Frost Dates for Ste-Clothilde, QC

Elevation: 53 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 9
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 1

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 14
First Fall Frost September 26

Hard Freeze (−2°C)

Last Spring Hard Freeze April 25
First Fall Hard Freeze October 15
45.17°N, 73.68°W © OpenStreetMap

Growing Season

145 Days May 9 to October 1

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-4°-9°-14°
February-2°-8°-13°
March3°-2°-7°
April11°6°0°
May19°13°7°
June24°18°12°
July26°21°15°
August26°19°13°
September22°15°9°
October14°8°3°
November7°2°-2°
December0°-5°-9°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January79
February69
March66
April91
May86
June99
July94
August89
September86
October107
November86
December86

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 15h 27m · Shortest: 8h 33m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January7:36 AM4:32 PM8h 56m
February7:04 AM5:14 PM10h 10m
March7:16 AM6:53 PM11h 37m
April6:17 AM7:33 PM13h 17m
May5:31 AM8:11 PM14h 40m
June5:12 AM8:38 PM15h 26m
July5:27 AM8:34 PM15h 07m
August6:02 AM7:56 PM13h 54m
September6:40 AM6:58 PM12h 18m
October7:19 AM6:01 PM10h 42m
November7:02 AM4:18 PM9h 16m
December7:33 AM4:08 PM8h 34m

Nearby Stations

Hemmingford Four Winds, QC May 15 - September 27 Ste Martine, QC April 30 - October 6 St Bernard De Lacolle, QC May 5 - October 8 Ormstown, QCMay 6 - October 6 L'Acadie, QCMay 1 - October 7 Ellenburg Depot, NY May 10 - October 2

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