Frost Dates for Port Alberni (Aut), BC

Elevation: 76 m

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. April 26
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. October 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 May 2
First Fall Frost October 15

Hard Freeze (−2°C)

Last Spring Hard Freeze March 31
First Fall Hard Freeze November 14
49.32°N, -124.93°W © OpenStreetMap

Growing Season

180 Days April 26 to October 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 8a

Avg. annual minimum: 10 to 15°F (−12 to −9°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

-5° 5° 15° 25°
2°
High: 5°C
Avg: 2°C
Low: 0°C
Jan
3°
High: 7°C
Avg: 3°C
Low: -1°C
Feb
5°
High: 10°C
Avg: 5°C
Low: 1°C
Mar
8°
High: 14°C
Avg: 8°C
Low: 3°C
Apr
12°
High: 19°C
Avg: 12°C
Low: 6°C
May
15°
High: 21°C
Avg: 15°C
Low: 9°C
Jun
18°
High: 26°C
Avg: 18°C
Low: 11°C
Jul
19°
High: 26°C
Avg: 19°C
Low: 11°C
Aug
15°
High: 22°C
Avg: 15°C
Low: 9°C
Sep
10°
High: 14°C
Avg: 10°C
Low: 5°C
Oct
5°
High: 8°C
Avg: 5°C
Low: 2°C
Nov
2°
High: 4°C
Avg: 2°C
Low: 0°C
Dec
0°C
−2°C
Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)

Precipitation

0 mm 100 mm 200 mm 300 mm
320 mm
320.0 mm
Jan
178 mm
177.8 mm
Feb
211 mm
210.8 mm
Mar
109 mm
109.2 mm
Apr
61 mm
61.0 mm
May
30 mm
30.5 mm
Jun
13 mm
12.7 mm
Jul
25 mm
25.4 mm
Aug
79 mm
78.7 mm
Sep
201 mm
200.7 mm
Oct
333 mm
332.7 mm
Nov
307 mm
307.3 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:48 AM – 4:12 PM · 8h 25m
Feb: 7:04 AM – 4:56 PM · 9h 52m
Mar: 6:13 AM – 5:47 PM · 11h 34m
Apr: 5:16 AM – 6:44 PM · 13h 29m
May: 4:27 AM – 7:33 PM · 15h 07m
Jun: 3:60 AM – 8:00 PM · 16h 01m
Jul: 4:11 AM – 7:49 PM · 15h 38m
Aug: 4:54 AM – 7:06 PM · 14h 13m
Sep: 5:50 AM – 6:10 PM · 12h 21m
Oct: 6:45 AM – 5:15 PM · 10h 29m
Nov: 7:35 AM – 4:25 PM · 8h 49m
Dec: 8:00 AM – 3:60 PM · 7h 59m
Daylight Longest: 16h 02m · Shortest: 7h 58m

Nearby Stations

Alberni Robertson Creek, BC April 25 - October 27 Port Alberni Cox Lake, BC April 29 - October 20 Mud Bay, BCApril 15 - October 28 Qualicum R Fish Research, BC April 11 - October 29 Little Qualicum Hatchery, BC May 1 - October 9 Coombs, BCMay 3 - October 9

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview