Frost Dates for Mistissini, QC

Based on data from Chapais weather station, 65 miles away

Elevation: 399 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. June 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. September 6

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 June 16
First Fall Frost September 1

Hard Freeze (−2°C)

Last Spring Hard Freeze May 25
First Fall Hard Freeze September 25
50.42°N, 73.87°W © OpenStreetMap

Growing Season

89 Days June 9 to September 6

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 3a

Avg. annual minimum: −40 to −37°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.

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-12°-18°-24°
February-10°-17°-23°
March-3°-10°-18°
April5°-1°-7°
May15°8°1°
June21°14°7°
July23°17°10°
August21°15°9°
September17°11°5°
October8°3°-1°
November-1°-4°-8°
December-8°-13°-18°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January0
February0
March0
April48
May61
June91
July124
August124
September122
October112
November10
December8

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 16h 07m · Shortest: 7h 53m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January7:59 AM4:19 PM8h 20m
February7:19 AM5:10 PM9h 50m
March7:23 AM6:56 PM11h 33m
April6:15 AM7:45 PM13h 31m
May5:21 AM8:31 PM15h 10m
June4:57 AM9:03 PM16h 05m
July5:14 AM8:57 PM15h 43m
August5:57 AM8:12 PM14h 15m
September6:44 AM7:05 PM12h 21m
October7:31 AM5:59 PM10h 28m
November7:22 AM4:08 PM8h 46m
December7:59 AM3:53 PM7h 54m

Nearby Stations

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