Frost Dates for Cumshewa Island, 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 4
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 6
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 15
First Fall Frost November 28

Hard Freeze (−2°C)

Last Spring Hard Freeze February 15
First Fall Hard Freeze December 1
53.03°N, -131.60°W © OpenStreetMap

Growing Season

277 Days March 4 to December 6

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.

Csb Warm-Summer Mediterranean

Warm, dry summers and mild, wet winters. Similar to hot-summer Mediterranean but cooler. Great for a wide range of vegetables and fruit trees with moderate water needs.

Köppen climate map

Temperature

0° 5° 10° 15° 20°
5°
High: 7°C
Avg: 5°C
Low: 4°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: 9°C
Avg: 7°C
Low: 5°C
Apr
10°
High: 11°C
Avg: 10°C
Low: 8°C
May
12°
High: 13°C
Avg: 12°C
Low: 10°C
Jun
14°
High: 16°C
Avg: 14°C
Low: 12°C
Jul
15°
High: 17°C
Avg: 15°C
Low: 13°C
Aug
13°
High: 15°C
Avg: 13°C
Low: 12°C
Sep
10°
High: 12°C
Avg: 10°C
Low: 8°C
Oct
7°
High: 9°C
Avg: 7°C
Low: 5°C
Nov
6°
High: 8°C
Avg: 6°C
Low: 4°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 75 mm 150 mm 225 mm
229 mm
228.6 mm
Jan
127 mm
127.0 mm
Feb
97 mm
96.5 mm
Mar
33 mm
33.0 mm
Apr
15 mm
15.2 mm
May
18 mm
17.8 mm
Jun
18 mm
17.8 mm
Jul
28 mm
27.9 mm
Aug
66 mm
66.0 mm
Sep
137 mm
137.2 mm
Oct
119 mm
119.4 mm
Nov
132 mm
132.1 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h9.5h11.5h13.5h15.5h16.5h16h14.5h12.5h10.5h8.5h7.5h
Jan: 8:05 AM – 3:55 PM · 7h 51m
Feb: 7:13 AM – 4:47 PM · 9h 34m
Mar: 6:15 AM – 5:45 PM · 11h 30m
Apr: 5:09 AM – 6:51 PM · 13h 42m
May: 4:12 AM – 7:48 PM · 15h 35m
Jun: 3:40 AM – 8:20 PM · 16h 39m
Jul: 3:54 AM – 8:06 PM · 16h 13m
Aug: 4:44 AM – 7:16 PM · 14h 32m
Sep: 5:48 AM – 6:12 PM · 12h 24m
Oct: 6:52 AM – 5:08 PM · 10h 16m
Nov: 7:50 AM – 4:10 PM · 8h 20m
Dec: 8:20 AM – 3:40 PM · 7h 20m
Daylight Longest: 16h 42m · Shortest: 7h 19m

Nearby Stations

Sandspit A, BC April 12 - November 15 Bonilla Island, BC March 1 - December 2 Bonilla Island (Aut), BC February 26 - December 2 Rose Spit (Aut), BC March 24 - November 23 Triple Island, BC March 2 - December 6 Holland Rock, BC March 7 - November 29

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