Frost Dates for Valcourt, Canada

Based on data from Bonsecours weather station, 7 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 20
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 19
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 26
First Fall Frost September 9

Hard Freeze (−2°C)

Last Spring Hard Freeze May 7
First Fall Hard Freeze October 6
45.50°N, -72.32°W © OpenStreetMap

Growing Season

122 Days May 20 to September 19

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: -5°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
4°
High: 10°C
Avg: 4°C
Low: -1°C
Apr
11°
High: 17°C
Avg: 11°C
Low: 5°C
May
17°
High: 22°C
Avg: 17°C
Low: 11°C
Jun
19°
High: 24°C
Avg: 19°C
Low: 13°C
Jul
18°
High: 23°C
Avg: 18°C
Low: 12°C
Aug
13°
High: 19°C
Avg: 13°C
Low: 8°C
Sep
7°
High: 12°C
Avg: 7°C
Low: 2°C
Oct
1°
High: 5°C
Avg: 1°C
Low: -3°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 150 mm
114 mm
114.3 mm
Jan
84 mm
83.8 mm
Feb
89 mm
88.9 mm
Mar
84 mm
83.8 mm
Apr
99 mm
99.1 mm
May
119 mm
119.4 mm
Jun
130 mm
129.5 mm
Jul
130 mm
129.5 mm
Aug
99 mm
99.1 mm
Sep
122 mm
121.9 mm
Oct
94 mm
94.0 mm
Nov
107 mm
106.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h14.5h15.5h15h14h12.5h10.5h9.5h8.5h
Jan: 7:33 AM – 4:27 PM · 8h 54m
Feb: 6:55 AM – 5:05 PM · 10h 09m
Mar: 6:11 AM – 5:49 PM · 11h 37m
Apr: 5:21 AM – 6:39 PM · 13h 17m
May: 4:39 AM – 7:21 PM · 14h 41m
Jun: 4:16 AM – 7:44 PM · 15h 27m
Jul: 4:26 AM – 7:34 PM · 15h 09m
Aug: 5:02 AM – 6:58 PM · 13h 55m
Sep: 5:51 AM – 6:09 PM · 12h 18m
Oct: 6:40 AM – 5:20 PM · 10h 41m
Nov: 7:22 AM – 4:38 PM · 9h 15m
Dec: 7:44 AM – 4:16 PM · 8h 32m
Daylight Longest: 15h 29m · Shortest: 8h 31m

Nearby Stations

Magog, CanadaMay 13 - October 1 Bromptonville, Canada May 23 - September 26 Richmond, Canada May 19 - September 29 Brome, Canada May 23 - September 16 Granby, CanadaMay 6 - October 7 Lennoxville, Canada May 14 - October 1

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