Frost Dates for Brentwood Bay, Canada

Based on data from Saanichton Cda weather station, 3 miles away

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 18
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 19
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 29
First Fall Frost November 11

Hard Freeze (−2°C)

Last Spring Hard Freeze February 9
First Fall Hard Freeze December 10
48.58°N, -123.45°W © OpenStreetMap

Growing Season

246 Days March 18 to November 19

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° 10° 20°
5°
High: 7°C
Avg: 5°C
Low: 2°C
Jan
5°
High: 8°C
Avg: 5°C
Low: 2°C
Feb
7°
High: 10°C
Avg: 7°C
Low: 3°C
Mar
9°
High: 13°C
Avg: 9°C
Low: 5°C
Apr
12°
High: 17°C
Avg: 12°C
Low: 8°C
May
15°
High: 20°C
Avg: 15°C
Low: 10°C
Jun
17°
High: 22°C
Avg: 17°C
Low: 12°C
Jul
17°
High: 22°C
Avg: 17°C
Low: 12°C
Aug
15°
High: 19°C
Avg: 15°C
Low: 10°C
Sep
10°
High: 14°C
Avg: 10°C
Low: 7°C
Oct
7°
High: 10°C
Avg: 7°C
Low: 4°C
Nov
5°
High: 7°C
Avg: 5°C
Low: 2°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 50 mm 100 mm 150 mm
142 mm
142.2 mm
Jan
91 mm
91.4 mm
Feb
91 mm
91.4 mm
Mar
66 mm
66.0 mm
Apr
30 mm
30.5 mm
May
18 mm
17.8 mm
Jun
5 mm
5.1 mm
Jul
15 mm
15.2 mm
Aug
41 mm
40.6 mm
Sep
107 mm
106.7 mm
Oct
160 mm
160.0 mm
Nov
142 mm
142.2 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
Jan: 7:45 AM – 4:15 PM · 8h 30m
Feb: 7:02 AM – 4:58 PM · 9h 56m
Mar: 6:13 AM – 5:47 PM · 11h 34m
Apr: 5:17 AM – 6:43 PM · 13h 27m
May: 4:29 AM – 7:31 PM · 15h 02m
Jun: 4:03 AM – 7:57 PM · 15h 54m
Jul: 4:14 AM – 7:46 PM · 15h 33m
Aug: 4:55 AM – 7:05 PM · 14h 09m
Sep: 5:50 AM – 6:10 PM · 12h 20m
Oct: 6:44 AM – 5:16 PM · 10h 31m
Nov: 7:33 AM – 4:27 PM · 8h 54m
Dec: 7:57 AM – 4:03 PM · 8h 05m
Daylight Longest: 15h 56m · Shortest: 8h 04m

Nearby Stations

Victoria Int'L A, Canada April 2 - November 6 Malahat, Canada March 23 - November 15 Victoria Highland, Canada April 25 - October 29 Shawnigan Lake, Canada April 7 - November 6 North Pender Island, Canada March 11 - November 20 Esquimalt Harbour, Canada February 28 - December 3

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