Frost Dates for Terrebonne, QC

Based on data from Auteuil weather station, 5 miles away

Elevation: 18 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 30
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 9
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 4
First Fall Frost October 4

Hard Freeze (−2°C)

Last Spring Hard Freeze April 16
First Fall Hard Freeze October 22
45.70°N, -73.65°W © OpenStreetMap

Growing Season

162 Days April 30 to October 9

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 4b

Avg. annual minimum: −25 to −20°F (−32 to −29°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

-20° -5° 10° 25°
-10°
High: -6°C
Avg: -10°C
Low: -15°C
Jan
-8°
High: -4°C
Avg: -8°C
Low: -14°C
Feb
-2°
High: 3°C
Avg: -2°C
Low: -7°C
Mar
6°
High: 11°C
Avg: 6°C
Low: 1°C
Apr
14°
High: 20°C
Avg: 14°C
Low: 8°C
May
19°
High: 25°C
Avg: 19°C
Low: 13°C
Jun
21°
High: 27°C
Avg: 21°C
Low: 16°C
Jul
21°
High: 26°C
Avg: 21°C
Low: 15°C
Aug
16°
High: 21°C
Avg: 16°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
-6°
High: -2°C
Avg: -6°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
43 mm
43.2 mm
Feb
41 mm
40.6 mm
Mar
84 mm
83.8 mm
Apr
84 mm
83.8 mm
May
97 mm
96.5 mm
Jun
97 mm
96.5 mm
Jul
86 mm
86.4 mm
Aug
104 mm
104.1 mm
Sep
99 mm
99.1 mm
Oct
71 mm
71.1 mm
Nov
71 mm
71.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9h8.5h
Jan: 7:38 AM – 4:30 PM · 8h 52m
Feb: 7:05 AM – 5:14 PM · 10h 08m
Mar: 7:16 AM – 6:53 PM · 11h 37m
Apr: 6:16 AM – 7:34 PM · 13h 18m
May: 5:30 AM – 8:13 PM · 14h 43m
Jun: 5:10 AM – 8:40 PM · 15h 29m
Jul: 5:25 AM – 8:36 PM · 15h 10m
Aug: 6:01 AM – 7:57 PM · 13h 56m
Sep: 6:40 AM – 6:59 PM · 12h 18m
Oct: 7:20 AM – 6:00 PM · 10h 40m
Nov: 7:03 AM – 4:17 PM · 9h 14m
Dec: 7:36 AM – 4:06 PM · 8h 31m
Daylight Eastern Time (ET) Longest: 15h 31m · Shortest: 8h 29m

Nearby Stations

Ste Therese Ouest, QC May 12 - September 28 Riviere Des Prairies, QC May 2 - October 9 Ste Genevieve, QC April 23 - October 21 Mctavish, QCApril 20 - October 29 Montreal/Pierre Elliott Trudea, QC April 28 - October 15 Varennes, QCApril 30 - October 8

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