Frost Dates for Shellbrook, SK

Based on data from Prince Albert A weather station, 30 miles away

Elevation: 494 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 14
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 9

Hard Freeze (−2°C)

Last Spring Hard Freeze May 13
First Fall Hard Freeze September 24
53.22°N, -106.40°W © OpenStreetMap

Growing Season

114 Days May 23 to September 14

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

-25° -10° 5° 20°
-17°
High: -12°C
Avg: -17°C
Low: -23°C
Jan
-14°
High: -8°C
Avg: -14°C
Low: -20°C
Feb
-7°
High: -1°C
Avg: -7°C
Low: -13°C
Mar
3°
High: 9°C
Avg: 3°C
Low: -3°C
Apr
10°
High: 17°C
Avg: 10°C
Low: 3°C
May
15°
High: 21°C
Avg: 15°C
Low: 9°C
Jun
18°
High: 24°C
Avg: 18°C
Low: 12°C
Jul
17°
High: 23°C
Avg: 17°C
Low: 10°C
Aug
11°
High: 18°C
Avg: 11°C
Low: 4°C
Sep
3°
High: 9°C
Avg: 3°C
Low: -2°C
Oct
-6°
High: -2°C
Avg: -6°C
Low: -11°C
Nov
-15°
High: -10°C
Avg: -15°C
Low: -20°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
3 mm
2.5 mm
Jan
0 mm
0.0 mm
Feb
3 mm
2.5 mm
Mar
20 mm
20.3 mm
Apr
30 mm
30.5 mm
May
91 mm
91.4 mm
Jun
86 mm
86.4 mm
Jul
41 mm
40.6 mm
Aug
38 mm
38.1 mm
Sep
25 mm
25.4 mm
Oct
3 mm
2.5 mm
Nov
3 mm
2.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h16.5h16h14.5h12.5h10.5h8.5h7.5h
Jan: 9:18 AM – 5:07 PM · 7h 49m
Feb: 8:31 AM – 6:04 PM · 9h 33m
Mar: 7:27 AM – 6:57 PM · 11h 30m
Apr: 6:12 AM – 7:54 PM · 13h 43m
May: 5:11 AM – 8:47 PM · 15h 37m
Jun: 4:42 AM – 9:24 PM · 16h 42m
Jul: 5:01 AM – 9:16 PM · 16h 15m
Aug: 5:50 AM – 8:23 PM · 14h 33m
Sep: 6:45 AM – 7:09 PM · 12h 24m
Oct: 7:40 AM – 5:56 PM · 10h 15m
Nov: 8:38 AM – 4:57 PM · 8h 19m
Dec: 9:19 AM – 4:38 PM · 7h 18m
Daylight Central Standard Time (CST) Longest: 16h 44m · Shortest: 7h 16m

Nearby Stations

Waskesiu Lake, SK May 21 - September 24 Melfort, SKMay 22 - September 16 Pilger, SKMay 21 - September 16 Muenster, SKMay 21 - September 14 Saskatoon Diefenbaker Int'L A, SK May 21 - September 15 Saskatoon Water Tp, SK May 11 - September 21

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