Frost Dates for Carson, ND

Elevation: 712 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 19
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 25

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 25
First Fall Frost September 20

Hard Freeze (28°F)

Last Spring Hard Freeze May 11
First Fall Hard Freeze October 2
46.42°N, 101.57°W © OpenStreetMap

Growing Season

129 Days May 19 to September 25

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.
Dwb Warm-Summer Continental (Dry Winter)

Warm, wet summers and cold, dry winters. Growing season is concentrated in summer months. Hardy crops and those suited to short seasons perform best.

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
January24°14°4°
February29°18°7°
March40°29°18°
April53°41°28°
May66°53°40°
June75°63°51°
July83°70°57°
August81°68°54°
September72°59°45°
October56°44°31°
November42°30°19°
December28°18°8°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January1.3
February1.1
March1.8
April3.0
May3.4
June3.6
July3.9
August3.3
September3.0
October2.7
November1.9
December1.3

Sunrise / Sunset

Daylight Longest: 15h 37m · Shortest: 8h 23m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:37 AM4:23 PM8h 47m
February6:57 AM5:03 PM10h 05m
March6:12 AM5:48 PM11h 36m
April5:20 AM6:40 PM13h 20m
May4:36 AM7:24 PM14h 48m
June4:12 AM7:48 PM15h 35m
July4:22 AM7:38 PM15h 16m
August5:00 AM6:60 PM13h 60m
September5:51 AM6:09 PM12h 19m
October6:41 AM5:19 PM10h 38m
November7:26 AM4:34 PM9h 09m
December7:48 AM4:12 PM8h 24m

Nearby Stations

Heart Butte Dam, ND May 14 - September 29 Flasher, NDMay 13 - September 27 Almont, NDMay 17 - September 21 Pretty Rock, ND May 20 - September 23 Breien, NDMay 12 - September 24 New Salem 5nw, ND May 18 - September 24

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