Frost Dates for Riviere-Du-Loup, QC

Elevation: 147 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 30

Hard Freeze (−2°C)

Last Spring Hard Freeze April 27
First Fall Hard Freeze October 22
47.80°N, 69.55°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 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°-15°
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°2°
November3°0°-3°
December-4°-7°-10°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January51
February61
March58
April76
May79
June81
July89
August79
September91
October99
November84
December81

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 15h 49m · Shortest: 8h 11m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January7:29 AM4:06 PM8h 37m
February6:53 AM4:52 PM9h 59m
March7:00 AM6:35 PM11h 35m
April5:56 AM7:21 PM13h 24m
May5:06 AM8:03 PM14h 56m
June4:45 AM8:32 PM15h 47m
July5:01 AM8:27 PM15h 26m
August5:40 AM7:45 PM14h 06m
September6:23 AM6:42 PM12h 20m
October7:06 AM5:40 PM10h 34m
November6:53 AM3:53 PM8h 60m
December7:28 AM3:40 PM8h 13m

Nearby Stations

Ile Rouge, QC April 26 - November 2 Point De L'Islet, QC April 30 - October 26 Grandes Bergeronnes, QC May 13 - October 8 La Pocatiere, QC May 11 - October 2 Pointe Claveau, QC May 9 - October 7 Ile Bicquette, QC April 30 - October 25

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