Frost Dates for Churchill Falls, 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 7
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 17
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 10
First Fall Frost September 15

Hard Freeze (−2°C)

Last Spring Hard Freeze May 27
First Fall Hard Freeze September 29
53.55°N, -64.10°W © OpenStreetMap

Growing Season

102 Days June 7 to September 17

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°
-21°
High: -15°C
Avg: -21°C
Low: -26°C
Jan
-20°
High: -13°C
Avg: -20°C
Low: -26°C
Feb
-13°
High: -6°C
Avg: -13°C
Low: -20°C
Mar
-4°
High: 2°C
Avg: -4°C
Low: -10°C
Apr
4°
High: 10°C
Avg: 4°C
Low: -1°C
May
11°
High: 16°C
Avg: 11°C
Low: 5°C
Jun
14°
High: 20°C
Avg: 14°C
Low: 9°C
Jul
13°
High: 18°C
Avg: 13°C
Low: 8°C
Aug
8°
High: 13°C
Avg: 8°C
Low: 4°C
Sep
1°
High: 5°C
Avg: 1°C
Low: -2°C
Oct
-7°
High: -3°C
Avg: -7°C
Low: -11°C
Nov
-15°
High: -10°C
Avg: -15°C
Low: -20°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
25 mm
25.4 mm
Jan
13 mm
12.7 mm
Feb
23 mm
22.9 mm
Mar
33 mm
33.0 mm
Apr
53 mm
53.3 mm
May
79 mm
78.7 mm
Jun
114 mm
114.3 mm
Jul
102 mm
101.6 mm
Aug
86 mm
86.4 mm
Sep
64 mm
63.5 mm
Oct
58 mm
58.4 mm
Nov
33 mm
33.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h17h16.5h14.5h12.5h10h8.5h7h
Jan: 8:07 AM – 3:53 PM · 7h 46m
Feb: 7:15 AM – 4:45 PM · 9h 31m
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 39m
Jun: 3:37 AM – 8:23 PM · 16h 46m
Jul: 3:51 AM – 8:09 PM · 16h 18m
Aug: 4:42 AM – 7:18 PM · 14h 35m
Sep: 5:48 AM – 6:12 PM · 12h 24m
Oct: 6:53 AM – 5:07 PM · 10h 14m
Nov: 7:52 AM – 4:08 PM · 8h 16m
Dec: 8:23 AM – 3:37 PM · 7h 14m
Daylight Longest: 16h 48m · Shortest: 7h 12m

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