Frost Dates for Chisasibi, QC

Based on data from La Grande Riviere A weather station, 50 miles away

Elevation: 12 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. June 15
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 17
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 19
First Fall Frost September 7

Hard Freeze (−2°C)

Last Spring Hard Freeze May 31
First Fall Hard Freeze October 7
53.78°N, -78.90°W © OpenStreetMap

Growing Season

94 Days June 15 to September 17

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 3a

Avg. annual minimum: −40 to −35°F (−40 to −37°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Dsc Subarctic (Dry Summer)

Cool, dry summers and cold winters. A rare climate found at high elevations. Very short growing season for cold-tolerant crops only.

Köppen climate map

Temperature

-30° -15° 0° 15°
-22°
High: -18°C
Avg: -22°C
Low: -26°C
Jan
-21°
High: -15°C
Avg: -21°C
Low: -26°C
Feb
-14°
High: -8°C
Avg: -14°C
Low: -20°C
Mar
-4°
High: 1°C
Avg: -4°C
Low: -10°C
Apr
5°
High: 11°C
Avg: 5°C
Low: -1°C
May
12°
High: 18°C
Avg: 12°C
Low: 5°C
Jun
15°
High: 21°C
Avg: 15°C
Low: 9°C
Jul
14°
High: 19°C
Avg: 14°C
Low: 8°C
Aug
9°
High: 13°C
Avg: 9°C
Low: 4°C
Sep
3°
High: 6°C
Avg: 3°C
Low: 0°C
Oct
-5°
High: -2°C
Avg: -5°C
Low: -8°C
Nov
-14°
High: -10°C
Avg: -14°C
Low: -18°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
15 mm
15.2 mm
Jan
5 mm
5.1 mm
Feb
18 mm
17.8 mm
Mar
13 mm
12.7 mm
Apr
41 mm
40.6 mm
May
58 mm
58.4 mm
Jun
94 mm
94.0 mm
Jul
89 mm
88.9 mm
Aug
114 mm
114.3 mm
Sep
86 mm
86.4 mm
Oct
69 mm
68.6 mm
Nov
41 mm
40.6 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7.5h9.5h11.5h13.5h15.5h17h16.5h14.5h12.5h10h8h7h
Jan: 8:28 AM – 4:12 PM · 7h 45m
Feb: 7:40 AM – 5:11 PM · 9h 30m
Mar: 7:36 AM – 7:05 PM · 11h 29m
Apr: 6:19 AM – 8:03 PM · 13h 44m
May: 5:17 AM – 8:57 PM · 15h 40m
Jun: 4:48 AM – 9:34 PM · 16h 47m
Jul: 5:07 AM – 9:26 PM · 16h 19m
Aug: 5:57 AM – 8:33 PM · 14h 36m
Sep: 6:53 AM – 7:17 PM · 12h 24m
Oct: 7:49 AM – 6:03 PM · 10h 14m
Nov: 7:48 AM – 4:03 PM · 8h 15m
Dec: 8:30 AM – 3:43 PM · 7h 13m
Daylight Eastern Time (ET) Longest: 16h 49m · Shortest: 7h 11m

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