Frost Dates for Brush, CO

Based on data from Ft Morgan weather station, 13 miles away

Elevation: 4219 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 6
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 6

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 10
First Fall Frost October 1

Hard Freeze (28°F)

Last Spring Hard Freeze April 27
First Fall Hard Freeze October 15
40.26°N, 103.62°W © OpenStreetMap

Growing Season

153 Days May 6 to October 6

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 5b

Avg. annual minimum: −15 to −10°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
BSk Cold Semi-Arid (Steppe)

Cool to cold with low rainfall and wide temperature swings. Common in the western Great Plains and central Asia. Short growing seasons benefit from season extension techniques.

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°27°13°
February45°30°15°
March56°41°25°
April63°48°33°
May72°58°43°
June84°69°54°
July90°75°60°
August88°72°57°
September81°64°47°
October66°50°34°
November52°37°21°
December42°28°13°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January0.0
February1.0
March2.7
April3.4
May3.8
June4.1
July4.9
August3.7
September3.4
October4.2
November1.4
December0.0

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 14h 52m · Shortest: 9h 08m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January7:22 AM4:48 PM9h 26m
February6:56 AM5:24 PM10h 28m
March7:15 AM6:56 PM11h 41m
April6:23 AM7:28 PM13h 05m
May5:45 AM7:59 PM14h 14m
June5:30 AM8:21 PM14h 51m
July5:43 AM8:19 PM14h 36m
August6:12 AM7:48 PM13h 36m
September6:42 AM6:57 PM12h 15m
October7:14 AM6:08 PM10h 54m
November6:49 AM4:32 PM9h 43m
December7:17 AM4:26 PM9h 09m

Nearby Stations

Woodrow 6nne, CO May 15 - October 1 New Raymer, COMay 9 - October 4 Akron Washington Co AP, CO May 6 - October 8 Briggsdale, CO May 12 - September 28 Byers 5 Ene, COMay 13 - October 2 Akron 4 E, COMay 8 - October 6

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