Frost Dates for Sandstone 6 W, MN

Elevation: 344 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 13
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 29

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 19
First Fall Frost September 23

Hard Freeze (28°F)

Last Spring Hard Freeze April 30
First Fall Hard Freeze October 10
46.11°N, 92.99°W © OpenStreetMap

Growing Season

139 Days May 13 to September 29

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 4a

Avg. annual minimum: −30 to −25°F

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 (32°F) Hard Frost (28°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January20°11°2°
February26°16°6°
March38°28°18°
April52°41°30°
May66°54°41°
June75°63°52°
July79°67°56°
August77°66°54°
September69°58°46°
October55°45°35°
November39°30°22°
December25°17°10°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January1.4
February1.7
March2.7
April3.9
May4.7
June5.9
July7.6
August5.8
September4.4
October4.3
November2.0
December2.1

Sunrise / Sunset

Daylight Central Time (CT) Longest: 15h 34m · Shortest: 8h 26m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Central Time (CT))
Month Sunrise Sunset Daylight
January7:57 AM4:46 PM8h 49m
February7:23 AM5:30 PM10h 06m
March7:33 AM7:10 PM11h 37m
April6:33 AM7:52 PM13h 19m
May5:45 AM8:31 PM14h 46m
June5:26 AM8:59 PM15h 33m
July5:41 AM8:54 PM15h 14m
August6:17 AM8:15 PM13h 58m
September6:57 AM7:16 PM12h 18m
October7:38 AM6:17 PM10h 39m
November7:22 AM4:32 PM9h 11m
December7:54 AM4:21 PM8h 27m

Nearby Stations

Hinckley, MNMay 16 - September 24 Mora, MNMay 9 - September 30 Moose Lake 1 Sse, MN May 12 - October 2 Bruno 7ene, MN May 18 - September 26 Grantsburg, WIMay 11 - October 1 Isle 12n, MNMay 10 - October 3

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