Frost Dates for Rocky Harbour Cs, 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 5
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 28
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 9
First Fall Frost September 22

Hard Freeze (−2°C)

Last Spring Hard Freeze May 15
First Fall Hard Freeze October 23
49.57°N, -57.88°W © OpenStreetMap

Growing Season

115 Days June 5 to September 28

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 5b

Avg. annual minimum: −15 to −10°F (−26 to −23°C)

Learn more

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

Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

Köppen climate map

Temperature

-15° -5° 5° 15° 25°
-6°
High: -3°C
Avg: -6°C
Low: -10°C
Jan
-7°
High: -2°C
Avg: -7°C
Low: -11°C
Feb
-3°
High: 2°C
Avg: -3°C
Low: -8°C
Mar
3°
High: 7°C
Avg: 3°C
Low: -2°C
Apr
7°
High: 13°C
Avg: 7°C
Low: 2°C
May
12°
High: 18°C
Avg: 12°C
Low: 7°C
Jun
17°
High: 22°C
Avg: 17°C
Low: 12°C
Jul
17°
High: 22°C
Avg: 17°C
Low: 12°C
Aug
13°
High: 17°C
Avg: 13°C
Low: 8°C
Sep
7°
High: 11°C
Avg: 7°C
Low: 3°C
Oct
2°
High: 5°C
Avg: 2°C
Low: -1°C
Nov
-2°
High: 1°C
Avg: -2°C
Low: -5°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
114 mm
114.3 mm
Jan
86 mm
86.4 mm
Feb
76 mm
76.2 mm
Mar
81 mm
81.3 mm
Apr
74 mm
73.7 mm
May
84 mm
83.8 mm
Jun
107 mm
106.7 mm
Jul
114 mm
114.3 mm
Aug
114 mm
114.3 mm
Sep
99 mm
99.1 mm
Oct
112 mm
111.8 mm
Nov
117 mm
116.8 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:49 AM – 4:11 PM · 8h 23m
Feb: 7:04 AM – 4:56 PM · 9h 51m
Mar: 6:13 AM – 5:47 PM · 11h 33m
Apr: 5:15 AM – 6:45 PM · 13h 30m
May: 4:26 AM – 7:34 PM · 15h 08m
Jun: 3:58 AM – 8:02 PM · 16h 03m
Jul: 4:10 AM – 7:50 PM · 15h 40m
Aug: 4:53 AM – 7:07 PM · 14h 14m
Sep: 5:50 AM – 6:10 PM · 12h 21m
Oct: 6:46 AM – 5:14 PM · 10h 28m
Nov: 7:36 AM – 4:24 PM · 8h 48m
Dec: 8:02 AM – 3:58 PM · 7h 57m
Daylight Longest: 16h 05m · Shortest: 7h 55m

Nearby Stations

Cow Head, NLJune 5 - October 2 Cormack, NLJune 10 - September 10 Deer Lake A, NL June 9 - September 17 Deer Lake, NL June 6 - September 26 Corner Brook, NL May 21 - October 13 Corner Brook, NL May 25 - October 6

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