Frost Dates for Sparwood, BC

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 28
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 31

Hard Freeze (−2°C)

Last Spring Hard Freeze May 12
First Fall Hard Freeze September 21
49.75°N, -114.88°W © OpenStreetMap

Growing Season

101 Days May 28 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 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.

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

-15° -5° 5° 15° 25°
-6°
High: -2°C
Avg: -6°C
Low: -10°C
Jan
-5°
High: 0°C
Avg: -5°C
Low: -10°C
Feb
0°
High: 5°C
Avg: 0°C
Low: -5°C
Mar
5°
High: 11°C
Avg: 5°C
Low: -1°C
Apr
9°
High: 16°C
Avg: 9°C
Low: 2°C
May
13°
High: 20°C
Avg: 13°C
Low: 6°C
Jun
17°
High: 25°C
Avg: 17°C
Low: 8°C
Jul
16°
High: 25°C
Avg: 16°C
Low: 7°C
Aug
11°
High: 19°C
Avg: 11°C
Low: 4°C
Sep
5°
High: 11°C
Avg: 5°C
Low: -1°C
Oct
-2°
High: 2°C
Avg: -2°C
Low: -6°C
Nov
-7°
High: -3°C
Avg: -7°C
Low: -10°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 20 mm 40 mm 60 mm 80 mm
56 mm
55.9 mm
Jan
36 mm
35.6 mm
Feb
71 mm
71.1 mm
Mar
43 mm
43.2 mm
Apr
58 mm
58.4 mm
May
79 mm
78.7 mm
Jun
43 mm
43.2 mm
Jul
25 mm
25.4 mm
Aug
41 mm
40.6 mm
Sep
56 mm
55.9 mm
Oct
74 mm
73.7 mm
Nov
61 mm
61.0 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:50 AM – 4:10 PM · 8h 21m
Feb: 7:05 AM – 4:55 PM · 9h 50m
Mar: 6:13 AM – 5:47 PM · 11h 33m
Apr: 5:15 AM – 6:45 PM · 13h 30m
May: 4:25 AM – 7:35 PM · 15h 10m
Jun: 3:58 AM – 8:02 PM · 16h 05m
Jul: 4:09 AM – 7:51 PM · 15h 42m
Aug: 4:53 AM – 7:07 PM · 14h 15m
Sep: 5:50 AM – 6:10 PM · 12h 21m
Oct: 6:46 AM – 5:14 PM · 10h 28m
Nov: 7:37 AM – 4:23 PM · 8h 46m
Dec: 8:03 AM – 3:57 PM · 7h 55m
Daylight Longest: 16h 07m · Shortest: 7h 53m

Nearby Stations

Sparwood Cs, BC May 29 - September 7 Crowsnest, ABJune 16 - August 17 Fernie, BCMay 30 - September 9 Fording River Cominco, BC June 21 - July 25 Connelly Creek, AB May 30 - September 6 Wardner Ktny Hatchery, BC May 24 - September 13

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