Frost Dates for Stavely Aafc, Canada

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 18
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 23
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 23
First Fall Frost September 16

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 2
First Fall Hard Freeze October 5
50.18°N, -113.88°W © OpenStreetMap

Growing Season

128 Days May 18 to September 23

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 4b

Learn more

Temperature

10° 30° 50° 70°
24°
High: 33°
Avg: 24°
Low: 16°
Jan
24°
High: 33°
Avg: 24°
Low: 15°
Feb
30°
High: 39°
Avg: 30°
Low: 21°
Mar
39°
High: 48°
Avg: 39°
Low: 29°
Apr
48°
High: 58°
Avg: 48°
Low: 39°
May
55°
High: 64°
Avg: 55°
Low: 46°
Jun
62°
High: 72°
Avg: 62°
Low: 51°
Jul
61°
High: 72°
Avg: 61°
Low: 50°
Aug
53°
High: 63°
Avg: 53°
Low: 43°
Sep
42°
High: 51°
Avg: 42°
Low: 33°
Oct
32°
High: 40°
Avg: 32°
Low: 24°
Nov
25°
High: 33°
Avg: 25°
Low: 16°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 4.7"
0.0"
0.00"
Jan
0.0"
0.00"
Feb
0.0"
0.00"
Mar
1.1"
1.10"
Apr
2.7"
2.70"
May
4.7"
4.70"
Jun
2.1"
2.10"
Jul
1.8"
1.80"
Aug
1.7"
1.70"
Sep
0.3"
0.30"
Oct
0.3"
0.30"
Nov
0.0"
0.00"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h10h12h14h15h16h16h14h12h10h9h8h
Jan: 7:51 AM – 4:09 PM · 8h 17m
Feb: 7:06 AM – 4:54 PM · 9h 48m
Mar: 6:14 AM – 5:46 PM · 11h 33m
Apr: 5:14 AM – 6:46 PM · 13h 32m
May: 4:24 AM – 7:36 PM · 15h 13m
Jun: 3:55 AM – 8:05 PM · 16h 09m
Jul: 4:07 AM – 7:53 PM · 15h 46m
Aug: 4:52 AM – 7:08 PM · 14h 17m
Sep: 5:49 AM – 6:11 PM · 12h 21m
Oct: 6:47 AM – 5:13 PM · 10h 26m
Nov: 7:38 AM – 4:22 PM · 8h 43m
Dec: 8:05 AM – 3:55 PM · 7h 51m
Daylight Longest: 16h 11m · Shortest: 7h 49m

Nearby Stations

Claresholm, Canada May 20 - September 14 Pekisko, CanadaJune 9 - August 16 Okotoks, Canada May 23 - September 13 Brocket Agdm, Canada May 14 - September 21 Monarch, Canada May 25 - September 10 Connelly Creek, Canada May 30 - September 6

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