Frost Dates for Holdfast, SK

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 20
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 16
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 24
First Fall Frost September 11

Hard Freeze (−2°C)

Last Spring Hard Freeze May 7
First Fall Hard Freeze September 27
51.00°N, -105.52°W © OpenStreetMap

Growing Season

119 Days May 20 to September 16

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

Avg. annual minimum: −35 to −30°F (−37 to −34°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°
-15°
High: -10°C
Avg: -15°C
Low: -20°C
Jan
-12°
High: -7°C
Avg: -12°C
Low: -18°C
Feb
-5°
High: 0°C
Avg: -5°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
16°
High: 22°C
Avg: 16°C
Low: 10°C
Jun
18°
High: 25°C
Avg: 18°C
Low: 11°C
Jul
18°
High: 25°C
Avg: 18°C
Low: 10°C
Aug
12°
High: 20°C
Avg: 12°C
Low: 5°C
Sep
5°
High: 11°C
Avg: 5°C
Low: -2°C
Oct
-4°
High: 0°C
Avg: -4°C
Low: -9°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
10 mm
10.2 mm
Jan
0 mm
0.0 mm
Feb
3 mm
2.5 mm
Mar
25 mm
25.4 mm
Apr
43 mm
43.2 mm
May
79 mm
78.7 mm
Jun
51 mm
50.8 mm
Jul
58 mm
58.4 mm
Aug
25 mm
25.4 mm
Sep
10 mm
10.2 mm
Oct
8 mm
7.6 mm
Nov
0 mm
0.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h16.5h16h14.5h12.5h10.5h8.5h7.5h
Jan: 7:55 AM – 4:05 PM · 8h 10m
Feb: 7:08 AM – 4:52 PM · 9h 44m
Mar: 6:14 AM – 5:46 PM · 11h 32m
Apr: 5:13 AM – 6:47 PM · 13h 35m
May: 4:21 AM – 7:39 PM · 15h 19m
Jun: 3:51 AM – 8:09 PM · 16h 17m
Jul: 4:03 AM – 7:57 PM · 15h 53m
Aug: 4:49 AM – 7:11 PM · 14h 21m
Sep: 5:49 AM – 6:11 PM · 12h 22m
Oct: 6:48 AM – 5:12 PM · 10h 24m
Nov: 7:42 AM – 4:18 PM · 8h 37m
Dec: 8:09 AM – 3:51 PM · 7h 42m
Daylight Longest: 16h 19m · Shortest: 7h 41m

Nearby Stations

Duval, SKMay 16 - September 22 Last Mountain Cs, SK May 23 - September 11 Buffalo Pound Lake, SK May 18 - September 19 Moose Jaw Cs, SK May 22 - September 15 Elbow 2 Ne, SK May 23 - September 11 Watrous East, SK May 19 - September 13

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