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%) A 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%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. November 4

30% Probability

Only 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

Hardiness 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: −23 to −21°C

Learn more

Köppen Climate

The 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

Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January-2°-5°-8°
February-2°-5°-8°
March1°-2°-5°
April6°3°0°
May12°8°5°
June17°14°11°
July21°18°16°
August21°19°17°
September19°16°14°
October12°10°8°
November6°4°2°
December2°-1°-4°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January0
February0
March0
April0
May0
June3
July18
August8
September23
October3
November3
December0

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 15h 28m · Shortest: 8h 32m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January8:09 AM5:04 PM8h 54m
February7:37 AM5:46 PM10h 09m
March7:48 AM7:25 PM11h 37m
April6:49 AM8:06 PM13h 17m
May6:03 AM8:44 PM14h 41m
June5:44 AM9:11 PM15h 27m
July5:58 AM9:07 PM15h 08m
August6:34 AM8:29 PM13h 55m
September7:12 AM7:30 PM12h 18m
October7:51 AM6:33 PM10h 41m
November7:34 AM4:50 PM9h 15m
December8:06 AM4:39 PM8h 33m

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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