Frost Dates for Cartwright, NL

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. September 11
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 August 27

Hard Freeze (−2°C)

Last Spring Hard Freeze May 24
First Fall Hard Freeze October 18
53.72°N, -57.03°W © OpenStreetMap

Growing Season

92 Days June 11 to September 11

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 4b

Avg. annual minimum: −25 to −20°F (−32 to −29°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

-20° -10° 0° 10° 20°
-13°
High: -9°C
Avg: -13°C
Low: -18°C
Jan
-13°
High: -8°C
Avg: -13°C
Low: -18°C
Feb
-8°
High: -3°C
Avg: -8°C
Low: -13°C
Mar
-2°
High: 3°C
Avg: -2°C
Low: -6°C
Apr
4°
High: 8°C
Avg: 4°C
Low: -1°C
May
9°
High: 15°C
Avg: 9°C
Low: 4°C
Jun
13°
High: 19°C
Avg: 13°C
Low: 7°C
Jul
13°
High: 19°C
Avg: 13°C
Low: 8°C
Aug
9°
High: 14°C
Avg: 9°C
Low: 5°C
Sep
4°
High: 7°C
Avg: 4°C
Low: 1°C
Oct
-1°
High: 2°C
Avg: -1°C
Low: -5°C
Nov
-8°
High: -4°C
Avg: -8°C
Low: -12°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
89 mm
88.9 mm
Jan
94 mm
94.0 mm
Feb
94 mm
94.0 mm
Mar
86 mm
86.4 mm
Apr
66 mm
66.0 mm
May
94 mm
94.0 mm
Jun
112 mm
111.8 mm
Jul
107 mm
106.7 mm
Aug
99 mm
99.1 mm
Sep
117 mm
116.8 mm
Oct
84 mm
83.8 mm
Nov
91 mm
91.4 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7.5h9.5h11.5h13.5h15.5h17h16.5h14.5h12.5h10h8h7h
Jan: 8:08 AM – 3:52 PM · 7h 44m
Feb: 7:15 AM – 4:45 PM · 9h 30m
Mar: 6:15 AM – 5:45 PM · 11h 29m
Apr: 5:08 AM – 6:52 PM · 13h 44m
May: 4:10 AM – 7:50 PM · 15h 41m
Jun: 3:36 AM – 8:24 PM · 16h 48m
Jul: 3:50 AM – 8:10 PM · 16h 20m
Aug: 4:42 AM – 7:18 PM · 14h 36m
Sep: 5:48 AM – 6:12 PM · 12h 24m
Oct: 6:53 AM – 5:07 PM · 10h 13m
Nov: 7:53 AM – 4:07 PM · 8h 14m
Dec: 8:24 AM – 3:36 PM · 7h 12m
Daylight Longest: 16h 50m · Shortest: 7h 10m

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