Frost Dates for Les Coteaux, QC

Based on data from Coteau Du Lac weather station, 4 miles away

Elevation: 44 m

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. May 5
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 3
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 May 10
First Fall Frost September 29

Hard Freeze (−2°C)

Last Spring Hard Freeze April 18
First Fall Hard Freeze October 15
45.28°N, -74.23°W © OpenStreetMap

Growing Season

151 Days May 5 to October 3

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: -15°C
Jan
-9°
High: -4°C
Avg: -9°C
Low: -14°C
Feb
-2°
High: 2°C
Avg: -2°C
Low: -7°C
Mar
6°
High: 11°C
Avg: 6°C
Low: 1°C
Apr
13°
High: 19°C
Avg: 13°C
Low: 8°C
May
19°
High: 24°C
Avg: 19°C
Low: 13°C
Jun
21°
High: 26°C
Avg: 21°C
Low: 15°C
Jul
20°
High: 25°C
Avg: 20°C
Low: 14°C
Aug
15°
High: 21°C
Avg: 15°C
Low: 10°C
Sep
8°
High: 13°C
Avg: 8°C
Low: 4°C
Oct
2°
High: 6°C
Avg: 2°C
Low: -2°C
Nov
-5°
High: -1°C
Avg: -5°C
Low: -9°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
76 mm
76.2 mm
Jan
69 mm
68.6 mm
Feb
58 mm
58.4 mm
Mar
81 mm
81.3 mm
Apr
94 mm
94.0 mm
May
102 mm
101.6 mm
Jun
112 mm
111.8 mm
Jul
89 mm
88.9 mm
Aug
102 mm
101.6 mm
Sep
114 mm
114.3 mm
Oct
79 mm
78.7 mm
Nov
79 mm
78.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9.5h8.5h
Jan: 7:39 AM – 4:33 PM · 8h 55m
Feb: 7:07 AM – 5:16 PM · 10h 09m
Mar: 7:18 AM – 6:55 PM · 11h 37m
Apr: 6:18 AM – 7:36 PM · 13h 17m
May: 5:32 AM – 8:13 PM · 14h 41m
Jun: 5:14 AM – 8:40 PM · 15h 27m
Jul: 5:28 AM – 8:36 PM · 15h 08m
Aug: 6:03 AM – 7:58 PM · 13h 55m
Sep: 6:42 AM – 7:00 PM · 12h 18m
Oct: 7:21 AM – 6:02 PM · 10h 41m
Nov: 7:04 AM – 4:20 PM · 9h 16m
Dec: 7:36 AM – 4:09 PM · 8h 33m
Daylight Eastern Time (ET) Longest: 15h 28m · Shortest: 8h 32m

Nearby Stations

Valleyfield, QC April 29 - October 9 Les Cedres, QCMay 2 - October 10 Oka, QCMay 14 - September 29 Ste-Anne-De-Bellevue 1, QC April 26 - October 16 St-Anicet 1, QCMay 7 - October 2 Ormstown, QCMay 6 - October 6

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