Frost Dates for Treelon, 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 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 21
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 15

Hard Freeze (−2°C)

Last Spring Hard Freeze May 7
First Fall Hard Freeze September 29
49.00°N, -108.38°W © OpenStreetMap

Growing Season

121 Days May 23 to September 21

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 4a

Avg. annual minimum: −30 to −25°F (−34 to −32°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

BSk Cold Semi-Arid (Steppe)

Cool to cold with low rainfall and wide temperature swings. Common in the western Great Plains and central Asia. Short growing seasons benefit from season extension techniques.

Köppen climate map

Temperature

-20° -5° 10° 25°
-10°
High: -4°C
Avg: -10°C
Low: -16°C
Jan
-7°
High: -2°C
Avg: -7°C
Low: -13°C
Feb
-2°
High: 4°C
Avg: -2°C
Low: -8°C
Mar
5°
High: 12°C
Avg: 5°C
Low: -1°C
Apr
11°
High: 18°C
Avg: 11°C
Low: 4°C
May
15°
High: 22°C
Avg: 15°C
Low: 9°C
Jun
19°
High: 27°C
Avg: 19°C
Low: 11°C
Jul
19°
High: 27°C
Avg: 19°C
Low: 10°C
Aug
13°
High: 21°C
Avg: 13°C
Low: 5°C
Sep
5°
High: 12°C
Avg: 5°C
Low: -1°C
Oct
-2°
High: 3°C
Avg: -2°C
Low: -8°C
Nov
-8°
High: -2°C
Avg: -8°C
Low: -13°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
3 mm
2.5 mm
Feb
0 mm
0.0 mm
Mar
13 mm
12.7 mm
Apr
51 mm
50.8 mm
May
84 mm
83.8 mm
Jun
43 mm
43.2 mm
Jul
28 mm
27.9 mm
Aug
20 mm
20.3 mm
Sep
0 mm
0.0 mm
Oct
0 mm
0.0 mm
Nov
3 mm
2.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:46 AM – 4:14 PM · 8h 27m
Feb: 7:03 AM – 4:57 PM · 9h 54m
Mar: 6:13 AM – 5:47 PM · 11h 34m
Apr: 5:16 AM – 6:44 PM · 13h 28m
May: 4:28 AM – 7:32 PM · 15h 04m
Jun: 4:01 AM – 7:59 PM · 15h 58m
Jul: 4:12 AM – 7:48 PM · 15h 36m
Aug: 4:54 AM – 7:06 PM · 14h 11m
Sep: 5:50 AM – 6:10 PM · 12h 20m
Oct: 6:45 AM – 5:15 PM · 10h 30m
Nov: 7:34 AM – 4:26 PM · 8h 52m
Dec: 7:59 AM – 4:01 PM · 8h 02m
Daylight Longest: 15h 59m · Shortest: 8h 01m

Nearby Stations

Turner 11n, MT May 19 - September 21 Port Of Morgan, MT May 19 - September 22 Claydon, SKMay 19 - September 16 Val-Marie, SKJune 2 - September 2 Val Marie Southeast, SK May 26 - September 13 Harlem, MTMay 16 - September 21

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