Frost Dates for Saint-Barnabe-Sud, Canada

Based on data from Fleury weather station, 6 miles away

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 9
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 27
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 15
First Fall Frost September 22

Hard Freeze (−2°C)

Last Spring Hard Freeze April 19
First Fall Hard Freeze October 13
45.73°N, -72.92°W © OpenStreetMap

Growing Season

141 Days May 9 to September 27

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: -7°C
Mar
6°
High: 11°C
Avg: 6°C
Low: 1°C
Apr
13°
High: 19°C
Avg: 13°C
Low: 7°C
May
18°
High: 24°C
Avg: 18°C
Low: 13°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
-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 50 mm 100 mm 150 mm
81 mm
81.3 mm
Jan
61 mm
61.0 mm
Feb
66 mm
66.0 mm
Mar
97 mm
96.5 mm
Apr
91 mm
91.4 mm
May
109 mm
109.2 mm
Jun
99 mm
99.1 mm
Jul
130 mm
129.5 mm
Aug
104 mm
104.1 mm
Sep
104 mm
104.1 mm
Oct
84 mm
83.8 mm
Nov
84 mm
83.8 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9h8.5h
Jan: 7:34 AM – 4:26 PM · 8h 51m
Feb: 6:56 AM – 5:04 PM · 10h 08m
Mar: 6:12 AM – 5:48 PM · 11h 37m
Apr: 5:21 AM – 6:39 PM · 13h 19m
May: 4:38 AM – 7:22 PM · 14h 44m
Jun: 4:15 AM – 7:45 PM · 15h 30m
Jul: 4:24 AM – 7:36 PM · 15h 11m
Aug: 5:02 AM – 6:58 PM · 13h 57m
Sep: 5:51 AM – 6:09 PM · 12h 18m
Oct: 6:40 AM – 5:20 PM · 10h 40m
Nov: 7:24 AM – 4:36 PM · 9h 13m
Dec: 7:45 AM – 4:15 PM · 8h 29m
Daylight Longest: 15h 32m · Shortest: 8h 28m

Nearby Stations

St Guillaume, Canada May 11 - September 30 Ste Madeleine, Canada May 9 - October 5 St Hyacinthe 2, Canada May 5 - October 4 Sorel, Canada April 28 - October 12 St Amable, Canada May 7 - October 2 Vercheres, Canada May 1 - October 9

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