Frost Dates for Lappe, ON

Based on data from Welcome Island (Aut) weather station, 17 miles away

Elevation: 416 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 7
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 26

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 11
First Fall Frost October 20

Hard Freeze (−2°C)

Last Spring Hard Freeze April 22
First Fall Hard Freeze November 7
48.57°N, 89.35°W © OpenStreetMap

Growing Season

172 Days May 7 to October 26

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 4b

Avg. annual minimum: −32 to −29°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-8°-12°-16°
February-6°-11°-16°
March0°-5°-9°
April5°2°-2°
May11°8°4°
June17°13°9°
July21°17°13°
August21°17°14°
September17°14°11°
October10°7°5°
November3°0°-3°
December-4°-7°-10°

Precipitation

Precipitation table
Average monthly precipitation (millimeters)
MonthPrecipitation
January0
February0
March5
April5
May25
June33
July66
August43
September46
October38
November3
December0

Sunrise / Sunset

Daylight Eastern Time (ET) Longest: 15h 54m · Shortest: 8h 06m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Eastern Time (ET))
Month Sunrise Sunset Daylight
January8:50 AM5:22 PM8h 32m
February8:13 AM6:09 PM9h 57m
March8:19 AM7:53 PM11h 35m
April7:14 AM8:40 PM13h 26m
May6:23 AM9:23 PM15h 00m
June6:01 AM9:53 PM15h 52m
July6:17 AM9:47 PM15h 31m
August6:57 AM9:05 PM14h 08m
September7:41 AM8:01 PM12h 20m
October8:25 AM6:58 PM10h 32m
November8:14 AM5:10 PM8h 56m
December8:48 AM4:56 PM8h 08m

Nearby Stations

Flint, ONJune 13 - August 25 Grand Portage, MN May 24 - September 29 Cameron Falls (Aut), ON May 27 - September 24 Grand Marais, MN May 20 - October 5 Grand Marais, MN May 22 - October 9 Upsala (Aut), ON June 2 - September 9

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