Frost Dates for Durango, CO

Elevation: 2061 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 21
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 2

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 29
First Fall Frost September 27

Hard Freeze (28°F)

Last Spring Hard Freeze May 7
First Fall Hard Freeze October 12
37.29°N, 107.86°W © OpenStreetMap

Growing Season

134 Days May 21 to October 2

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 6b

Avg. annual minimum: −5 to 0°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
January39°26°13°
February45°32°19°
March54°40°25°
April63°46°30°
May71°54°37°
June81°63°46°
July85°69°53°
August82°67°52°
September76°60°45°
October64°49°33°
November50°36°23°
December40°27°13°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January4.8
February3.7
March3.7
April3.2
May2.5
June2.4
July2.4
August3.1
September3.8
October4.8
November4.1
December4.2

Sunrise / Sunset

Daylight Longest: 14h 34m · Shortest: 9h 26m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:09 AM4:51 PM9h 42m
February6:41 AM5:19 PM10h 37m
March6:09 AM5:51 PM11h 43m
April5:31 AM6:29 PM12h 58m
May4:60 AM7:00 PM14h 00m
June4:43 AM7:17 PM14h 33m
July4:50 AM7:10 PM14h 20m
August5:17 AM6:43 PM13h 26m
September5:53 AM6:07 PM12h 14m
October6:30 AM5:30 PM11h 01m
November7:01 AM4:59 PM9h 57m
December7:17 AM4:43 PM9h 27m

Nearby Stations

Ft Lewis, COJune 1 - September 27 Durango La Plata Co AP, CO June 1 - September 27 Lemon Dam, CO May 28 - September 30 Vallecito Reservoir, CO May 18 - October 11 Vallecito Dam, CO May 31 - September 26 Ignacio 6ese, CO May 23 - September 29

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