Frost Dates for Rose Spit (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. March 24
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 23
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 April 8
First Fall Frost November 13

Hard Freeze (−2°C)

Last Spring Hard Freeze March 2
First Fall Hard Freeze November 29
54.17°N, -131.67°W © OpenStreetMap

Growing Season

244 Days March 24 to November 23

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°
4°
High: 5°C
Avg: 4°C
Low: 2°C
Jan
4°
High: 6°C
Avg: 4°C
Low: 3°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
12°
High: 14°C
Avg: 12°C
Low: 10°C
Jun
13°
High: 15°C
Avg: 13°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: 7°C
Oct
6°
High: 8°C
Avg: 6°C
Low: 4°C
Nov
4°
High: 6°C
Avg: 4°C
Low: 3°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 50 mm 100 mm 150 mm 200 mm
152 mm
152.4 mm
Jan
132 mm
132.1 mm
Feb
127 mm
127.0 mm
Mar
109 mm
109.2 mm
Apr
53 mm
53.3 mm
May
74 mm
73.7 mm
Jun
71 mm
71.1 mm
Jul
97 mm
96.5 mm
Aug
124 mm
124.5 mm
Sep
198 mm
198.1 mm
Oct
173 mm
172.7 mm
Nov
142 mm
142.2 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

Triple Island, BC March 2 - December 6 Lucy Island Lightstation, BC March 8 - November 30 Green Island, BC March 2 - December 1 Grey Islet (Aut), BC March 3 - December 6 Holland Rock, BC March 7 - November 29 Annette Island AP, AK April 4 - October 31

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