Frost Dates for Waterdale, CO

Elevation: 1594 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 12
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 1

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 17
First Fall Frost September 26

Hard Freeze (28°F)

Last Spring Hard Freeze May 2
First Fall Hard Freeze October 11
40.43°N, 105.21°W © OpenStreetMap

Growing Season

142 Days May 12 to October 1

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
January44°29°15°
February45°31°17°
March54°39°25°
April60°46°31°
May68°55°41°
June80°65°49°
July87°71°55°
August84°69°53°
September76°61°45°
October63°48°34°
November51°38°24°
December43°29°16°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January2.8
February2.7
March4.0
April4.0
May3.6
June3.0
July2.8
August2.8
September3.3
October3.8
November3.7
December2.6

Sunrise / Sunset

Daylight Longest: 14h 53m · Shortest: 9h 07m
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 25m
February6:46 AM5:14 PM10h 27m
March6:10 AM5:50 PM11h 41m
April5:28 AM6:32 PM13h 05m
May4:53 AM7:07 PM14h 15m
June4:34 AM7:26 PM14h 52m
July4:42 AM7:18 PM14h 37m
August5:12 AM6:48 PM13h 36m
September5:52 AM6:08 PM12h 15m
October6:33 AM5:27 PM10h 54m
November7:09 AM4:51 PM9h 42m
December7:26 AM4:34 PM9h 08m

Nearby Stations

Loveland 2n, COMay 10 - October 1 Ft Collins, COMay 2 - October 7 Buckhorn Mtn 1 E, CO May 21 - September 29 Ft Collins 4 E, CO May 3 - October 6 Estes Park 3 Sse, CO May 30 - September 17 Longmont 2 Ese, CO May 7 - October 5

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