11h 28m
Apr: 5:06 AM – 6:54 PM · 13h 49m
May: 4:05 AM – 7:55 PM · 15h 51m
Jun: 3:29 AM – 8:31 PM · 17h 01m
Jul: 3:44 AM – 8:16 PM · 16h 32m
Aug: 4:39 AM – 7:21 PM · 14h 43m
Sep: 5:47 AM – 6:13 PM · 12h 25m
Oct: 6:55 AM – 5:05 PM · 10h 09m
Nov: 7:58 AM – 4:02 PM · 8h 04m
Dec: 8:31 AM – 3:29 PM · 6h 58m
Daylight Longest: 17h 04m · Shortest: 6h 57m

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