Frost Dates for Bonnard 1, QC

Frost Dates

Last Spring Frost (50%) iA 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%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. September 20
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly 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 iHardiness 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: −45 to −40°F (−43 to −40°C)

Learn more

Köppen Climate iThe 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.

Köppen climate map

Temperature

-30° -15° 0° 15°
-20°
High: -13°C
Avg: -20°C
Low: -26°C
Jan
-19°
High: -11°C
Avg: -19°C
Low: -26°C
Feb
-12°
High: -4°C
Avg: -12°C
Low: -19°C
Mar
-3°
High: 3°C
Avg: -3°C
Low: -10°C
Apr
6°
High: 12°C
Avg: 6°C
Low: 0°C
May
12°
High: 19°C
Avg: 12°C
Low: 6°C
Jun
16°
High: 22°C
Avg: 16°C
Low: 10°C
Jul
15°
High: 20°C
Avg: 15°C
Low: 10°C
Aug
10°
High: 15°C
Avg: 10°C
Low: 5°C
Sep
3°
High: 7°C
Avg: 3°C
Low: 0°C
Oct
-5°
High: -1°C
Avg: -5°C
Low: -8°C
Nov
-14°
High: -9°C
Avg: -14°C
Low: -19°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 50 mm 100 mm
8 mm
7.6 mm
Jan
5 mm
5.1 mm
Feb
5 mm
5.1 mm
Mar
30 mm
30.5 mm
Apr
58 mm
58.4 mm
May
64 mm
63.5 mm
Jun
102 mm
101.6 mm
Jul
99 mm
99.1 mm
Aug
76 mm
76.2 mm
Sep
56 mm
55.9 mm
Oct
36 mm
35.6 mm
Nov
18 mm
17.8 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h10h11.5h13.5h15.5h16h16h14.5h12.5h10.5h8.5h8h
Jan: 7:54 AM – 4:06 PM · 8h 13m
Feb: 7:07 AM – 4:53 PM · 9h 46m
Mar: 6:14 AM – 5:46 PM · 11h 32m
Apr: 5:13 AM – 6:47 PM · 13h 34m
May: 4:22 AM – 7:38 PM · 15h 17m
Jun: 3:53 AM – 8:07 PM · 16h 15m
Jul: 4:05 AM – 7:55 PM · 15h 51m
Aug: 4:50 AM – 7:10 PM · 14h 20m
Sep: 5:49 AM – 6:11 PM · 12h 22m
Oct: 6:48 AM – 5:12 PM · 10h 24m
Nov: 7:41 AM – 4:19 PM · 8h 39m
Dec: 8:07 AM – 3:53 PM · 7h 45m
Daylight Longest: 16h 16m · Shortest: 7h 44m

Nearby Stations

Manouane Est, QC June 9 - September 11 Lac Benoit, QCJune 17 - August 12

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