Frost Dates for Weyburn, 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 25
First Fall Frost September 10

Hard Freeze (−2°C)

Last Spring Hard Freeze May 9
First Fall Hard Freeze September 27
49.70°N, -103.80°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

-20° -5° 10° 25°
-14°
High: -9°C
Avg: -14°C
Low: -19°C
Jan
-12°
High: -7°C
Avg: -12°C
Low: -18°C
Feb
-5°
High: 0°C
Avg: -5°C
Low: -10°C
Mar
4°
High: 11°C
Avg: 4°C
Low: -3°C
Apr
11°
High: 18°C
Avg: 11°C
Low: 4°C
May
16°
High: 23°C
Avg: 16°C
Low: 10°C
Jun
19°
High: 26°C
Avg: 19°C
Low: 12°C
Jul
19°
High: 26°C
Avg: 19°C
Low: 11°C
Aug
13°
High: 20°C
Avg: 13°C
Low: 5°C
Sep
5°
High: 11°C
Avg: 5°C
Low: -2°C
Oct
-4°
High: 1°C
Avg: -4°C
Low: -10°C
Nov
-11°
High: -6°C
Avg: -11°C
Low: -16°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
0 mm
0.0 mm
Jan
0 mm
0.0 mm
Feb
3 mm
2.5 mm
Mar
5 mm
5.1 mm
Apr
51 mm
50.8 mm
May
84 mm
83.8 mm
Jun
58 mm
58.4 mm
Jul
46 mm
45.7 mm
Aug
18 mm
17.8 mm
Sep
5 mm
5.1 mm
Oct
0 mm
0.0 mm
Nov
0 mm
0.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:49 AM – 4:11 PM · 8h 21m
Feb: 7:05 AM – 4:55 PM · 9h 51m
Mar: 6:13 AM – 5:47 PM · 11h 33m
Apr: 5:15 AM – 6:45 PM · 13h 30m
May: 4:25 AM – 7:35 PM · 15h 09m
Jun: 3:58 AM – 8:02 PM · 16h 04m
Jul: 4:09 AM – 7:51 PM · 15h 42m
Aug: 4:53 AM – 7:07 PM · 14h 15m
Sep: 5:50 AM – 6:10 PM · 12h 21m
Oct: 6:46 AM – 5:14 PM · 10h 28m
Nov: 7:37 AM – 4:23 PM · 8h 47m
Dec: 8:02 AM – 3:58 PM · 7h 55m
Daylight Longest: 16h 06m · Shortest: 7h 54m

Nearby Stations

Weyburn, SKMay 17 - September 18 Yellow Grass, SK May 21 - September 12 Midale, SKMay 17 - September 19 Estevan A, SK May 17 - September 16 Fortuna 1 W, ND May 19 - September 17 Westby, MTMay 18 - September 21

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview