Frost Dates for Saint Michel, QC

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 11
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 2
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 16
First Fall Frost September 25

Hard Freeze (−2°C)

Last Spring Hard Freeze April 28
First Fall Hard Freeze October 16
46.87°N, -70.88°W © OpenStreetMap

Growing Season

144 Days May 11 to October 2

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°
-12°
High: -7°C
Avg: -12°C
Low: -16°C
Jan
-10°
High: -5°C
Avg: -10°C
Low: -15°C
Feb
-4°
High: 0°C
Avg: -4°C
Low: -9°C
Mar
3°
High: 8°C
Avg: 3°C
Low: -1°C
Apr
11°
High: 17°C
Avg: 11°C
Low: 6°C
May
17°
High: 22°C
Avg: 17°C
Low: 11°C
Jun
20°
High: 25°C
Avg: 20°C
Low: 14°C
Jul
19°
High: 24°C
Avg: 19°C
Low: 13°C
Aug
14°
High: 19°C
Avg: 14°C
Low: 9°C
Sep
7°
High: 11°C
Avg: 7°C
Low: 3°C
Oct
0°
High: 4°C
Avg: 0°C
Low: -3°C
Nov
-6°
High: -3°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
79 mm
78.7 mm
Jan
61 mm
61.0 mm
Feb
58 mm
58.4 mm
Mar
91 mm
91.4 mm
Apr
89 mm
88.9 mm
May
122 mm
121.9 mm
Jun
117 mm
116.8 mm
Jul
107 mm
106.7 mm
Aug
109 mm
109.2 mm
Sep
112 mm
111.8 mm
Oct
89 mm
88.9 mm
Nov
91 mm
91.4 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h15.5h15.5h14h12.5h10.5h9h8.5h
Jan: 7:38 AM – 4:22 PM · 8h 44m
Feb: 6:58 AM – 5:02 PM · 10h 03m
Mar: 6:12 AM – 5:48 PM · 11h 36m
Apr: 5:19 AM – 6:41 PM · 13h 22m
May: 4:35 AM – 7:25 PM · 14h 50m
Jun: 4:10 AM – 7:50 PM · 15h 39m
Jul: 4:20 AM – 7:40 PM · 15h 19m
Aug: 4:59 AM – 7:01 PM · 14h 01m
Sep: 5:51 AM – 6:09 PM · 12h 19m
Oct: 6:42 AM – 5:18 PM · 10h 37m
Nov: 7:27 AM – 4:33 PM · 9h 06m
Dec: 7:50 AM – 4:10 PM · 8h 21m
Daylight Longest: 15h 41m · Shortest: 8h 19m

Nearby Stations

Chateau Richer, QC May 15 - October 10 Lauzon, QCMay 16 - September 27 Cap-Tourmente, QC May 8 - October 8 Beausejour, QC May 19 - September 27 Ste-Foy (U. Laval), QC May 4 - October 8 Quebec/Jean Lesage Intl, QC May 9 - October 5

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