Frost Dates for Cote-Saint-Luc, QC

Based on data from Montreal/Pierre Elliott Trudea weather station, 4 miles away

Elevation: 47 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 28
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 15
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 9

Hard Freeze (−2°C)

Last Spring Hard Freeze April 14
First Fall Hard Freeze October 26
45.47°N, -73.67°W © OpenStreetMap

Growing Season

170 Days April 28 to October 15

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.

Dfa Hot-Summer Continental

Hot summers and cold winters with year-round precipitation. Moderate growing season supports warm-season crops like tomatoes, peppers, and corn. Winter protection extends the harvest.

Köppen climate map

Temperature

-15° 0° 15° 30°
-9°
High: -5°C
Avg: -9°C
Low: -14°C
Jan
-8°
High: -4°C
Avg: -8°C
Low: -12°C
Feb
-2°
High: 3°C
Avg: -2°C
Low: -6°C
Mar
6°
High: 12°C
Avg: 6°C
Low: 1°C
Apr
14°
High: 19°C
Avg: 14°C
Low: 8°C
May
19°
High: 24°C
Avg: 19°C
Low: 14°C
Jun
21°
High: 26°C
Avg: 21°C
Low: 17°C
Jul
20°
High: 26°C
Avg: 20°C
Low: 15°C
Aug
16°
High: 21°C
Avg: 16°C
Low: 11°C
Sep
9°
High: 13°C
Avg: 9°C
Low: 5°C
Oct
2°
High: 6°C
Avg: 2°C
Low: -1°C
Nov
-5°
High: -1°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 30 mm 60 mm 90 mm
79 mm
78.7 mm
Jan
66 mm
66.0 mm
Feb
69 mm
68.6 mm
Mar
91 mm
91.4 mm
Apr
86 mm
86.4 mm
May
99 mm
99.1 mm
Jun
97 mm
96.5 mm
Jul
86 mm
86.4 mm
Aug
89 mm
88.9 mm
Sep
94 mm
94.0 mm
Oct
89 mm
88.9 mm
Nov
97 mm
96.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9h8.5h
Jan: 7:38 AM – 4:31 PM · 8h 54m
Feb: 7:05 AM – 5:14 PM · 10h 09m
Mar: 7:16 AM – 6:53 PM · 11h 37m
Apr: 6:16 AM – 7:34 PM · 13h 18m
May: 5:30 AM – 8:12 PM · 14h 42m
Jun: 5:11 AM – 8:39 PM · 15h 28m
Jul: 5:26 AM – 8:35 PM · 15h 09m
Aug: 6:01 AM – 7:57 PM · 13h 56m
Sep: 6:40 AM – 6:59 PM · 12h 18m
Oct: 7:20 AM – 6:01 PM · 10h 41m
Nov: 7:03 AM – 4:17 PM · 9h 15m
Dec: 7:35 AM – 4:07 PM · 8h 32m
Daylight Eastern Time (ET) Longest: 15h 29m · Shortest: 8h 31m

Nearby Stations

Ste Genevieve, QC April 23 - October 21 Mctavish, QCApril 20 - October 29 Ste-Anne-De-Bellevue 1, QC April 26 - October 16 Auteuil, QCApril 30 - October 9 Ste Therese Ouest, QC May 12 - September 28 Oka, QCMay 14 - September 29

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