Frost Dates for Collingwood, ON

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. April 30
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. October 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 May 4
First Fall Frost October 22

Hard Freeze (−2°C)

Last Spring Hard Freeze April 16
First Fall Hard Freeze November 9
44.50°N, -80.22°W © OpenStreetMap

Growing Season

180 Days April 30 to October 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 6a

Avg. annual minimum: −10 to −5°F (−23 to −21°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

-10° 0° 10° 20° 30°
-5°
High: -1°C
Avg: -5°C
Low: -9°C
Jan
-5°
High: -1°C
Avg: -5°C
Low: -9°C
Feb
0°
High: 4°C
Avg: 0°C
Low: -4°C
Mar
6°
High: 10°C
Avg: 6°C
Low: 1°C
Apr
12°
High: 17°C
Avg: 12°C
Low: 7°C
May
18°
High: 22°C
Avg: 18°C
Low: 13°C
Jun
21°
High: 25°C
Avg: 21°C
Low: 16°C
Jul
20°
High: 25°C
Avg: 20°C
Low: 16°C
Aug
17°
High: 21°C
Avg: 17°C
Low: 12°C
Sep
10°
High: 14°C
Avg: 10°C
Low: 6°C
Oct
4°
High: 8°C
Avg: 4°C
Low: 1°C
Nov
-2°
High: 2°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 30 mm 60 mm 90 mm
61 mm
61.0 mm
Jan
46 mm
45.7 mm
Feb
48 mm
48.3 mm
Mar
74 mm
73.7 mm
Apr
81 mm
81.3 mm
May
91 mm
91.4 mm
Jun
69 mm
68.6 mm
Jul
71 mm
71.1 mm
Aug
89 mm
88.9 mm
Sep
84 mm
83.8 mm
Oct
91 mm
91.4 mm
Nov
76 mm
76.2 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9.5h8.5h
Jan: 7:30 AM – 4:30 PM · 9h 00m
Feb: 6:54 AM – 5:06 PM · 10h 13m
Mar: 6:11 AM – 5:49 PM · 11h 38m
Apr: 5:22 AM – 6:38 PM · 13h 15m
May: 4:42 AM – 7:18 PM · 14h 36m
Jun: 4:20 AM – 7:40 PM · 15h 20m
Jul: 4:29 AM – 7:31 PM · 15h 02m
Aug: 5:04 AM – 6:56 PM · 13h 52m
Sep: 5:51 AM – 6:09 PM · 12h 17m
Oct: 6:38 AM – 5:22 PM · 10h 43m
Nov: 7:20 AM – 4:40 PM · 9h 20m
Dec: 7:40 AM – 4:20 PM · 8h 39m
Daylight Longest: 15h 22m · Shortest: 8h 38m

Nearby Stations

Borden Awos, ON May 24 - September 16 Egbert Cs, ONMay 13 - October 10 Shanty Bay, ONMay 11 - October 9 Chatsworth, ON May 24 - September 26 Coldwater Warminster, ON May 8 - October 13 Orillia Brain, ON May 5 - October 15

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