Frost Dates for Witless Bay, NL

Based on data from Holyrood Gen Stn weather station, 17 miles away

Elevation: 47 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. June 5
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. October 10

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 June 12
First Fall Frost October 3

Hard Freeze (−2°C)

Last Spring Hard Freeze May 5
First Fall Hard Freeze November 2
47.28°N, 52.83°W © OpenStreetMap

Growing Season

127 Days June 5 to October 10

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 6b

Avg. annual minimum: −21 to −18°C

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfc Subarctic

Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (0°C) Hard Frost (−2°C)
Temperature table
Average monthly temperatures (°C)
Month Avg High Avg Temp Avg Low
January1°-3°-7°
February1°-3°-7°
March3°-1°-4°
April7°3°-1°
May12°7°3°
June17°12°7°
July22°17°12°
August22°17°13°
September18°14°10°
October13°9°6°
November8°4°1°
December4°1°-3°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January117
February79
March69
April97
May84
June79
July94
August79
September114
October124
November114
December124

Sunrise / Sunset

Daylight Newfoundland Time (NT) Longest: 15h 46m · Shortest: 8h 14m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Newfoundland Time (NT))
Month Sunrise Sunset Daylight
January7:52 AM4:31 PM8h 39m
February7:17 AM5:17 PM10h 01m
March7:24 AM6:60 PM11h 35m
April6:21 AM7:44 PM13h 23m
May5:32 AM8:26 PM14h 54m
June5:11 AM8:55 PM15h 44m
July5:26 AM8:50 PM15h 23m
August6:05 AM8:09 PM14h 04m
September6:47 AM7:07 PM12h 19m
October7:30 AM6:05 PM10h 35m
November7:16 AM4:19 PM9h 02m
December7:50 AM4:06 PM8h 16m

Nearby Stations

Butlerville, NL June 13 - September 21 St John'S A, NL May 26 - October 18 Whitbourne, NL June 9 - September 23 Argentia (Aut), NL May 4 - November 8 Goobies, NLJune 12 - September 2 Cape Race (Aut), NL May 28 - October 17

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