Frost Dates for Bonilla Island (Aut), BC

Elevation: 13 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. February 26
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 12
First Fall Frost November 23

Hard Freeze (−2°C)

Last Spring Hard Freeze February 15
First Fall Hard Freeze December 7
53.50°N, -130.63°W © OpenStreetMap

Growing Season

280 Days February 26 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 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°
5°
High: 6°C
Avg: 5°C
Low: 3°C
Jan
5°
High: 7°C
Avg: 5°C
Low: 3°C
Feb
5°
High: 7°C
Avg: 5°C
Low: 3°C
Mar
7°
High: 8°C
Avg: 7°C
Low: 5°C
Apr
9°
High: 10°C
Avg: 9°C
Low: 8°C
May
11°
High: 12°C
Avg: 11°C
Low: 10°C
Jun
13°
High: 14°C
Avg: 13°C
Low: 12°C
Jul
13°
High: 15°C
Avg: 13°C
Low: 12°C
Aug
12°
High: 13°C
Avg: 12°C
Low: 11°C
Sep
10°
High: 11°C
Avg: 10°C
Low: 8°C
Oct
7°
High: 8°C
Avg: 7°C
Low: 5°C
Nov
5°
High: 7°C
Avg: 5°C
Low: 4°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 50 mm 100 mm 150 mm
109 mm
109.2 mm
Jan
91 mm
91.4 mm
Feb
102 mm
101.6 mm
Mar
94 mm
94.0 mm
Apr
58 mm
58.4 mm
May
69 mm
68.6 mm
Jun
61 mm
61.0 mm
Jul
81 mm
81.3 mm
Aug
94 mm
94.0 mm
Sep
140 mm
139.7 mm
Oct
117 mm
116.8 mm
Nov
140 mm
139.7 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, BC March 1 - 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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