Frost Dates for Halfmoon Bay, Canada

Based on data from Merry Island Lightstation 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. February 17
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 9
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 28
First Fall Frost December 3

Hard Freeze (−2°C)

Last Spring Hard Freeze January 26
First Fall Hard Freeze December 10
49.51°N, -123.91°W © OpenStreetMap

Growing Season

296 Days February 17 to December 9

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

Avg. annual minimum: 25 to 30°F (−4 to −1°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: 4°C
Jan
6°
High: 8°C
Avg: 6°C
Low: 4°C
Feb
7°
High: 10°C
Avg: 7°C
Low: 5°C
Mar
10°
High: 13°C
Avg: 10°C
Low: 7°C
Apr
14°
High: 17°C
Avg: 14°C
Low: 10°C
May
16°
High: 19°C
Avg: 16°C
Low: 13°C
Jun
19°
High: 22°C
Avg: 19°C
Low: 15°C
Jul
19°
High: 22°C
Avg: 19°C
Low: 15°C
Aug
16°
High: 18°C
Avg: 16°C
Low: 13°C
Sep
11°
High: 13°C
Avg: 11°C
Low: 9°C
Oct
8°
High: 9°C
Avg: 8°C
Low: 6°C
Nov
5°
High: 7°C
Avg: 5°C
Low: 4°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 50 mm 100 mm 150 mm
135 mm
134.6 mm
Jan
81 mm
81.3 mm
Feb
91 mm
91.4 mm
Mar
71 mm
71.1 mm
Apr
56 mm
55.9 mm
May
61 mm
61.0 mm
Jun
15 mm
15.2 mm
Jul
33 mm
33.0 mm
Aug
61 mm
61.0 mm
Sep
109 mm
109.2 mm
Oct
155 mm
154.9 mm
Nov
142 mm
142.2 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h15.5h14h12.5h10.5h9h8h
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 29m
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 58m
Daylight Longest: 16h 04m · Shortest: 7h 56m

Nearby Stations

Entrance Island, BC February 22 - December 2 Entrance Island Cs, BC February 15 - November 23 Gibsons Gower Point, BC February 24 - November 27 Sisters Island, BC February 7 - December 7 Gabriola Island, BC April 20 - October 21 Coombs, BCMay 3 - October 9

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