Frost Dates for Tobermory, ON

Based on data from Cove Island (Aut) weather station, 7 miles away

Elevation: 192 m

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 22
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. November 4
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 April 28
First Fall Frost October 31

Hard Freeze (−2°C)

Last Spring Hard Freeze April 11
First Fall Hard Freeze November 17
45.25°N, -81.67°W © OpenStreetMap

Growing Season

196 Days April 22 to November 4

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°
-5°
High: -2°C
Avg: -5°C
Low: -8°C
Jan
-5°
High: -2°C
Avg: -5°C
Low: -8°C
Feb
-2°
High: 1°C
Avg: -2°C
Low: -5°C
Mar
3°
High: 6°C
Avg: 3°C
Low: 0°C
Apr
8°
High: 12°C
Avg: 8°C
Low: 5°C
May
14°
High: 17°C
Avg: 14°C
Low: 11°C
Jun
18°
High: 21°C
Avg: 18°C
Low: 16°C
Jul
19°
High: 21°C
Avg: 19°C
Low: 17°C
Aug
16°
High: 19°C
Avg: 16°C
Low: 14°C
Sep
10°
High: 12°C
Avg: 10°C
Low: 8°C
Oct
4°
High: 6°C
Avg: 4°C
Low: 2°C
Nov
-1°
High: 2°C
Avg: -1°C
Low: -4°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 10 mm 20 mm 30 mm
0 mm
0.0 mm
Jan
0 mm
0.0 mm
Feb
0 mm
0.0 mm
Mar
0 mm
0.0 mm
Apr
0 mm
0.0 mm
May
3 mm
2.5 mm
Jun
18 mm
17.8 mm
Jul
8 mm
7.6 mm
Aug
23 mm
22.9 mm
Sep
3 mm
2.5 mm
Oct
3 mm
2.5 mm
Nov
0 mm
0.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9.5h8.5h
Jan: 8:09 AM – 5:04 PM · 8h 54m
Feb: 7:37 AM – 5:46 PM · 10h 09m
Mar: 7:48 AM – 7:25 PM · 11h 37m
Apr: 6:49 AM – 8:06 PM · 13h 17m
May: 6:03 AM – 8:44 PM · 14h 41m
Jun: 5:44 AM – 9:11 PM · 15h 27m
Jul: 5:58 AM – 9:07 PM · 15h 08m
Aug: 6:34 AM – 8:29 PM · 13h 55m
Sep: 7:12 AM – 7:30 PM · 12h 18m
Oct: 7:51 AM – 6:33 PM · 10h 41m
Nov: 7:34 AM – 4:50 PM · 9h 15m
Dec: 8:06 AM – 4:39 PM · 8h 33m
Daylight Eastern Time (ET) Longest: 15h 28m · Shortest: 8h 32m

Nearby Stations

Sandfield, ONMay 17 - October 6 Killarney (Aut), ON April 28 - October 23 Wiarton A, ONMay 11 - October 12 Massey, ONMay 26 - September 21 Great Duck Island (Aut), ON April 25 - October 27 Tara, ONMay 17 - September 30

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