Frost Dates for Ouray, CO

Frost Dates

Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. May 17
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 1
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30% Probability iOnly 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 24
First Fall Frost September 26

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze May 2
First Fall Hard Freeze October 11
38.02°N, -107.67°W © OpenStreetMap

Growing Season

137 Days May 17 to October 1

USDA Hardiness Zone iHardiness 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

Learn more

Temperature

10° 30° 50° 70°
25°
High: 34°
Avg: 25°
Low: 15°
Jan
28°
High: 37°
Avg: 28°
Low: 19°
Feb
35°
High: 45°
Avg: 35°
Low: 25°
Mar
42°
High: 52°
Avg: 42°
Low: 31°
Apr
51°
High: 63°
Avg: 51°
Low: 39°
May
60°
High: 74°
Avg: 60°
Low: 47°
Jun
66°
High: 79°
Avg: 66°
Low: 53°
Jul
63°
High: 75°
Avg: 63°
Low: 51°
Aug
57°
High: 69°
Avg: 57°
Low: 45°
Sep
46°
High: 57°
Avg: 46°
Low: 34°
Oct
34°
High: 44°
Avg: 34°
Low: 24°
Nov
25°
High: 35°
Avg: 25°
Low: 16°
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 2" 4" 6" 6.1"
5.0"
5.00"
Jan
4.8"
4.75"
Feb
5.8"
5.78"
Mar
5.7"
5.72"
Apr
4.8"
4.79"
May
4.3"
4.31"
Jun
3.7"
3.74"
Jul
3.6"
3.64"
Aug
4.8"
4.79"
Sep
6.1"
6.06"
Oct
5.6"
5.59"
Nov
4.5"
4.55"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h14h15h14h13h12h11h10h9h
Jan: 7:11 AM – 4:49 PM · 9h 38m
Feb: 6:43 AM – 5:17 PM · 10h 35m
Mar: 6:09 AM – 5:51 PM · 11h 42m
Apr: 5:30 AM – 6:30 PM · 12h 60m
May: 4:58 AM – 7:02 PM · 14h 03m
Jun: 4:41 AM – 7:19 PM · 14h 38m
Jul: 4:48 AM – 7:12 PM · 14h 24m
Aug: 5:16 AM – 6:44 PM · 13h 28m
Sep: 5:53 AM – 6:07 PM · 12h 14m
Oct: 6:30 AM – 5:30 PM · 10h 59m
Nov: 7:03 AM – 4:57 PM · 9h 54m
Dec: 7:19 AM – 4:41 PM · 9h 22m
Daylight Longest: 14h 39m · Shortest: 9h 21m

Nearby Stations

Ouray #2, COMay 18 - October 4 Ridgway, COJune 11 - September 13 Telluride 4wnw, CO Silverton, CO Lake City, CO June 8 - September 17 Lake City 1nne, CO June 9 - September 17

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview