Frost Dates for Penhold, AB

Based on data from Red Deer A weather station, 4 miles away

Elevation: 895 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 23
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 12
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 28
First Fall Frost September 8

Hard Freeze (−2°C)

Last Spring Hard Freeze May 13
First Fall Hard Freeze September 21
52.13°N, -113.87°W © OpenStreetMap

Growing Season

112 Days May 23 to September 12

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: -6°C
Avg: -12°C
Low: -18°C
Jan
-9°
High: -3°C
Avg: -9°C
Low: -15°C
Feb
-4°
High: 2°C
Avg: -4°C
Low: -10°C
Mar
4°
High: 10°C
Avg: 4°C
Low: -3°C
Apr
9°
High: 16°C
Avg: 9°C
Low: 2°C
May
14°
High: 20°C
Avg: 14°C
Low: 8°C
Jun
16°
High: 23°C
Avg: 16°C
Low: 10°C
Jul
15°
High: 22°C
Avg: 15°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: -11°C
Nov
-11°
High: -5°C
Avg: -11°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 50 mm 100 mm
3 mm
2.5 mm
Jan
0 mm
0.0 mm
Feb
8 mm
7.6 mm
Mar
18 mm
17.8 mm
Apr
56 mm
55.9 mm
May
102 mm
101.6 mm
Jun
91 mm
91.4 mm
Jul
76 mm
76.2 mm
Aug
41 mm
40.6 mm
Sep
13 mm
12.7 mm
Oct
5 mm
5.1 mm
Nov
3 mm
2.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h16.5h16h14.5h12.5h10.5h8.5h7.5h
Jan: 8:45 AM – 4:45 PM · 7h 59m
Feb: 8:01 AM – 5:39 PM · 9h 38m
Mar: 7:60 AM – 7:31 PM · 11h 31m
Apr: 6:46 AM – 8:25 PM · 13h 39m
May: 5:48 AM – 9:16 PM · 15h 28m
Jun: 5:21 AM – 9:51 PM · 16h 30m
Jul: 5:39 AM – 9:43 PM · 16h 04m
Aug: 6:26 AM – 8:53 PM · 14h 27m
Sep: 7:19 AM – 7:42 PM · 12h 23m
Oct: 8:11 AM – 6:30 PM · 10h 19m
Nov: 8:07 AM – 4:34 PM · 8h 27m
Dec: 8:46 AM – 4:16 PM · 7h 30m
Daylight Mountain Time (MT) Longest: 16h 32m · Shortest: 7h 28m

Nearby Stations

Red Deer, ABMay 18 - September 19 Lacombe Cda 2, AB May 24 - September 15 Eckville South, AB May 22 - September 12 Olds, ABMay 18 - September 18 Dakota West, AB May 26 - September 14 Three Hills, AB May 22 - September 15

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