Frost Dates for Bonnard 1, QC

Elevation: 498 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 6
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 20

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 12
First Fall Frost September 14

Hard Freeze (−2°C)

Last Spring Hard Freeze May 21
First Fall Hard Freeze October 8
50.73°N, 71.02°W © OpenStreetMap

Growing Season

106 Days June 6 to September 20

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 2b

Avg. annual minimum: −43 to −40°C

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfc Subarctic

Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.

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-13°-20°-26°
February-11°-19°-26°
March-4°-12°-19°
April3°-3°-10°
May12°6°0°
June19°12°6°
July22°16°10°
August20°15°10°
September15°10°5°
October7°3°0°
November-1°-5°-8°
December-9°-14°-19°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January8
February5
March5
April30
May58
June64
July102
August99
September76
October56
November36
December18

Sunrise / Sunset

Daylight Longest: 16h 16m · Shortest: 7h 44m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:54 AM4:06 PM8h 13m
February7:07 AM4:53 PM9h 46m
March6:14 AM5:46 PM11h 32m
April5:13 AM6:47 PM13h 34m
May4:22 AM7:38 PM15h 17m
June3:53 AM8:07 PM16h 15m
July4:05 AM7:55 PM15h 51m
August4:50 AM7:10 PM14h 20m
September5:49 AM6:11 PM12h 22m
October6:48 AM5:12 PM10h 24m
November7:41 AM4:19 PM8h 39m
December8:07 AM3:53 PM7h 45m

Nearby Stations

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