Frost Dates for Sainte-Therese, QC

Based on data from Ste Therese Ouest weather station, 3 miles away

Elevation: 36 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. September 28

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 23

Hard Freeze (−2°C)

Last Spring Hard Freeze April 27
First Fall Hard Freeze October 13
45.64°N, 73.83°W © OpenStreetMap

Growing Season

139 Days May 12 to September 28

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 4a

Avg. annual minimum: −34 to −32°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-6°-11°-16°
February-4°-9°-14°
March2°-3°-8°
April11°6°0°
May19°13°7°
June24°18°12°
July26°20°14°
August25°19°14°
September21°15°9°
October13°8°3°
November5°2°-2°
December-2°-6°-10°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January79
February61
March71
April91
May89
June99
July104
August91
September99
October112
November107
December84

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 15h 31m · Shortest: 8h 29m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January7:39 AM4:31 PM8h 52m
February7:06 AM5:14 PM10h 08m
March7:17 AM6:54 PM11h 37m
April6:17 AM7:35 PM13h 18m
May5:30 AM8:13 PM14h 43m
June5:11 AM8:40 PM15h 29m
July5:26 AM8:36 PM15h 10m
August6:02 AM7:58 PM13h 56m
September6:41 AM6:59 PM12h 18m
October7:21 AM6:01 PM10h 40m
November7:04 AM4:17 PM9h 14m
December7:36 AM4:07 PM8h 31m

Nearby Stations

Auteuil, QCApril 30 - October 9 Ste Genevieve, QC April 23 - October 21 St Jerome, QCMay 13 - October 2 Oka, QCMay 14 - September 29 Montreal/Pierre Elliott Trudea, QC April 28 - October 15 Ste-Anne-De-Bellevue 1, QC April 26 - October 16

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