Frost Dates for Riviere Verte Ouest, 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 22
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 27
First Fall Frost September 14

Hard Freeze (−2°C)

Last Spring Hard Freeze May 9
First Fall Hard Freeze October 7
46.98°N, -71.83°W © OpenStreetMap

Growing Season

120 Days May 22 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 4a

Avg. annual minimum: −30 to −25°F (−34 to −32°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°
-13°
High: -8°C
Avg: -13°C
Low: -18°C
Jan
-11°
High: -5°C
Avg: -11°C
Low: -17°C
Feb
-5°
High: 1°C
Avg: -5°C
Low: -10°C
Mar
3°
High: 8°C
Avg: 3°C
Low: -2°C
Apr
10°
High: 17°C
Avg: 10°C
Low: 4°C
May
16°
High: 22°C
Avg: 16°C
Low: 10°C
Jun
18°
High: 24°C
Avg: 18°C
Low: 13°C
Jul
17°
High: 23°C
Avg: 17°C
Low: 12°C
Aug
12°
High: 18°C
Avg: 12°C
Low: 7°C
Sep
6°
High: 10°C
Avg: 6°C
Low: 1°C
Oct
-1°
High: 3°C
Avg: -1°C
Low: -5°C
Nov
-8°
High: -4°C
Avg: -8°C
Low: -13°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
84 mm
83.8 mm
Jan
76 mm
76.2 mm
Feb
79 mm
78.7 mm
Mar
109 mm
109.2 mm
Apr
127 mm
127.0 mm
May
132 mm
132.1 mm
Jun
165 mm
165.1 mm
Jul
132 mm
132.1 mm
Aug
160 mm
160.0 mm
Sep
150 mm
149.9 mm
Oct
124 mm
124.5 mm
Nov
124 mm
124.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h15.5h15.5h14h12.5h10.5h9h8.5h
Jan: 7:39 AM – 4:21 PM · 8h 43m
Feb: 6:59 AM – 5:01 PM · 10h 03m
Mar: 6:12 AM – 5:48 PM · 11h 36m
Apr: 5:19 AM – 6:41 PM · 13h 22m
May: 4:34 AM – 7:26 PM · 14h 51m
Jun: 4:10 AM – 7:50 PM · 15h 40m
Jul: 4:20 AM – 7:40 PM · 15h 20m
Aug: 4:59 AM – 7:01 PM · 14h 02m
Sep: 5:50 AM – 6:10 PM · 12h 19m
Oct: 6:42 AM – 5:18 PM · 10h 36m
Nov: 7:27 AM – 4:33 PM · 9h 05m
Dec: 7:50 AM – 4:10 PM · 8h 20m
Daylight Longest: 15h 42m · Shortest: 8h 18m

Nearby Stations

Ste Christine, QC May 23 - September 19 Deschambault, QC May 25 - September 14 St Alban, QCMay 17 - September 24 Deschambault, QC May 15 - October 2 Quebec/Jean Lesage Intl, QC May 9 - October 5 Lac Aux Sables, QC May 24 - September 22

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