Frost Dates for Chatham Point, 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 5
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 27
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 18
First Fall Frost November 18

Hard Freeze (−2°C)

Last Spring Hard Freeze February 12
First Fall Hard Freeze December 5
50.33°N, -125.45°W © OpenStreetMap

Growing Season

267 Days March 5 to November 27

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.

Cfb Oceanic (Marine West Coast)

Mild year-round with cool summers and wet winters. Excellent for cool-season crops like brassicas, peas, and root vegetables. Extended harvest seasons but summer heat-loving crops may struggle.

Köppen climate map

Temperature

0° 10° 20°
4°
High: 6°C
Avg: 4°C
Low: 3°C
Jan
5°
High: 7°C
Avg: 5°C
Low: 3°C
Feb
6°
High: 9°C
Avg: 6°C
Low: 4°C
Mar
9°
High: 12°C
Avg: 9°C
Low: 5°C
Apr
12°
High: 16°C
Avg: 12°C
Low: 8°C
May
14°
High: 18°C
Avg: 14°C
Low: 11°C
Jun
16°
High: 20°C
Avg: 16°C
Low: 12°C
Jul
16°
High: 20°C
Avg: 16°C
Low: 12°C
Aug
13°
High: 16°C
Avg: 13°C
Low: 11°C
Sep
10°
High: 12°C
Avg: 10°C
Low: 7°C
Oct
6°
High: 8°C
Avg: 6°C
Low: 4°C
Nov
4°
High: 6°C
Avg: 4°C
Low: 3°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 100 mm 200 mm 300 mm
295 mm
294.6 mm
Jan
193 mm
193.0 mm
Feb
231 mm
231.1 mm
Mar
173 mm
172.7 mm
Apr
114 mm
114.3 mm
May
109 mm
109.2 mm
Jun
76 mm
76.2 mm
Jul
89 mm
88.9 mm
Aug
114 mm
114.3 mm
Sep
292 mm
292.1 mm
Oct
356 mm
355.6 mm
Nov
318 mm
317.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec8.5h10h11.5h13.5h15h16h16h14.5h12.5h10.5h8.5h8h
Jan: 7:52 AM – 4:08 PM · 8h 16m
Feb: 7:06 AM – 4:54 PM · 9h 48m
Mar: 6:14 AM – 5:46 PM · 11h 33m
Apr: 5:14 AM – 6:46 PM · 13h 32m
May: 4:23 AM – 7:37 PM · 15h 14m
Jun: 3:55 AM – 8:05 PM · 16h 11m
Jul: 4:06 AM – 7:54 PM · 15h 47m
Aug: 4:51 AM – 7:09 PM · 14h 18m
Sep: 5:49 AM – 6:11 PM · 12h 21m
Oct: 6:47 AM – 5:13 PM · 10h 26m
Nov: 7:39 AM – 4:21 PM · 8h 42m
Dec: 8:05 AM – 3:55 PM · 7h 49m
Daylight Longest: 16h 12m · Shortest: 7h 48m

Nearby Stations

Heriot Bay Se, BC March 29 - November 12 Quinsam River Hatchery, BC April 22 - October 25 Fanny Island, BC February 22 - November 21 Cape Mudge, BC March 22 - November 14 Campbell River A, BC April 28 - October 10 Cortes Island Tiber Bay, BC April 21 - October 28

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