Frost Dates for Saint-Joseph-du-Lac, QC

Based on data from Oka weather station, 4 miles away

Elevation: 63 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 14
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. September 29
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 19
First Fall Frost September 23

Hard Freeze (−2°C)

Last Spring Hard Freeze April 27
First Fall Hard Freeze October 11
45.53°N, -74.00°W © OpenStreetMap

Growing Season

138 Days May 14 to September 29

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
-9°
High: -4°C
Avg: -9°C
Low: -14°C
Feb
-3°
High: 2°C
Avg: -3°C
Low: -8°C
Mar
6°
High: 11°C
Avg: 6°C
Low: 0°C
Apr
13°
High: 19°C
Avg: 13°C
Low: 7°C
May
18°
High: 24°C
Avg: 18°C
Low: 12°C
Jun
20°
High: 26°C
Avg: 20°C
Low: 15°C
Jul
19°
High: 25°C
Avg: 19°C
Low: 14°C
Aug
15°
High: 21°C
Avg: 15°C
Low: 9°C
Sep
8°
High: 13°C
Avg: 8°C
Low: 3°C
Oct
2°
High: 6°C
Avg: 2°C
Low: -2°C
Nov
-6°
High: -2°C
Avg: -6°C
Low: -10°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
91 mm
91.4 mm
Jan
71 mm
71.1 mm
Feb
79 mm
78.7 mm
Mar
91 mm
91.4 mm
Apr
91 mm
91.4 mm
May
102 mm
101.6 mm
Jun
104 mm
104.1 mm
Jul
104 mm
104.1 mm
Aug
102 mm
101.6 mm
Sep
109 mm
109.2 mm
Oct
89 mm
88.9 mm
Nov
89 mm
88.9 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9h8.5h
Jan: 7:39 AM – 4:32 PM · 8h 53m
Feb: 7:06 AM – 5:15 PM · 10h 09m
Mar: 7:17 AM – 6:54 PM · 11h 37m
Apr: 6:18 AM – 7:35 PM · 13h 18m
May: 5:31 AM – 8:14 PM · 14h 42m
Jun: 5:12 AM – 8:41 PM · 15h 28m
Jul: 5:27 AM – 8:36 PM · 15h 09m
Aug: 6:03 AM – 7:58 PM · 13h 56m
Sep: 6:42 AM – 6:60 PM · 12h 18m
Oct: 7:21 AM – 6:02 PM · 10h 41m
Nov: 7:04 AM – 4:19 PM · 9h 14m
Dec: 7:36 AM – 4:08 PM · 8h 32m
Daylight Eastern Time (ET) Longest: 15h 30m · Shortest: 8h 31m

Nearby Stations

Ste-Anne-De-Bellevue 1, QC April 26 - October 16 Ste Genevieve, QC April 23 - October 21 Coteau Du Lac, QC May 5 - October 3 Ste Therese Ouest, QC May 12 - September 28 Les Cedres, QCMay 2 - October 10 Rigaud, QCMay 19 - September 23

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