Frost Dates for Headingley, MB

Based on data from Winnipeg 'A' Cs weather station, 8 miles away

Elevation: 239 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. May 24
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. September 24

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 May 29
First Fall Frost September 20

Hard Freeze (−2°C)

Last Spring Hard Freeze May 16
First Fall Hard Freeze October 2
49.88°N, 97.41°W © OpenStreetMap

Growing Season

123 Days May 24 to September 24

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 3b

Avg. annual minimum: −37 to −34°C

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfb Warm-Summer Continental

Warm summers and cold, snowy winters. A shorter growing season than hot-summer continental. Hardy vegetables, root crops, and cool-season greens do well. Season extension is valuable.

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
January-11°-16°-21°
February-9°-15°-20°
March-1°-6°-12°
April10°4°-3°
May18°11°4°
June23°17°11°
July26°20°13°
August26°19°12°
September20°13°7°
October10°5°0°
November0°-4°-8°
December-8°-12°-17°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January0
February0
March20
April20
May61
June84
July71
August64
September51
October25
November5
December0

Sunrise / Sunset

Daylight Central Time (CT) Longest: 16h 08m · Shortest: 7h 52m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Central Time (CT))
Month Sunrise Sunset Daylight
January8:29 AM4:48 PM8h 20m
February7:49 AM5:38 PM9h 50m
March7:52 AM7:25 PM11h 33m
April6:44 AM8:15 PM13h 31m
May5:50 AM9:01 PM15h 11m
June5:26 AM9:32 PM16h 06m
July5:43 AM9:26 PM15h 43m
August6:25 AM8:41 PM14h 16m
September7:13 AM7:34 PM12h 21m
October8:01 AM6:28 PM10h 27m
November7:52 AM4:37 PM8h 45m
December8:28 AM4:21 PM7h 53m

Nearby Stations

Winnipeg The Forks, MB May 6 - October 10 Stony Mountain, MB May 19 - September 25 Marquette, MB May 17 - September 28 Carman U Of M Cs, MB May 20 - September 23 Portage Southport, MB May 17 - September 25 Gimli Harbour Cs, MB May 9 - October 3

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