Frost Dates for Rouyn-Noranda, QC

Based on data from Rouyn weather station, 1 miles away

Elevation: 299 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 24
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 26

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 29
First Fall Frost September 18

Hard Freeze (−2°C)

Last Spring Hard Freeze May 13
First Fall Hard Freeze October 13
48.24°N, 79.02°W © OpenStreetMap

Growing Season

125 Days May 24 to September 26

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 3b

Avg. annual minimum: −37 to −34°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-10°-15°-20°
February-8°-13°-19°
March-1°-7°-13°
April7°2°-4°
May16°10°4°
June22°16°10°
July24°18°13°
August22°17°12°
September18°13°8°
October9°5°1°
November1°-2°-6°
December-6°-10°-15°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January66
February51
March51
April71
May71
June81
July102
August99
September91
October97
November86
December66

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 15h 53m · Shortest: 8h 07m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January8:09 AM4:42 PM8h 33m
February7:32 AM5:29 PM9h 57m
March7:38 AM7:13 PM11h 35m
April6:34 AM7:59 PM13h 26m
May5:43 AM8:42 PM14h 59m
June5:21 AM9:12 PM15h 51m
July5:37 AM9:07 PM15h 30m
August6:16 AM8:24 PM14h 08m
September7:01 AM7:21 PM12h 20m
October7:45 AM6:18 PM10h 33m
November7:33 AM4:30 PM8h 57m
December8:08 AM4:16 PM8h 09m

Nearby Stations

Mont Brun, QC June 11 - September 3 Kirkland Lake Cs, ON May 24 - September 28 Lac Berry, QCJune 18 - August 19

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