Frost Dates for Holland Rock, 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. March 7
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 29
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 20
First Fall Frost November 21

Hard Freeze (−2°C)

Last Spring Hard Freeze February 25
First Fall Hard Freeze December 4
54.17°N, -130.37°W © OpenStreetMap

Growing Season

267 Days March 7 to November 29

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°
4°
High: 6°C
Avg: 4°C
Low: 2°C
Jan
4°
High: 6°C
Avg: 4°C
Low: 2°C
Feb
5°
High: 7°C
Avg: 5°C
Low: 3°C
Mar
7°
High: 9°C
Avg: 7°C
Low: 5°C
Apr
9°
High: 11°C
Avg: 9°C
Low: 7°C
May
11°
High: 13°C
Avg: 11°C
Low: 10°C
Jun
13°
High: 15°C
Avg: 13°C
Low: 11°C
Jul
13°
High: 15°C
Avg: 13°C
Low: 12°C
Aug
12°
High: 14°C
Avg: 12°C
Low: 10°C
Sep
9°
High: 11°C
Avg: 9°C
Low: 8°C
Oct
6°
High: 8°C
Avg: 6°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 50 mm 100 mm 150 mm
99 mm
99.1 mm
Jan
71 mm
71.1 mm
Feb
94 mm
94.0 mm
Mar
66 mm
66.0 mm
Apr
64 mm
63.5 mm
May
58 mm
58.4 mm
Jun
69 mm
68.6 mm
Jul
109 mm
109.2 mm
Aug
109 mm
109.2 mm
Sep
119 mm
119.4 mm
Oct
142 mm
142.2 mm
Nov
107 mm
106.7 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7.5h9.5h11.5h14h15.5h17h16.5h14.5h12.5h10h8h7h
Jan: 8:10 AM – 3:50 PM · 7h 39m
Feb: 7:16 AM – 4:44 PM · 9h 27m
Mar: 6:16 AM – 5:44 PM · 11h 29m
Apr: 5:07 AM – 6:53 PM · 13h 46m
May: 4:08 AM – 7:52 PM · 15h 45m
Jun: 3:33 AM – 8:27 PM · 16h 53m
Jul: 3:48 AM – 8:12 PM · 16h 25m
Aug: 4:41 AM – 7:19 PM · 14h 39m
Sep: 5:48 AM – 6:12 PM · 12h 25m
Oct: 6:54 AM – 5:06 PM · 10h 12m
Nov: 7:55 AM – 4:05 PM · 8h 10m
Dec: 8:27 AM – 3:33 PM · 7h 07m
Daylight Longest: 16h 55m · Shortest: 7h 05m

Nearby Stations

Lucy Island Lightstation, BC March 8 - November 30 Triple Island, BC March 2 - December 6 Green Island, BC March 2 - December 1 Grey Islet (Aut), BC March 3 - December 6 Bonilla Island, BC March 1 - December 2 Bonilla Island (Aut), BC February 26 - December 2

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