Frost Dates for Cohasset, MN

Based on data from Pokegama Dam weather station, 2 miles away

Elevation: 1283 ft

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 16
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 1

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 23
First Fall Frost September 26

Hard Freeze (28°F)

Last Spring Hard Freeze May 3
First Fall Hard Freeze October 10
47.26°N, 93.62°W © OpenStreetMap

Growing Season

138 Days May 16 to October 1

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 3a

Avg. annual minimum: −40 to −35°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
January18°8°-3°
February24°12°1°
March37°26°14°
April50°39°29°
May65°53°41°
June73°63°52°
July78°67°57°
August76°66°55°
September68°57°46°
October52°43°34°
November36°28°20°
December23°14°5°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January1.5
February1.5
March2.6
April3.2
May4.2
June5.0
July5.1
August4.6
September3.5
October3.1
November2.0
December1.9

Sunrise / Sunset

Daylight Central Time (CT) Longest: 15h 44m · Shortest: 8h 16m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Central Time (CT))
Month Sunrise Sunset Daylight
January8:03 AM4:44 PM8h 41m
February7:28 AM5:30 PM10h 02m
March7:36 AM7:12 PM11h 36m
April6:33 AM7:56 PM13h 23m
May5:44 AM8:37 PM14h 53m
June5:23 AM9:06 PM15h 42m
July5:39 AM9:01 PM15h 22m
August6:17 AM8:20 PM14h 03m
September6:59 AM7:18 PM12h 19m
October7:42 AM6:17 PM10h 36m
November7:28 AM4:31 PM9h 03m
December8:01 AM4:19 PM8h 17m

Nearby Stations

Grand Rpds Forest Lab, MN May 17 - September 24 Marcell 5ne, MNMay 14 - October 2 Leech Lake, MNMay 8 - October 1 Sandy Lake Dam Libby, MN May 7 - October 3 Hibbing Chisholm Hibbing AP, MN June 5 - September 8 Floodwood 3 Ne, MN May 29 - September 18

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