Frost Dates for Mont-Joli A, QC

Elevation: 52 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 15
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 13

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 20
First Fall Frost October 9

Hard Freeze (−2°C)

Last Spring Hard Freeze May 3
First Fall Hard Freeze October 23
48.60°N, 68.22°W © OpenStreetMap

Growing Season

151 Days May 15 to October 13

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 5a

Avg. annual minimum: −29 to −26°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-7°-11°-16°
February-6°-10°-14°
March-1°-5°-9°
April6°2°-2°
May14°9°4°
June20°15°9°
July23°18°13°
August22°17°12°
September17°13°8°
October10°6°3°
November4°0°-3°
December-3°-6°-10°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January81
February71
March79
April61
May64
June76
July102
August81
September86
October89
November76
December89

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 15h 56m · Shortest: 8h 04m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January7:27 AM3:57 PM8h 30m
February6:50 AM4:45 PM9h 56m
March6:55 AM6:30 PM11h 34m
April5:50 AM7:16 PM13h 27m
May4:58 AM7:60 PM15h 02m
June4:36 AM8:30 PM15h 54m
July4:52 AM8:25 PM15h 33m
August5:32 AM7:42 PM14h 09m
September6:17 AM6:37 PM12h 20m
October7:02 AM5:34 PM10h 32m
November6:51 AM3:45 PM8h 54m
December7:26 AM3:32 PM8h 06m

Nearby Stations

Pointe-Au-Pere (Inrs), QC May 9 - October 8 Rimouski, QCMay 8 - October 16 Ile Bicquette, QC April 30 - October 25 Les Buissons, QC May 23 - September 25 Lac Humqui, QC June 9 - September 5 Amqui, QCMay 19 - September 24

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