Frost Dates for Port McNeill, BC

Based on data from Port Hardy A weather station, 14 miles away

Elevation: 10 m

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. April 19
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. November 2

30% Probability

Only 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 April 25
First Fall Frost October 24

Hard Freeze (−2°C)

Last Spring Hard Freeze March 3
First Fall Hard Freeze November 18
50.59°N, 127.09°W © OpenStreetMap

Growing Season

197 Days April 19 to November 2

USDA Hardiness Zone

Hardiness 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 8b

Avg. annual minimum: −9 to −7°C

Learn more

Köppen Climate

The 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

Avg High Avg Temp Avg Low
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January6°4°2°
February7°5°2°
March8°5°2°
April11°7°3°
May14°10°6°
June16°12°9°
July18°14°11°
August18°15°11°
September16°12°9°
October12°9°6°
November8°6°3°
December6°4°2°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January251
February155
March175
April119
May71
June71
July56
August81
September122
October264
November318
December269

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 16h 16m · Shortest: 7h 44m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January8:32 AM4:45 PM8h 13m
February7:51 AM5:37 PM9h 46m
March7:53 AM7:25 PM11h 32m
April6:43 AM8:16 PM13h 33m
May5:48 AM9:04 PM15h 16m
June5:23 AM9:37 PM16h 14m
July5:40 AM9:30 PM15h 50m
August6:24 AM8:43 PM14h 19m
September7:13 AM7:35 PM12h 22m
October8:02 AM6:27 PM10h 25m
November7:55 AM4:34 PM8h 39m
December8:32 AM4:18 PM7h 46m

Nearby Stations

Quatsino, BCApril 5 - November 14 Herbert Island (Aut), BC February 11 - December 4 Port Alice, BC March 27 - November 15 Pine Island, BC February 16 - December 5 Quatsino Lightstation, BC February 28 - December 2 Egg Island, BC March 15 - November 22

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