Frost Dates for Wainwright Cfb Airfield 21, 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 17
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 21
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 21
First Fall Frost September 18

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 5
First Fall Hard Freeze September 30
52.83°N, -111.10°W © OpenStreetMap

Growing Season

127 Days May 17 to September 21

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

Learn more

Temperature

-10° 20° 50° 80°
9°
High: 18°
Avg: 9°
Low: 0°
Jan
12°
High: 22°
Avg: 12°
Low: 2°
Feb
23°
High: 32°
Avg: 23°
Low: 14°
Mar
40°
High: 51°
Avg: 40°
Low: 29°
Apr
51°
High: 63°
Avg: 51°
Low: 39°
May
59°
High: 70°
Avg: 59°
Low: 48°
Jun
64°
High: 76°
Avg: 64°
Low: 53°
Jul
62°
High: 75°
Avg: 62°
Low: 50°
Aug
53°
High: 65°
Avg: 53°
Low: 41°
Sep
40°
High: 50°
Avg: 40°
Low: 30°
Oct
24°
High: 33°
Avg: 24°
Low: 16°
Nov
12°
High: 20°
Avg: 12°
Low: 3°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 2.8"
0.3"
0.30"
Jan
0.2"
0.20"
Feb
0.2"
0.20"
Mar
1.0"
1.00"
Apr
1.8"
1.80"
May
2.8"
2.80"
Jun
1.9"
1.90"
Jul
1.7"
1.70"
Aug
1.2"
1.20"
Sep
0.6"
0.60"
Oct
0.2"
0.20"
Nov
0.0"
0.00"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h10h12h14h16h17h16h15h12h10h8h7h
Jan: 8:04 AM – 3:56 PM · 7h 53m
Feb: 7:13 AM – 4:47 PM · 9h 35m
Mar: 6:15 AM – 5:45 PM · 11h 30m
Apr: 5:09 AM – 6:51 PM · 13h 41m
May: 4:13 AM – 7:47 PM · 15h 33m
Jun: 3:41 AM – 8:19 PM · 16h 37m
Jul: 3:55 AM – 8:05 PM · 16h 11m
Aug: 4:44 AM – 7:16 PM · 14h 31m
Sep: 5:48 AM – 6:12 PM · 12h 23m
Oct: 6:52 AM – 5:08 PM · 10h 17m
Nov: 7:49 AM – 4:11 PM · 8h 22m
Dec: 8:19 AM – 3:41 PM · 7h 23m
Daylight Longest: 16h 39m · Shortest: 7h 21m

Nearby Stations

Fabyan, Canada May 21 - September 14 Sedgewick Town, Canada May 19 - September 15 Ranfurly 2nw, Canada May 18 - September 17 Forestburg Plant Site, Canada May 12 - September 25 Lloydminster A, Canada May 17 - September 17 Coronation Climate, Canada May 29 - September 11

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