Frost Dates for Sisters Island, Canada

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 7
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 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 February 18
First Fall Frost December 2
49.48°N, -124.43°W © OpenStreetMap

Growing Season

304 Days February 7 to December 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 9b

Learn more

Temperature

40° 50° 60° 70°
43°
High: 45°
Avg: 43°
Low: 40°
Jan
43°
High: 46°
Avg: 43°
Low: 40°
Feb
45°
High: 49°
Avg: 45°
Low: 42°
Mar
50°
High: 54°
Avg: 50°
Low: 46°
Apr
56°
High: 60°
Avg: 56°
Low: 51°
May
61°
High: 65°
Avg: 61°
Low: 56°
Jun
65°
High: 70°
Avg: 65°
Low: 60°
Jul
66°
High: 70°
Avg: 66°
Low: 61°
Aug
61°
High: 65°
Avg: 61°
Low: 57°
Sep
53°
High: 55°
Avg: 53°
Low: 50°
Oct
47°
High: 49°
Avg: 47°
Low: 44°
Nov
43°
High: 45°
Avg: 43°
Low: 40°
Dec
Avg High Avg Temp Avg Low

Precipitation

0" 2" 4" 4.3"
3.2"
3.20"
Jan
0.7"
0.70"
Feb
2.3"
2.30"
Mar
0.8"
0.80"
Apr
0.2"
0.20"
May
0.5"
0.50"
Jun
0.3"
0.30"
Jul
0.1"
0.10"
Aug
0.7"
0.70"
Sep
4.3"
4.30"
Oct
1.3"
1.30"
Nov
1.9"
1.90"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8h10h12h13h15h16h16h14h12h10h9h8h
Jan: 7:48 AM – 4:12 PM · 8h 23m
Feb: 7:04 AM – 4:56 PM · 9h 52m
Mar: 6:13 AM – 5:47 PM · 11h 34m
Apr: 5:15 AM – 6:45 PM · 13h 30m
May: 4:26 AM – 7:34 PM · 15h 08m
Jun: 3:59 AM – 8:01 PM · 16h 02m
Jul: 4:10 AM – 7:50 PM · 15h 40m
Aug: 4:53 AM – 7:07 PM · 14h 13m
Sep: 5:50 AM – 6:10 PM · 12h 21m
Oct: 6:46 AM – 5:14 PM · 10h 29m
Nov: 7:36 AM – 4:24 PM · 8h 48m
Dec: 8:01 AM – 3:59 PM · 7h 57m
Daylight Longest: 16h 04m · Shortest: 7h 56m

Nearby Stations

Little Qualicum Hatchery, Canada May 1 - October 9 Qualicum R Fish Research, Canada April 11 - October 29 Coombs, CanadaMay 3 - October 9 Mud Bay, Canada April 15 - October 28 Merry Island Lightstation, Canada February 17 - December 9 Port Alberni Cox Lake, Canada April 29 - October 20

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