Frost Dates for Bonilla Island, BC

Elevation: 16 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 1
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. December 2
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 14
First Fall Frost November 24

Hard Freeze (−2°C)

Last Spring Hard Freeze February 18
First Fall Hard Freeze December 5
53.50°N, -130.63°W © OpenStreetMap

Growing Season

276 Days March 1 to December 2

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 8b

Avg. annual minimum: 15 to 20°F (−9 to −7°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: 3°C
Jan
5°
High: 7°C
Avg: 5°C
Low: 3°C
Feb
5°
High: 8°C
Avg: 5°C
Low: 3°C
Mar
8°
High: 10°C
Avg: 8°C
Low: 5°C
Apr
10°
High: 12°C
Avg: 10°C
Low: 8°C
May
12°
High: 14°C
Avg: 12°C
Low: 10°C
Jun
14°
High: 16°C
Avg: 14°C
Low: 12°C
Jul
14°
High: 16°C
Avg: 14°C
Low: 12°C
Aug
13°
High: 15°C
Avg: 13°C
Low: 11°C
Sep
10°
High: 12°C
Avg: 10°C
Low: 8°C
Oct
7°
High: 9°C
Avg: 7°C
Low: 5°C
Nov
5°
High: 7°C
Avg: 5°C
Low: 3°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 75 mm 150 mm 225 mm 300 mm
236 mm
236.2 mm
Jan
188 mm
188.0 mm
Feb
183 mm
182.9 mm
Mar
152 mm
152.4 mm
Apr
109 mm
109.2 mm
May
94 mm
94.0 mm
Jun
91 mm
91.4 mm
Jul
122 mm
121.9 mm
Aug
170 mm
170.2 mm
Sep
246 mm
246.4 mm
Oct
267 mm
266.7 mm
Nov
290 mm
289.6 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h16.5h16.5h14.5h12.5h10h8.5h7h
Jan: 8:07 AM – 3:53 PM · 7h 46m
Feb: 7:14 AM – 4:46 PM · 9h 31m
Mar: 6:15 AM – 5:45 PM · 11h 29m
Apr: 5:08 AM – 6:52 PM · 13h 44m
May: 4:10 AM – 7:50 PM · 15h 39m
Jun: 3:38 AM – 8:22 PM · 16h 45m
Jul: 3:51 AM – 8:09 PM · 16h 18m
Aug: 4:43 AM – 7:17 PM · 14h 35m
Sep: 5:48 AM – 6:12 PM · 12h 24m
Oct: 6:53 AM – 5:07 PM · 10h 14m
Nov: 7:52 AM – 4:08 PM · 8h 16m
Dec: 8:23 AM – 3:37 PM · 7h 15m
Daylight Longest: 16h 47m · Shortest: 7h 13m

Nearby Stations

Bonilla Island (Aut), BC February 26 - December 2 Holland Rock, BC March 7 - November 29 Cumshewa Island, BC March 4 - December 6 Sandspit A, BC April 12 - November 15 Lucy Island Lightstation, BC March 8 - November 30 Triple Island, BC March 2 - December 6

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