Frost Dates for Lac-Simon, Canada

Based on data from St-Jovite weather station, 11 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 28
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 14
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 June 2
First Fall Frost September 10

Hard Freeze (−2°C)

Last Spring Hard Freeze May 17
First Fall Hard Freeze September 30
46.16°N, -74.74°W © OpenStreetMap

Growing Season

109 Days May 28 to September 14

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 3b

Avg. annual minimum: −35 to −30°F (−37 to −34°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: -5°C
Avg: -12°C
Low: -18°C
Jan
-11°
High: -3°C
Avg: -11°C
Low: -18°C
Feb
-4°
High: 3°C
Avg: -4°C
Low: -11°C
Mar
4°
High: 10°C
Avg: 4°C
Low: -3°C
Apr
11°
High: 19°C
Avg: 11°C
Low: 3°C
May
16°
High: 23°C
Avg: 16°C
Low: 8°C
Jun
18°
High: 25°C
Avg: 18°C
Low: 11°C
Jul
17°
High: 25°C
Avg: 17°C
Low: 10°C
Aug
13°
High: 20°C
Avg: 13°C
Low: 6°C
Sep
6°
High: 12°C
Avg: 6°C
Low: 0°C
Oct
0°
High: 5°C
Avg: 0°C
Low: -5°C
Nov
-8°
High: -3°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
89 mm
88.9 mm
Jan
69 mm
68.6 mm
Feb
81 mm
81.3 mm
Mar
97 mm
96.5 mm
Apr
97 mm
96.5 mm
May
117 mm
116.8 mm
Jun
119 mm
119.4 mm
Jul
102 mm
101.6 mm
Aug
104 mm
104.1 mm
Sep
104 mm
104.1 mm
Oct
86 mm
86.4 mm
Nov
94 mm
94.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9h10h11.5h13.5h15h15.5h15h14h12.5h10.5h9h8.5h
Jan: 7:35 AM – 4:25 PM · 8h 49m
Feb: 6:57 AM – 5:03 PM · 10h 06m
Mar: 6:12 AM – 5:48 PM · 11h 37m
Apr: 5:20 AM – 6:40 PM · 13h 19m
May: 4:37 AM – 7:23 PM · 14h 46m
Jun: 4:14 AM – 7:46 PM · 15h 33m
Jul: 4:23 AM – 7:37 PM · 15h 13m
Aug: 5:01 AM – 6:59 PM · 13h 58m
Sep: 5:51 AM – 6:09 PM · 12h 18m
Oct: 6:40 AM – 5:20 PM · 10h 39m
Nov: 7:25 AM – 4:35 PM · 9h 11m
Dec: 7:46 AM – 4:14 PM · 8h 27m
Daylight Longest: 15h 34m · Shortest: 8h 26m

Nearby Stations

Arundel, QCMay 24 - September 25 La Macaza, QC May 30 - September 16 St Hippolyte, QC May 13 - October 1 Cheneville, QC May 25 - September 17 Notre Dame De La Paix, QC May 29 - September 17 St Jerome, QCMay 13 - October 2

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