Frost Dates for Crosby, ND

Elevation: 597 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 17
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 23

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 22
First Fall Frost September 19

Hard Freeze (28°F)

Last Spring Hard Freeze May 7
First Fall Hard Freeze September 30
48.91°N, 103.30°W © OpenStreetMap

Growing Season

129 Days May 17 to September 23

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°10°0°
February24°14°4°
March37°27°16°
April55°42°29°
May67°54°40°
June75°63°50°
July81°68°55°
August81°67°53°
September70°57°44°
October53°42°31°
November36°26°17°
December23°14°5°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January1.6
February1.5
March1.9
April2.8
May4.8
June4.9
July4.8
August4.4
September4.4
October3.1
November2.1
December1.8

Sunrise / Sunset

Daylight Longest: 15h 59m · Shortest: 8h 01m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:46 AM4:14 PM8h 28m
February7:03 AM4:57 PM9h 54m
March6:13 AM5:47 PM11h 34m
April5:16 AM6:44 PM13h 28m
May4:28 AM7:32 PM15h 04m
June4:02 AM7:58 PM15h 57m
July4:12 AM7:48 PM15h 35m
August4:55 AM7:05 PM14h 11m
September5:50 AM6:10 PM12h 20m
October6:45 AM5:15 PM10h 31m
November7:34 AM4:26 PM8h 52m
December7:59 AM4:01 PM8h 03m

Nearby Stations

Wildrose 3nw, ND May 18 - September 20 Fortuna 1 W, ND May 19 - September 17 Estevan A, SK May 17 - September 16 Midale, SKMay 17 - September 19 Westby, MTMay 18 - September 21 Powers Lake 1n, ND May 18 - September 17

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