Frost Dates for Fort Saskatchewan, 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 21
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 17
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 27
First Fall Frost September 12

Hard Freeze (−2°C)

Last Spring Hard Freeze May 11
First Fall Hard Freeze September 29
53.72°N, -113.18°W © OpenStreetMap

Growing Season

119 Days May 21 to September 17

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°
-12°
High: -7°C
Avg: -12°C
Low: -18°C
Jan
-10°
High: -4°C
Avg: -10°C
Low: -15°C
Feb
-4°
High: 2°C
Avg: -4°C
Low: -10°C
Mar
5°
High: 11°C
Avg: 5°C
Low: -2°C
Apr
11°
High: 18°C
Avg: 11°C
Low: 4°C
May
15°
High: 21°C
Avg: 15°C
Low: 9°C
Jun
17°
High: 24°C
Avg: 17°C
Low: 11°C
Jul
16°
High: 23°C
Avg: 16°C
Low: 10°C
Aug
11°
High: 17°C
Avg: 11°C
Low: 5°C
Sep
5°
High: 10°C
Avg: 5°C
Low: -1°C
Oct
-5°
High: 0°C
Avg: -5°C
Low: -10°C
Nov
-10°
High: -5°C
Avg: -10°C
Low: -15°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
13 mm
12.7 mm
Jan
3 mm
2.5 mm
Feb
20 mm
20.3 mm
Mar
18 mm
17.8 mm
Apr
46 mm
45.7 mm
May
74 mm
73.7 mm
Jun
86 mm
86.4 mm
Jul
46 mm
45.7 mm
Aug
30 mm
30.5 mm
Sep
8 mm
7.6 mm
Oct
18 mm
17.8 mm
Nov
13 mm
12.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7.5h9.5h11.5h13.5h15.5h17h16.5h14.5h12.5h10h8h7h
Jan: 8:08 AM – 3:52 PM · 7h 44m
Feb: 7:15 AM – 4:45 PM · 9h 30m
Mar: 6:15 AM – 5:45 PM · 11h 29m
Apr: 5:08 AM – 6:52 PM · 13h 44m
May: 4:10 AM – 7:50 PM · 15h 41m
Jun: 3:36 AM – 8:24 PM · 16h 48m
Jul: 3:50 AM – 8:10 PM · 16h 20m
Aug: 4:42 AM – 7:18 PM · 14h 36m
Sep: 5:48 AM – 6:12 PM · 12h 24m
Oct: 6:53 AM – 5:07 PM · 10h 13m
Nov: 7:53 AM – 4:07 PM · 8h 14m
Dec: 8:24 AM – 3:36 PM · 7h 12m
Daylight Longest: 16h 50m · Shortest: 7h 10m

Nearby Stations

Edmonton Namao Awos A, AB May 19 - September 16 Elk Island Nat Park, AB May 16 - September 20 Edmonton Municipal Cr10, AB May 5 - September 27 University Of Alberta Metaboli, AB May 15 - September 20 Tofield North, AB May 25 - September 16 Edmonton Woodbend, AB May 30 - September 12

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