Frost Dates for Barrhead, Canada

Based on data from Barrhead Cs weather station, 3 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 21
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 15
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 11

Hard Freeze (−2°C)

Last Spring Hard Freeze May 12
First Fall Hard Freeze September 23
54.13°N, -114.40°W © OpenStreetMap

Growing Season

117 Days May 21 to September 15

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.

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: -5°C
Avg: -11°C
Low: -17°C
Jan
-10°
High: -3°C
Avg: -10°C
Low: -17°C
Feb
-5°
High: 2°C
Avg: -5°C
Low: -12°C
Mar
4°
High: 11°C
Avg: 4°C
Low: -3°C
Apr
11°
High: 18°C
Avg: 11°C
Low: 3°C
May
15°
High: 22°C
Avg: 15°C
Low: 8°C
Jun
17°
High: 24°C
Avg: 17°C
Low: 10°C
Jul
16°
High: 23°C
Avg: 16°C
Low: 8°C
Aug
11°
High: 18°C
Avg: 11°C
Low: 3°C
Sep
4°
High: 10°C
Avg: 4°C
Low: -3°C
Oct
-5°
High: 1°C
Avg: -5°C
Low: -10°C
Nov
-12°
High: -6°C
Avg: -12°C
Low: -17°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
0 mm
0.0 mm
Jan
0 mm
0.0 mm
Feb
5 mm
5.1 mm
Mar
5 mm
5.1 mm
Apr
38 mm
38.1 mm
May
64 mm
63.5 mm
Jun
89 mm
88.9 mm
Jul
41 mm
40.6 mm
Aug
18 mm
17.8 mm
Sep
10 mm
10.2 mm
Oct
8 mm
7.6 mm
Nov
0 mm
0.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7.5h9.5h11.5h14h15.5h17h16.5h14.5h12.5h10h8h7h
Jan: 8:10 AM – 3:50 PM · 7h 40m
Feb: 7:16 AM – 4:44 PM · 9h 28m
Mar: 6:16 AM – 5:44 PM · 11h 29m
Apr: 5:07 AM – 6:53 PM · 13h 46m
May: 4:08 AM – 7:52 PM · 15h 44m
Jun: 3:34 AM – 8:26 PM · 16h 52m
Jul: 3:48 AM – 8:12 PM · 16h 24m
Aug: 4:41 AM – 7:19 PM · 14h 38m
Sep: 5:48 AM – 6:12 PM · 12h 25m
Oct: 6:54 AM – 5:06 PM · 10h 12m
Nov: 7:55 AM – 4:05 PM · 8h 11m
Dec: 8:26 AM – 3:34 PM · 7h 07m
Daylight Longest: 16h 55m · Shortest: 7h 06m

Nearby Stations

Campsie, ABJune 3 - September 2 Busby, ABMay 21 - September 20 Dapp Agdm, ABMay 28 - August 21 Edmonton Stony Plain, AB May 12 - September 22 Edmonton Stony Plain Cs, AB May 8 - September 23 Entwistle, AB May 20 - September 15

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