Frost Dates for Terrace 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. April 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. October 18
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 May 4
First Fall Frost October 10

Hard Freeze (−2°C)

Last Spring Hard Freeze April 8
First Fall Hard Freeze November 5
54.47°N, -128.58°W © OpenStreetMap

Growing Season

174 Days April 27 to October 18

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 6b

Avg. annual minimum: −5 to 0°F (−21 to −18°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

-10° 0° 10° 20°
-3°
High: -1°C
Avg: -3°C
Low: -5°C
Jan
-1°
High: 2°C
Avg: -1°C
Low: -3°C
Feb
2°
High: 5°C
Avg: 2°C
Low: -1°C
Mar
6°
High: 11°C
Avg: 6°C
Low: 2°C
Apr
10°
High: 16°C
Avg: 10°C
Low: 5°C
May
14°
High: 19°C
Avg: 14°C
Low: 9°C
Jun
16°
High: 21°C
Avg: 16°C
Low: 12°C
Jul
16°
High: 21°C
Avg: 16°C
Low: 11°C
Aug
12°
High: 16°C
Avg: 12°C
Low: 8°C
Sep
6°
High: 9°C
Avg: 6°C
Low: 3°C
Oct
1°
High: 3°C
Avg: 1°C
Low: -1°C
Nov
-2°
High: -1°C
Avg: -2°C
Low: -4°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 75 mm 150 mm 225 mm
180 mm
180.3 mm
Jan
102 mm
101.6 mm
Feb
97 mm
96.5 mm
Mar
79 mm
78.7 mm
Apr
61 mm
61.0 mm
May
53 mm
53.3 mm
Jun
56 mm
55.9 mm
Jul
64 mm
63.5 mm
Aug
127 mm
127.0 mm
Sep
193 mm
193.0 mm
Oct
196 mm
195.6 mm
Nov
201 mm
200.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7.5h9.5h11.5h14h16h17h16.5h14.5h12.5h10h8h7h
Jan: 8:12 AM – 3:48 PM · 7h 36m
Feb: 7:17 AM – 4:43 PM · 9h 26m
Mar: 6:16 AM – 5:44 PM · 11h 28m
Apr: 5:06 AM – 6:54 PM · 13h 47m
May: 4:06 AM – 7:54 PM · 15h 48m
Jun: 3:32 AM – 8:28 PM · 16h 57m
Jul: 3:46 AM – 8:14 PM · 16h 28m
Aug: 4:40 AM – 7:20 PM · 14h 41m
Sep: 5:48 AM – 6:12 PM · 12h 25m
Oct: 6:55 AM – 5:05 PM · 10h 10m
Nov: 7:56 AM – 4:04 PM · 8h 07m
Dec: 8:29 AM – 3:31 PM · 7h 03m
Daylight Longest: 16h 59m · Shortest: 7h 01m

Nearby Stations

Terrace Pcc, BC April 26 - October 17 Kitimat Townsite, BC April 27 - October 14 Kitimat 2, BC April 30 - October 20 Nass Camp, BC May 15 - September 30 Smithers A, BC May 27 - September 13 Smithers, BCMay 29 - September 12

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