Frost Dates for Rich Lake Agdm, AB

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 28
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 10
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 June 3
First Fall Frost September 5

Hard Freeze (−2°C)

Last Spring Hard Freeze May 15
First Fall Hard Freeze September 20
54.50°N, -111.70°W © OpenStreetMap

Growing Season

105 Days May 28 to September 10

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°
-14°
High: -8°C
Avg: -14°C
Low: -19°C
Jan
-12°
High: -6°C
Avg: -12°C
Low: -18°C
Feb
-6°
High: 0°C
Avg: -6°C
Low: -12°C
Mar
2°
High: 9°C
Avg: 2°C
Low: -4°C
Apr
9°
High: 16°C
Avg: 9°C
Low: 2°C
May
14°
High: 20°C
Avg: 14°C
Low: 7°C
Jun
17°
High: 23°C
Avg: 17°C
Low: 10°C
Jul
15°
High: 21°C
Avg: 15°C
Low: 8°C
Aug
10°
High: 16°C
Avg: 10°C
Low: 3°C
Sep
3°
High: 8°C
Avg: 3°C
Low: -3°C
Oct
-6°
High: -2°C
Avg: -6°C
Low: -11°C
Nov
-12°
High: -7°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 20 mm 40 mm 60 mm 80 mm
0 mm
0.0 mm
Jan
0 mm
0.0 mm
Feb
5 mm
5.1 mm
Mar
20 mm
20.3 mm
Apr
38 mm
38.1 mm
May
79 mm
78.7 mm
Jun
79 mm
78.7 mm
Jul
48 mm
48.3 mm
Aug
28 mm
27.9 mm
Sep
10 mm
10.2 mm
Oct
3 mm
2.5 mm
Nov
0 mm
0.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7.5h9.5h11.5h14h16h17h16.5h14.5h12.5h10h8h7h
Jan: 8:12 AM – 3:48 PM · 7h 35m
Feb: 7:17 AM – 4:43 PM · 9h 25m
Mar: 6:16 AM – 5:44 PM · 11h 28m
Apr: 5:06 AM – 6:54 PM · 13h 48m
May: 4:06 AM – 7:54 PM · 15h 48m
Jun: 3:31 AM – 8:29 PM · 16h 57m
Jul: 3:46 AM – 8:14 PM · 16h 28m
Aug: 4:40 AM – 7:20 PM · 14h 41m
Sep: 5:48 AM – 6:12 PM · 12h 25m
Oct: 6:55 AM – 5:05 PM · 10h 10m
Nov: 7:57 AM – 4:03 PM · 8h 07m
Dec: 8:29 AM – 3:31 PM · 7h 02m
Daylight Longest: 16h 60m · Shortest: 7h 00m

Nearby Stations

Lac La Biche Climate, AB May 24 - September 21 Andrew, ABMay 20 - September 13 Cold Lake A, AB May 19 - September 16 Vegreville, AB May 19 - September 11 Elk Island Nat Park, AB May 16 - September 20 Ranfurly 2nw, AB May 18 - September 17

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