Frost Dates for High Level A, Canada

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 30
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 6
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 June 4
First Fall Frost August 30

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 15
First Fall Hard Freeze September 18
58.62°N, -117.17°W © OpenStreetMap

Growing Season

99 Days May 30 to September 6

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 2b

Learn more

Temperature

-20° 10° 40° 70°
-4°
High: 6°
Avg: -4°
Low: -13°
Jan
3°
High: 14°
Avg: 3°
Low: -8°
Feb
15°
High: 27°
Avg: 15°
Low: 3°
Mar
35°
High: 47°
Avg: 35°
Low: 23°
Apr
49°
High: 62°
Avg: 49°
Low: 36°
May
59°
High: 71°
Avg: 59°
Low: 46°
Jun
62°
High: 74°
Avg: 62°
Low: 51°
Jul
59°
High: 71°
Avg: 59°
Low: 47°
Aug
48°
High: 60°
Avg: 48°
Low: 37°
Sep
34°
High: 42°
Avg: 34°
Low: 25°
Oct
12°
High: 20°
Avg: 12°
Low: 4°
Nov
0°
High: 9°
Avg: 0°
Low: -9°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 1" 2" 3" 3.1"
0.1"
0.10"
Jan
0.0"
0.00"
Feb
0.2"
0.20"
Mar
0.2"
0.20"
Apr
0.8"
0.80"
May
2.3"
2.30"
Jun
3.1"
3.10"
Jul
1.5"
1.50"
Aug
1.0"
1.00"
Sep
0.1"
0.10"
Oct
0.1"
0.10"
Nov
0.2"
0.20"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7h9h11h14h17h18h17h15h12h10h7h6h
Jan: 8:39 AM – 3:21 PM · 6h 43m
Feb: 7:31 AM – 4:29 PM · 8h 58m
Mar: 6:19 AM – 5:41 PM · 11h 23m
Apr: 4:57 AM – 7:03 PM · 14h 06m
May: 3:44 AM – 8:16 PM · 16h 31m
Jun: 3:00 AM – 8:60 PM · 17h 60m
Jul: 3:19 AM – 8:41 PM · 17h 22m
Aug: 4:25 AM – 7:35 PM · 15h 10m
Sep: 5:45 AM – 6:15 PM · 12h 29m
Oct: 7:04 AM – 4:56 PM · 9h 51m
Nov: 8:19 AM – 3:41 PM · 7h 22m
Dec: 9:00 AM – 2:60 PM · 5h 60m
Daylight Longest: 18h 03m · Shortest: 5h 58m

Nearby Stations

Fort Vermilion, Canada May 17 - September 18

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