Frost Dates for Rocky Ford, CO

Based on data from Rocky Ford 2 Se weather station, 2 miles away

Elevation: 4180 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 1
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 8

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 6
First Fall Frost October 3

Hard Freeze (28°F)

Last Spring Hard Freeze April 21
First Fall Hard Freeze October 16
38.05°N, 103.72°W © OpenStreetMap

Growing Season

160 Days May 1 to October 8

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
January48°32°15°
February52°36°19°
March63°45°27°
April71°53°36°
May80°63°46°
June90°73°56°
July93°77°60°
August91°75°59°
September85°67°50°
October72°54°36°
November58°41°24°
December47°31°16°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January0.7
February2.2
March2.9
April3.1
May3.1
June3.4
July4.2
August3.5
September2.8
October3.3
November1.2
December0.0

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 14h 39m · Shortest: 9h 21m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January7:15 AM4:53 PM9h 38m
February6:52 AM5:27 PM10h 35m
March7:13 AM6:56 PM11h 42m
April6:25 AM7:25 PM12h 60m
May5:49 AM7:53 PM14h 04m
June5:36 AM8:14 PM14h 38m
July5:48 AM8:12 PM14h 24m
August6:15 AM7:43 PM13h 29m
September6:42 AM6:56 PM12h 14m
October7:10 AM6:10 PM10h 59m
November6:43 AM4:37 PM9h 54m
December7:10 AM4:32 PM9h 22m

Nearby Stations

La Junta, COApril 26 - October 15 La Junta Muni AP, CO April 24 - October 15 Cheraw 1 N, CO April 30 - October 10 Ordway 1 Ene, COMay 2 - October 8 La Junta 17 Wsw, CO May 8 - October 4 La Junta 20 S, CO April 27 - October 14

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