Frost Dates for Dollard-Des Ormeaux, Canada

Based on data from Ste Genevieve weather station, 1 miles away

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. April 23
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. October 21
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 April 26
First Fall Frost October 15

Hard Freeze (−2°C)

Last Spring Hard Freeze April 10
First Fall Hard Freeze November 1
45.49°N, -73.82°W © OpenStreetMap

Growing Season

181 Days April 23 to October 21

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 5a

Avg. annual minimum: −20 to −15°F (−29 to −26°C)

Learn more

Köppen Climate iThe 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

-15° 0° 15° 30°
-10°
High: -6°C
Avg: -10°C
Low: -14°C
Jan
-8°
High: -3°C
Avg: -8°C
Low: -12°C
Feb
-2°
High: 2°C
Avg: -2°C
Low: -6°C
Mar
7°
High: 11°C
Avg: 7°C
Low: 2°C
Apr
14°
High: 19°C
Avg: 14°C
Low: 9°C
May
19°
High: 24°C
Avg: 19°C
Low: 15°C
Jun
22°
High: 26°C
Avg: 22°C
Low: 18°C
Jul
21°
High: 25°C
Avg: 21°C
Low: 17°C
Aug
17°
High: 21°C
Avg: 17°C
Low: 12°C
Sep
9°
High: 13°C
Avg: 9°C
Low: 6°C
Oct
3°
High: 6°C
Avg: 3°C
Low: 0°C
Nov
-5°
High: -2°C
Avg: -5°C
Low: -8°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
74 mm
73.7 mm
Jan
58 mm
58.4 mm
Feb
69 mm
68.6 mm
Mar
81 mm
81.3 mm
Apr
107 mm
106.7 mm
May
97 mm
96.5 mm
Jun
79 mm
78.7 mm
Jul
81 mm
81.3 mm
Aug
97 mm
96.5 mm
Sep
112 mm
111.8 mm
Oct
81 mm
81.3 mm
Nov
104 mm
104.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9h8.5h
Jan: 7:33 AM – 4:27 PM · 8h 53m
Feb: 6:56 AM – 5:04 PM · 10h 09m
Mar: 6:11 AM – 5:49 PM · 11h 37m
Apr: 5:21 AM – 6:39 PM · 13h 18m
May: 4:39 AM – 7:21 PM · 14h 42m
Jun: 4:16 AM – 7:44 PM · 15h 28m
Jul: 4:25 AM – 7:35 PM · 15h 09m
Aug: 5:02 AM – 6:58 PM · 13h 56m
Sep: 5:51 AM – 6:09 PM · 12h 18m
Oct: 6:40 AM – 5:20 PM · 10h 41m
Nov: 7:23 AM – 4:37 PM · 9h 14m
Dec: 7:44 AM – 4:16 PM · 8h 32m
Daylight Longest: 15h 30m · Shortest: 8h 31m

Nearby Stations

Montreal/Pierre Elliott Trudea, QC April 28 - October 15 Ste-Anne-De-Bellevue 1, QC April 26 - October 16 Ste Therese Ouest, QC May 12 - September 28 Oka, QCMay 14 - September 29 Auteuil, QCApril 30 - October 9 Mctavish, QCApril 20 - October 29

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