Frost Dates for Vermilion, Canada

Based on data from Fabyan weather station, 27 miles away

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 21
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 27
First Fall Frost September 9

Hard Freeze (−2°C)

Last Spring Hard Freeze May 9
First Fall Hard Freeze September 23
53.35°N, -110.86°W © OpenStreetMap

Growing Season

116 Days May 21 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

-20° -5° 10° 25°
-14°
High: -8°C
Avg: -14°C
Low: -19°C
Jan
-12°
High: -6°C
Avg: -12°C
Low: -18°C
Feb
-6°
High: 0°C
Avg: -6°C
Low: -12°C
Mar
3°
High: 10°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: 8°C
Jun
17°
High: 24°C
Avg: 17°C
Low: 10°C
Jul
16°
High: 23°C
Avg: 16°C
Low: 9°C
Aug
11°
High: 18°C
Avg: 11°C
Low: 4°C
Sep
3°
High: 9°C
Avg: 3°C
Low: -3°C
Oct
-6°
High: -1°C
Avg: -6°C
Low: -11°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 30 mm 60 mm 90 mm
0 mm
0.0 mm
Jan
0 mm
0.0 mm
Feb
3 mm
2.5 mm
Mar
20 mm
20.3 mm
Apr
41 mm
40.6 mm
May
84 mm
83.8 mm
Jun
76 mm
76.2 mm
Jul
43 mm
43.2 mm
Aug
33 mm
33.0 mm
Sep
5 mm
5.1 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: 8:04 AM – 3:56 PM · 7h 52m
Feb: 7:13 AM – 4:47 PM · 9h 34m
Mar: 6:15 AM – 5:45 PM · 11h 30m
Apr: 5:09 AM – 6:51 PM · 13h 42m
May: 4:13 AM – 7:47 PM · 15h 34m
Jun: 3:41 AM – 8:19 PM · 16h 39m
Jul: 3:54 AM – 8:06 PM · 16h 12m
Aug: 4:44 AM – 7:16 PM · 14h 32m
Sep: 5:48 AM – 6:12 PM · 12h 24m
Oct: 6:52 AM – 5:08 PM · 10h 16m
Nov: 7:50 AM – 4:10 PM · 8h 21m
Dec: 8:20 AM – 3:40 PM · 7h 21m
Daylight Longest: 16h 41m · Shortest: 7h 19m

Nearby Stations

Wainwright Cfb Airfield 21, AB May 17 - September 21 Sedgewick Town, AB May 19 - September 15 Ranfurly 2nw, AB May 18 - September 17 Lloydminster A, AB May 17 - September 17 Coronation Climate, AB May 29 - September 11 Waseca, SKMay 20 - September 17

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