Frost Dates for Mackenzie A, 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 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 4
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 August 22

Hard Freeze (−2°C)

Last Spring Hard Freeze May 17
First Fall Hard Freeze September 24
55.30°N, -123.13°W © OpenStreetMap

Growing Season

100 Days May 27 to September 4

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 3b

Avg. annual minimum: −35 to −30°F (−37 to −34°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°
-11°
High: -7°C
Avg: -11°C
Low: -15°C
Jan
-7°
High: -2°C
Avg: -7°C
Low: -12°C
Feb
-3°
High: 2°C
Avg: -3°C
Low: -9°C
Mar
3°
High: 9°C
Avg: 3°C
Low: -3°C
Apr
9°
High: 16°C
Avg: 9°C
Low: 2°C
May
14°
High: 20°C
Avg: 14°C
Low: 7°C
Jun
16°
High: 22°C
Avg: 16°C
Low: 9°C
Jul
15°
High: 21°C
Avg: 15°C
Low: 8°C
Aug
10°
High: 16°C
Avg: 10°C
Low: 4°C
Sep
3°
High: 7°C
Avg: 3°C
Low: -1°C
Oct
-4°
High: 0°C
Avg: -4°C
Low: -7°C
Nov
-8°
High: -5°C
Avg: -8°C
Low: -12°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
66 mm
66.0 mm
Jan
33 mm
33.0 mm
Feb
41 mm
40.6 mm
Mar
15 mm
15.2 mm
Apr
30 mm
30.5 mm
May
53 mm
53.3 mm
Jun
58 mm
58.4 mm
Jul
48 mm
48.3 mm
Aug
48 mm
48.3 mm
Sep
74 mm
73.7 mm
Oct
74 mm
73.7 mm
Nov
64 mm
63.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7.5h9.5h11.5h14h16h17h16.5h15h12.5h10h8h7h
Jan: 8:17 AM – 3:43 PM · 7h 26m
Feb: 7:20 AM – 4:40 PM · 9h 20m
Mar: 6:16 AM – 5:44 PM · 11h 27m
Apr: 5:05 AM – 6:55 PM · 13h 51m
May: 4:02 AM – 7:58 PM · 15h 55m
Jun: 3:26 AM – 8:34 PM · 17h 08m
Jul: 3:41 AM – 8:19 PM · 16h 38m
Aug: 4:37 AM – 7:23 PM · 14h 46m
Sep: 5:47 AM – 6:13 PM · 12h 26m
Oct: 6:57 AM – 5:03 PM · 10h 07m
Nov: 8:00 AM – 3:60 PM · 7h 59m
Dec: 8:34 AM – 3:26 PM · 6h 52m
Daylight Longest: 17h 10m · Shortest: 6h 50m

Nearby Stations

Germansen Landing, BC June 11 - August 24 Fort St James, BC May 24 - September 13 Vanderhoof, BC May 21 - September 12 Fraser Lake North Shore, BC May 25 - September 13

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