Frost Dates for Saint-Louis-du-Ha Ha, QC

Based on data from Riviere-Du-Loup weather station, 28 miles away

Elevation: 248 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 12
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 5
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 30

Hard Freeze (−2°C)

Last Spring Hard Freeze April 27
First Fall Hard Freeze October 22
47.67°N, -68.98°W © OpenStreetMap

Growing Season

146 Days May 12 to October 5

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 5a

Avg. annual minimum: −20 to −15°F (−29 to −26°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°
-11°
High: -7°C
Avg: -11°C
Low: -15°C
Jan
-10°
High: -6°C
Avg: -10°C
Low: -14°C
Feb
-5°
High: -1°C
Avg: -5°C
Low: -9°C
Mar
2°
High: 6°C
Avg: 2°C
Low: -2°C
Apr
9°
High: 14°C
Avg: 9°C
Low: 4°C
May
15°
High: 20°C
Avg: 15°C
Low: 9°C
Jun
18°
High: 23°C
Avg: 18°C
Low: 13°C
Jul
17°
High: 22°C
Avg: 17°C
Low: 12°C
Aug
13°
High: 17°C
Avg: 13°C
Low: 8°C
Sep
6°
High: 10°C
Avg: 6°C
Low: 2°C
Oct
0°
High: 3°C
Avg: 0°C
Low: -3°C
Nov
-7°
High: -4°C
Avg: -7°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 30 mm 60 mm 90 mm
51 mm
50.8 mm
Jan
61 mm
61.0 mm
Feb
58 mm
58.4 mm
Mar
76 mm
76.2 mm
Apr
79 mm
78.7 mm
May
81 mm
81.3 mm
Jun
89 mm
88.9 mm
Jul
79 mm
78.7 mm
Aug
91 mm
91.4 mm
Sep
99 mm
99.1 mm
Oct
84 mm
83.8 mm
Nov
81 mm
81.3 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:29 AM – 4:06 PM · 8h 37m
Feb: 6:53 AM – 4:52 PM · 9h 59m
Mar: 7:00 AM – 6:35 PM · 11h 35m
Apr: 5:56 AM – 7:21 PM · 13h 24m
May: 5:06 AM – 8:03 PM · 14h 56m
Jun: 4:45 AM – 8:32 PM · 15h 47m
Jul: 5:01 AM – 8:27 PM · 15h 26m
Aug: 5:40 AM – 7:45 PM · 14h 06m
Sep: 6:23 AM – 6:42 PM · 12h 20m
Oct: 7:06 AM – 5:40 PM · 10h 34m
Nov: 6:53 AM – 3:53 PM · 8h 60m
Dec: 7:28 AM – 3:40 PM · 8h 13m
Daylight Eastern Time (ET) Longest: 15h 49m · Shortest: 8h 11m

Nearby Stations

Ile Rouge, QC April 26 - November 2 Point De L'Islet, QC April 30 - October 26 Grandes Bergeronnes, QC May 13 - October 8 La Pocatiere, QC May 11 - October 2 Pointe Claveau, QC May 9 - October 7 Ile Bicquette, QC April 30 - October 25

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