Frost Dates for Duval, 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 16
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 22
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 20
First Fall Frost September 17

Hard Freeze (−2°C)

Last Spring Hard Freeze May 4
First Fall Hard Freeze October 7
51.18°N, -104.87°W © OpenStreetMap

Growing Season

129 Days May 16 to September 22

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

-20° -5° 10° 25°
-14°
High: -10°C
Avg: -14°C
Low: -19°C
Jan
-12°
High: -8°C
Avg: -12°C
Low: -16°C
Feb
-5°
High: 0°C
Avg: -5°C
Low: -9°C
Mar
4°
High: 10°C
Avg: 4°C
Low: -1°C
Apr
11°
High: 17°C
Avg: 11°C
Low: 5°C
May
16°
High: 21°C
Avg: 16°C
Low: 11°C
Jun
19°
High: 24°C
Avg: 19°C
Low: 13°C
Jul
18°
High: 24°C
Avg: 18°C
Low: 12°C
Aug
13°
High: 19°C
Avg: 13°C
Low: 7°C
Sep
5°
High: 10°C
Avg: 5°C
Low: 0°C
Oct
-5°
High: -1°C
Avg: -5°C
Low: -9°C
Nov
-11°
High: -7°C
Avg: -11°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
10 mm
10.2 mm
Jan
0 mm
0.0 mm
Feb
0 mm
0.0 mm
Mar
20 mm
20.3 mm
Apr
53 mm
53.3 mm
May
91 mm
91.4 mm
Jun
76 mm
76.2 mm
Jul
64 mm
63.5 mm
Aug
33 mm
33.0 mm
Sep
15 mm
15.2 mm
Oct
10 mm
10.2 mm
Nov
0 mm
0.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h16.5h16h14.5h12.5h10.5h8.5h7.5h
Jan: 7:56 AM – 4:04 PM · 8h 08m
Feb: 7:08 AM – 4:52 PM · 9h 43m
Mar: 6:14 AM – 5:46 PM · 11h 32m
Apr: 5:12 AM – 6:48 PM · 13h 35m
May: 4:20 AM – 7:40 PM · 15h 20m
Jun: 3:50 AM – 8:10 PM · 16h 19m
Jul: 4:03 AM – 7:57 PM · 15h 55m
Aug: 4:49 AM – 7:11 PM · 14h 22m
Sep: 5:49 AM – 6:11 PM · 12h 22m
Oct: 6:49 AM – 5:11 PM · 10h 23m
Nov: 7:42 AM – 4:18 PM · 8h 35m
Dec: 8:10 AM – 3:50 PM · 7h 41m
Daylight Longest: 16h 21m · Shortest: 7h 39m

Nearby Stations

Last Mountain Cs, SK May 23 - September 11 Holdfast, SKMay 20 - September 16 Cupar, SKMay 25 - September 11 Watrous East, SK May 19 - September 13 Lipton 2, SKMay 25 - September 9 Kelliher, SKMay 20 - September 20

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