Frost Dates for Langara, 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 15
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 28
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 21

Hard Freeze (−2°C)

Last Spring Hard Freeze February 19
First Fall Hard Freeze December 6
54.25°N, -133.05°W © OpenStreetMap

Growing Season

258 Days March 15 to November 28

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° 5° 10° 15° 20°
4°
High: 6°C
Avg: 4°C
Low: 2°C
Jan
4°
High: 6°C
Avg: 4°C
Low: 2°C
Feb
4°
High: 7°C
Avg: 4°C
Low: 2°C
Mar
6°
High: 9°C
Avg: 6°C
Low: 4°C
Apr
9°
High: 11°C
Avg: 9°C
Low: 6°C
May
11°
High: 13°C
Avg: 11°C
Low: 9°C
Jun
13°
High: 15°C
Avg: 13°C
Low: 11°C
Jul
14°
High: 16°C
Avg: 14°C
Low: 12°C
Aug
12°
High: 15°C
Avg: 12°C
Low: 10°C
Sep
9°
High: 11°C
Avg: 9°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 75 mm 150 mm 225 mm
185 mm
185.4 mm
Jan
132 mm
132.1 mm
Feb
132 mm
132.1 mm
Mar
124 mm
124.5 mm
Apr
89 mm
88.9 mm
May
102 mm
101.6 mm
Jun
97 mm
96.5 mm
Jul
124 mm
124.5 mm
Aug
178 mm
177.8 mm
Sep
231 mm
231.1 mm
Oct
221 mm
221.0 mm
Nov
211 mm
210.8 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec7.5h9.5h11.5h14h16h17h16.5h14.5h12.5h10h8h7h
Jan: 8:11 AM – 3:49 PM · 7h 38m
Feb: 7:17 AM – 4:43 PM · 9h 27m
Mar: 6:16 AM – 5:44 PM · 11h 29m
Apr: 5:07 AM – 6:53 PM · 13h 47m
May: 4:07 AM – 7:53 PM · 15h 46m
Jun: 3:33 AM – 8:27 PM · 16h 54m
Jul: 3:47 AM – 8:13 PM · 16h 26m
Aug: 4:40 AM – 7:20 PM · 14h 39m
Sep: 5:48 AM – 6:12 PM · 12h 25m
Oct: 6:54 AM – 5:06 PM · 10h 11m
Nov: 7:55 AM – 4:05 PM · 8h 09m
Dec: 8:27 AM – 3:33 PM · 7h 05m
Daylight Longest: 16h 56m · Shortest: 7h 04m

Nearby Stations

Langara Island Rcs, BC March 9 - November 22 Craig, AKApril 14 - November 1 Klawock AP, AK April 29 - October 16 Thorne Bay, AKMay 1 - October 13

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