Frost Dates for Herbert Island (Aut), 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. February 11
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 4
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 February 24
First Fall Frost November 29

Hard Freeze (−2°C)

Last Spring Hard Freeze February 5
First Fall Hard Freeze December 2
50.93°N, -127.63°W © OpenStreetMap

Growing Season

297 Days February 11 to December 4

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 9b

Avg. annual minimum: 25 to 30°F (−4 to −1°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°
6°
High: 7°C
Avg: 6°C
Low: 4°C
Jan
6°
High: 7°C
Avg: 6°C
Low: 4°C
Feb
6°
High: 8°C
Avg: 6°C
Low: 5°C
Mar
8°
High: 10°C
Avg: 8°C
Low: 6°C
Apr
10°
High: 12°C
Avg: 10°C
Low: 8°C
May
12°
High: 14°C
Avg: 12°C
Low: 10°C
Jun
13°
High: 15°C
Avg: 13°C
Low: 11°C
Jul
13°
High: 16°C
Avg: 13°C
Low: 11°C
Aug
12°
High: 14°C
Avg: 12°C
Low: 10°C
Sep
10°
High: 11°C
Avg: 10°C
Low: 8°C
Oct
7°
High: 9°C
Avg: 7°C
Low: 6°C
Nov
6°
High: 7°C
Avg: 6°C
Low: 4°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 50 mm 100 mm 150 mm
127 mm
127.0 mm
Jan
81 mm
81.3 mm
Feb
94 mm
94.0 mm
Mar
69 mm
68.6 mm
Apr
48 mm
48.3 mm
May
69 mm
68.6 mm
Jun
66 mm
66.0 mm
Jul
76 mm
76.2 mm
Aug
107 mm
106.7 mm
Sep
173 mm
172.7 mm
Oct
163 mm
162.6 mm
Nov
145 mm
144.8 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h16.5h16h14.5h12.5h10.5h8.5h7.5h
Jan: 7:55 AM – 4:05 PM · 8h 11m
Feb: 7:08 AM – 4:52 PM · 9h 45m
Mar: 6:14 AM – 5:46 PM · 11h 32m
Apr: 5:13 AM – 6:47 PM · 13h 34m
May: 4:21 AM – 7:39 PM · 15h 18m
Jun: 3:52 AM – 8:08 PM · 16h 17m
Jul: 4:04 AM – 7:56 PM · 15h 52m
Aug: 4:50 AM – 7:10 PM · 14h 21m
Sep: 5:49 AM – 6:11 PM · 12h 22m
Oct: 6:48 AM – 5:12 PM · 10h 24m
Nov: 7:41 AM – 4:19 PM · 8h 37m
Dec: 8:08 AM – 3:52 PM · 7h 43m
Daylight Longest: 16h 18m · Shortest: 7h 42m

Nearby Stations

Pine Island, BC February 16 - December 5 Port Hardy A, BC April 19 - November 2 Egg Island, BC March 15 - November 22 Quatsino, BCApril 5 - November 14 Cape Scott, BC February 21 - December 6 Quatsino Lightstation, BC February 28 - December 2

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