Frost Dates for Mc Cook, NE

Elevation: 793 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 2
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 9

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 7
First Fall Frost October 4

Hard Freeze (28°F)

Last Spring Hard Freeze April 21
First Fall Hard Freeze October 19
40.23°N, 100.61°W © OpenStreetMap

Growing Season

160 Days May 2 to October 9

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 6a

Avg. annual minimum: −10 to −5°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dwa Hot-Summer Continental (Dry Winter)

Hot, wet summers and cold, dry winters. Monsoon influence brings most rain in summer. Good for warm-season crops during the rainy season; winters are harsh but dry.

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
January42°28°14°
February45°31°16°
March56°40°25°
April65°50°34°
May74°60°45°
June86°71°56°
July91°76°62°
August88°74°60°
September81°66°50°
October68°52°36°
November54°39°24°
December43°29°16°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January0.6
February3.2
March4.2
April4.6
May5.5
June6.1
July7.0
August7.3
September5.2
October4.8
November3.4
December2.5

Sunrise / Sunset

Daylight Longest: 14h 52m · Shortest: 9h 08m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:17 AM4:43 PM9h 26m
February6:46 AM5:14 PM10h 28m
March6:10 AM5:50 PM11h 41m
April5:28 AM6:32 PM13h 05m
May4:53 AM7:07 PM14h 14m
June4:34 AM7:26 PM14h 51m
July4:42 AM7:18 PM14h 36m
August5:12 AM6:48 PM13h 36m
September5:52 AM6:08 PM12h 15m
October6:33 AM5:27 PM10h 54m
November7:08 AM4:52 PM9h 43m
December7:26 AM4:34 PM9h 09m

Nearby Stations

Mccook Muni AP, NE May 1 - October 9 Red Willow Dam, NE May 4 - October 2 Culbertson, NEMay 2 - October 9 Medicine Creek Dam, NE May 4 - October 5 Trenton Dam 1n, NE April 29 - October 13 Cambridge, NEMay 3 - October 5

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