Frost Dates for Addenbroke Island, BC

Elevation: 21 m

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. March 16
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. November 24
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 March 29
First Fall Frost November 16

Hard Freeze (−2°C)

Last Spring Hard Freeze February 17
First Fall Hard Freeze December 2
51.60°N, -127.87°W © OpenStreetMap

Growing Season

253 Days March 16 to November 24

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 9a

Avg. annual minimum: 20 to 25°F (−7 to −4°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Cfb Oceanic (Marine West Coast)

Mild year-round with cool summers and wet winters. Excellent for cool-season crops like brassicas, peas, and root vegetables. Extended harvest seasons but summer heat-loving crops may struggle.

Köppen climate map

Temperature

0° 5° 10° 15° 20°
5°
High: 7°C
Avg: 5°C
Low: 2°C
Jan
5°
High: 8°C
Avg: 5°C
Low: 2°C
Feb
6°
High: 9°C
Avg: 6°C
Low: 3°C
Mar
8°
High: 11°C
Avg: 8°C
Low: 5°C
Apr
11°
High: 14°C
Avg: 11°C
Low: 8°C
May
13°
High: 16°C
Avg: 13°C
Low: 10°C
Jun
15°
High: 18°C
Avg: 15°C
Low: 12°C
Jul
16°
High: 19°C
Avg: 16°C
Low: 12°C
Aug
13°
High: 16°C
Avg: 13°C
Low: 11°C
Sep
10°
High: 12°C
Avg: 10°C
Low: 7°C
Oct
7°
High: 9°C
Avg: 7°C
Low: 4°C
Nov
5°
High: 7°C
Avg: 5°C
Low: 3°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 150 mm 300 mm 450 mm
381 mm
381.0 mm
Jan
239 mm
238.8 mm
Feb
295 mm
294.6 mm
Mar
224 mm
223.5 mm
Apr
150 mm
149.9 mm
May
145 mm
144.8 mm
Jun
107 mm
106.7 mm
Jul
157 mm
157.5 mm
Aug
244 mm
243.8 mm
Sep
442 mm
442.0 mm
Oct
505 mm
505.5 mm
Nov
386 mm
386.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h16.5h16h14.5h12.5h10.5h8.5h7.5h
Jan: 7:58 AM – 4:02 PM · 8h 05m
Feb: 7:09 AM – 4:51 PM · 9h 41m
Mar: 6:14 AM – 5:46 PM · 11h 32m
Apr: 5:12 AM – 6:48 PM · 13h 37m
May: 4:18 AM – 7:42 PM · 15h 23m
Jun: 3:48 AM – 8:12 PM · 16h 24m
Jul: 4:01 AM – 7:59 PM · 15h 59m
Aug: 4:48 AM – 7:12 PM · 14h 24m
Sep: 5:49 AM – 6:11 PM · 12h 22m
Oct: 6:49 AM – 5:11 PM · 10h 21m
Nov: 7:44 AM – 4:16 PM · 8h 32m
Dec: 8:12 AM – 3:48 PM · 7h 36m
Daylight Longest: 16h 25m · Shortest: 7h 35m

Nearby Stations

Egg Island, BC March 15 - November 22 Dryad Point, BC March 14 - November 25 Pine Island, BC February 16 - December 5 Cathedral Point (Aut), BC March 11 - November 25 Herbert Island (Aut), BC February 11 - December 4 Ivory Island, BC March 7 - November 25

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