Frost Dates for Baynes Lake Kootenay River, 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 27
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 9
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 2
First Fall Frost September 4

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 13
First Fall Hard Freeze September 26
49.23°N, -115.22°W © OpenStreetMap

Growing Season

105 Days May 27 to September 9

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 5a

Learn more

Temperature

10° 30° 50° 70° 90°
23°
High: 30°
Avg: 23°
Low: 15°
Jan
27°
High: 37°
Avg: 27°
Low: 18°
Feb
36°
High: 48°
Avg: 36°
Low: 25°
Mar
44°
High: 57°
Avg: 44°
Low: 31°
Apr
53°
High: 67°
Avg: 53°
Low: 39°
May
59°
High: 72°
Avg: 59°
Low: 46°
Jun
66°
High: 82°
Avg: 66°
Low: 50°
Jul
65°
High: 81°
Avg: 65°
Low: 48°
Aug
55°
High: 71°
Avg: 55°
Low: 40°
Sep
43°
High: 55°
Avg: 43°
Low: 31°
Oct
32°
High: 39°
Avg: 32°
Low: 25°
Nov
23°
High: 29°
Avg: 23°
Low: 17°
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"
1.1"
1.10"
Jan
0.2"
0.20"
Feb
0.7"
0.70"
Mar
0.4"
0.40"
Apr
1.6"
1.60"
May
3.1"
3.10"
Jun
1.2"
1.20"
Jul
0.6"
0.60"
Aug
0.8"
0.80"
Sep
0.7"
0.70"
Oct
1.8"
1.80"
Nov
1.7"
1.70"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h10h12h13h15h16h16h14h12h10h9h8h
Jan: 7:47 AM – 4:13 PM · 8h 25m
Feb: 7:04 AM – 4:56 PM · 9h 53m
Mar: 6:13 AM – 5:47 PM · 11h 34m
Apr: 5:16 AM – 6:44 PM · 13h 29m
May: 4:27 AM – 7:33 PM · 15h 06m
Jun: 4:00 AM – 7:60 PM · 15h 60m
Jul: 4:11 AM – 7:49 PM · 15h 38m
Aug: 4:54 AM – 7:06 PM · 14h 12m
Sep: 5:50 AM – 6:10 PM · 12h 21m
Oct: 6:45 AM – 5:15 PM · 10h 29m
Nov: 7:35 AM – 4:25 PM · 8h 50m
Dec: 8:00 AM – 3:60 PM · 7h 60m
Daylight Longest: 16h 02m · Shortest: 7h 58m

Nearby Stations

Fernie, Canada May 30 - September 9 Wardner Ktny Hatchery, Canada May 24 - September 13 Eureka Rs, MT May 11 - September 27 Yaak 9nne, MT Fortine 1 N, MT May 16 - September 18 Cranbrook A, Canada May 15 - September 23

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