Frost Dates for Bentley, AB

Based on data from Lacombe Cda 2 weather station, 13 miles away

Elevation: 907 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 24
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 29
First Fall Frost September 11

Hard Freeze (−2°C)

Last Spring Hard Freeze May 14
First Fall Hard Freeze September 24
52.47°N, -114.05°W © OpenStreetMap

Growing Season

114 Days May 24 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 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°
-11°
High: -5°C
Avg: -11°C
Low: -17°C
Jan
-9°
High: -2°C
Avg: -9°C
Low: -16°C
Feb
-5°
High: 2°C
Avg: -5°C
Low: -11°C
Mar
3°
High: 10°C
Avg: 3°C
Low: -3°C
Apr
10°
High: 17°C
Avg: 10°C
Low: 3°C
May
14°
High: 20°C
Avg: 14°C
Low: 7°C
Jun
16°
High: 23°C
Avg: 16°C
Low: 9°C
Jul
15°
High: 22°C
Avg: 15°C
Low: 8°C
Aug
10°
High: 18°C
Avg: 10°C
Low: 3°C
Sep
4°
High: 11°C
Avg: 4°C
Low: -3°C
Oct
-4°
High: 1°C
Avg: -4°C
Low: -10°C
Nov
-10°
High: -4°C
Avg: -10°C
Low: -16°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
10 mm
10.2 mm
Mar
8 mm
7.6 mm
Apr
46 mm
45.7 mm
May
76 mm
76.2 mm
Jun
91 mm
91.4 mm
Jul
61 mm
61.0 mm
Aug
25 mm
25.4 mm
Sep
3 mm
2.5 mm
Oct
3 mm
2.5 mm
Nov
0 mm
0.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h16.5h16h14.5h12.5h10.5h8.5h7.5h
Jan: 8:46 AM – 4:43 PM · 7h 57m
Feb: 8:01 AM – 5:38 PM · 9h 37m
Mar: 7:59 AM – 7:30 PM · 11h 31m
Apr: 6:45 AM – 8:25 PM · 13h 40m
May: 5:46 AM – 9:16 PM · 15h 30m
Jun: 5:19 AM – 9:52 PM · 16h 33m
Jul: 5:37 AM – 9:44 PM · 16h 07m
Aug: 6:25 AM – 8:54 PM · 14h 29m
Sep: 7:18 AM – 7:41 PM · 12h 23m
Oct: 8:11 AM – 6:29 PM · 10h 18m
Nov: 8:08 AM – 4:33 PM · 8h 25m
Dec: 8:47 AM – 4:14 PM · 7h 27m
Daylight Mountain Time (MT) Longest: 16h 35m · Shortest: 7h 25m

Nearby Stations

Red Deer, ABMay 18 - September 19 Red Deer A, AB May 23 - September 12 Dakota West, AB May 26 - September 14 Eckville South, AB May 22 - September 12 Brightview, AB May 18 - September 17 Olds, ABMay 18 - September 18

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