Frost Dates for Sharbot Lake, ON

Based on data from Ompah-Seitz weather station, 20 miles away

Elevation: 201 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. May 12
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. October 5

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 May 16
First Fall Frost September 29

Hard Freeze (−2°C)

Last Spring Hard Freeze April 29
First Fall Hard Freeze October 19
44.77°N, 76.69°W © OpenStreetMap

Growing Season

146 Days May 12 to October 5

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 4b

Avg. annual minimum: −32 to −29°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-5°-9°-14°
February-2°-8°-13°
March3°-2°-7°
April10°5°-1°
May19°13°7°
June24°18°12°
July27°21°14°
August25°19°14°
September21°15°10°
October13°8°3°
November5°1°-3°
December-2°-5°-9°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January89
February56
March69
April69
May84
June104
July84
August84
September99
October102
November89
December81

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 15h 26m · Shortest: 8h 34m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January7:48 AM4:45 PM8h 56m
February7:16 AM5:27 PM10h 11m
March7:28 AM7:05 PM11h 37m
April6:29 AM7:46 PM13h 16m
May5:44 AM8:23 PM14h 39m
June5:25 AM8:50 PM15h 25m
July5:40 AM8:46 PM15h 06m
August6:14 AM8:08 PM13h 54m
September6:53 AM7:11 PM12h 18m
October7:31 AM6:13 PM10h 42m
November7:14 AM4:31 PM9h 17m
December7:45 AM4:21 PM8h 35m

Nearby Stations

Drummond Centre, ON May 12 - September 30 Appleton, ONMay 12 - October 1 Shawville, QC May 18 - September 27 Hartington Ihd, ON May 5 - October 6 Centreville, ONMay 10 - October 3 Charteris, QC May 22 - September 19

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