Frost Dates for Fort Smith 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 8
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 September 3

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 17
First Fall Hard Freeze September 21
60.02°N, -111.97°W © OpenStreetMap

Growing Season

101 Days May 30 to September 8

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°
-8°
High: 0°
Avg: -8°
Low: -16°
Jan
-1°
High: 9°
Avg: -1°
Low: -11°
Feb
10°
High: 22°
Avg: 10°
Low: -2°
Mar
31°
High: 42°
Avg: 31°
Low: 19°
Apr
46°
High: 58°
Avg: 46°
Low: 35°
May
59°
High: 71°
Avg: 59°
Low: 47°
Jun
64°
High: 75°
Avg: 64°
Low: 52°
Jul
59°
High: 70°
Avg: 59°
Low: 48°
Aug
48°
High: 58°
Avg: 48°
Low: 39°
Sep
33°
High: 40°
Avg: 33°
Low: 26°
Oct
14°
High: 20°
Avg: 14°
Low: 7°
Nov
-2°
High: 6°
Avg: -2°
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" 2.4"
0.0"
0.00"
Jan
0.0"
0.00"
Feb
0.0"
0.00"
Mar
0.0"
0.00"
Apr
0.7"
0.70"
May
1.8"
1.80"
Jun
2.4"
2.40"
Jul
2.2"
2.20"
Aug
1.8"
1.80"
Sep
0.6"
0.60"
Oct
0.1"
0.10"
Nov
0.0"
0.00"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec6h9h11h14h17h18h18h15h13h10h7h6h
Jan: 8:50 AM – 3:10 PM · 6h 21m
Feb: 7:37 AM – 4:23 PM · 8h 47m
Mar: 6:20 AM – 5:40 PM · 11h 21m
Apr: 4:53 AM – 7:07 PM · 14h 14m
May: 3:35 AM – 8:25 PM · 16h 49m
Jun: 2:47 AM – 9:13 PM · 18h 27m
Jul: 3:08 AM – 8:52 PM · 17h 45m
Aug: 4:19 AM – 7:41 PM · 15h 21m
Sep: 5:45 AM – 6:15 PM · 12h 31m
Oct: 7:08 AM – 4:52 PM · 9h 44m
Nov: 8:28 AM – 3:32 PM · 7h 04m
Dec: 9:14 AM – 2:46 PM · 5h 33m
Daylight Longest: 18h 30m · Shortest: 5h 30m

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