Frost Dates for Onatchiway, QC

Elevation: 304 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 23
First Fall Hard Freeze September 26
48.90°N, 71.03°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.

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-9°-16°-23°
February-7°-15°-22°
March0°-8°-16°
April7°1°-6°
May17°9°1°
June21°14°7°
July23°17°10°
August22°16°9°
September17°11°5°
October9°5°0°
November2°-2°-6°
December-6°-11°-16°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January81
February43
March56
April86
May99
June94
July145
August135
September142
October127
November94
December97

Sunrise / Sunset

Daylight Longest: 15h 59m · Shortest: 8h 02m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:46 AM4:14 PM8h 28m
February7:03 AM4:57 PM9h 54m
March6:13 AM5:47 PM11h 34m
April5:16 AM6:44 PM13h 28m
May4:28 AM7:32 PM15h 04m
June4:02 AM7:58 PM15h 57m
July4:13 AM7:47 PM15h 35m
August4:55 AM7:05 PM14h 11m
September5:50 AM6:10 PM12h 20m
October6:45 AM5:15 PM10h 31m
November7:34 AM4:26 PM8h 52m
December7:59 AM4:01 PM8h 03m

Nearby Stations

St Ambroise, QC June 8 - September 7 Jonquiere, QC May 16 - September 28 Mistook, QCMay 17 - September 28 Bagotville A, QC May 20 - September 27 Ste Rose Du Nord, QC May 23 - September 21 Laterriere, QC May 22 - September 23

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