Frost Dates for Comox A, 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 31
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 7
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 6
First Fall Frost November 2

Hard Freeze (−2°C)

Last Spring Hard Freeze February 23
First Fall Hard Freeze November 21
49.72°N, -124.90°W © OpenStreetMap

Growing Season

221 Days March 31 to November 7

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.

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° 10° 20°
4°
High: 6°C
Avg: 4°C
Low: 2°C
Jan
4°
High: 7°C
Avg: 4°C
Low: 1°C
Feb
6°
High: 10°C
Avg: 6°C
Low: 3°C
Mar
9°
High: 13°C
Avg: 9°C
Low: 5°C
Apr
13°
High: 17°C
Avg: 13°C
Low: 9°C
May
16°
High: 20°C
Avg: 16°C
Low: 12°C
Jun
18°
High: 23°C
Avg: 18°C
Low: 14°C
Jul
18°
High: 23°C
Avg: 18°C
Low: 14°C
Aug
15°
High: 19°C
Avg: 15°C
Low: 10°C
Sep
10°
High: 13°C
Avg: 10°C
Low: 6°C
Oct
6°
High: 9°C
Avg: 6°C
Low: 3°C
Nov
4°
High: 6°C
Avg: 4°C
Low: 1°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 50 mm 100 mm 150 mm 200 mm
173 mm
172.7 mm
Jan
112 mm
111.8 mm
Feb
109 mm
109.2 mm
Mar
69 mm
68.6 mm
Apr
41 mm
40.6 mm
May
38 mm
38.1 mm
Jun
8 mm
7.6 mm
Jul
15 mm
15.2 mm
Aug
43 mm
43.2 mm
Sep
119 mm
119.4 mm
Oct
188 mm
188.0 mm
Nov
185 mm
185.4 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:49 AM – 4:11 PM · 8h 21m
Feb: 7:05 AM – 4:55 PM · 9h 51m
Mar: 6:13 AM – 5:47 PM · 11h 33m
Apr: 5:15 AM – 6:45 PM · 13h 30m
May: 4:25 AM – 7:35 PM · 15h 09m
Jun: 3:58 AM – 8:02 PM · 16h 05m
Jul: 4:09 AM – 7:51 PM · 15h 42m
Aug: 4:53 AM – 7:07 PM · 14h 15m
Sep: 5:50 AM – 6:10 PM · 12h 21m
Oct: 6:46 AM – 5:14 PM · 10h 28m
Nov: 7:37 AM – 4:23 PM · 8h 47m
Dec: 8:02 AM – 3:58 PM · 7h 55m
Daylight Longest: 16h 06m · Shortest: 7h 54m

Nearby Stations

Courtenay Meadowbrook, BC April 20 - October 24 Courtenay Puntledge, BC May 2 - October 21 Mud Bay, BCApril 15 - October 28 Powell River A, BC April 15 - October 27 Campbell River A, BC April 28 - October 10 Cape Mudge, BC March 22 - November 14

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