Frost Dates for L'Ile-Perrot, QC

Based on data from Ste-Anne-De-Bellevue 1 weather station, 4 miles away

Elevation: 49 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. April 26
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 16
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 2
First Fall Frost October 11

Hard Freeze (−2°C)

Last Spring Hard Freeze April 17
First Fall Hard Freeze October 27
45.38°N, -73.95°W © OpenStreetMap

Growing Season

173 Days April 26 to October 16

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°
-9°
High: -5°C
Avg: -9°C
Low: -14°C
Jan
-8°
High: -3°C
Avg: -8°C
Low: -13°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: 16°C
Jul
20°
High: 25°C
Avg: 20°C
Low: 15°C
Aug
16°
High: 21°C
Avg: 16°C
Low: 10°C
Sep
9°
High: 13°C
Avg: 9°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 30 mm 60 mm 90 mm
94 mm
94.0 mm
Jan
71 mm
71.1 mm
Feb
69 mm
68.6 mm
Mar
81 mm
81.3 mm
Apr
76 mm
76.2 mm
May
89 mm
88.9 mm
Jun
86 mm
86.4 mm
Jul
89 mm
88.9 mm
Aug
84 mm
83.8 mm
Sep
91 mm
91.4 mm
Oct
81 mm
81.3 mm
Nov
89 mm
88.9 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9h8.5h
Jan: 7:38 AM – 4:32 PM · 8h 54m
Feb: 7:06 AM – 5:15 PM · 10h 09m
Mar: 7:17 AM – 6:54 PM · 11h 37m
Apr: 6:17 AM – 7:35 PM · 13h 18m
May: 5:31 AM – 8:13 PM · 14h 42m
Jun: 5:12 AM – 8:40 PM · 15h 28m
Jul: 5:27 AM – 8:36 PM · 15h 09m
Aug: 6:02 AM – 7:58 PM · 13h 55m
Sep: 6:41 AM – 6:59 PM · 12h 18m
Oct: 7:20 AM – 6:01 PM · 10h 41m
Nov: 7:03 AM – 4:18 PM · 9h 15m
Dec: 7:35 AM – 4:08 PM · 8h 32m
Daylight Eastern Time (ET) Longest: 15h 29m · Shortest: 8h 31m

Nearby Stations

Ste Genevieve, QC April 23 - October 21 Oka, QCMay 14 - September 29 Montreal/Pierre Elliott Trudea, QC April 28 - October 15 Les Cedres, QCMay 2 - October 10 Valleyfield, QC April 29 - October 9 Coteau Du Lac, QC May 5 - October 3

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