Frost Dates for Sheep Mtn, CO
Elevation: 2360 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 27
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.
September 25
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
June 1
First Fall Frost
September 20
Hard Freeze (28°F)
Last Spring Hard Freeze
May 13
First Fall Hard Freeze
October 4
Growing Season
121 Days
May 27 to September 25
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 6a
Avg. annual minimum: −10 to −5°F
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.
Temperature
10°
30°
50°
70°
90°
Avg High
Avg Temp
Avg Low
Light Frost (32°F)
Hard Frost (28°F)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 41° | 29° | 17° |
| February | 42° | 30° | 18° |
| March | 50° | 36° | 23° |
| April | 57° | 42° | 28° |
| May | 66° | 51° | 36° |
| June | 77° | 61° | 45° |
| July | 82° | 66° | 51° |
| August | 79° | 64° | 50° |
| September | 73° | 58° | 43° |
| October | 62° | 47° | 33° |
| November | 49° | 37° | 24° |
| December | 41° | 29° | 17° |
Precipitation
0"
2"
4"
5.2"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 3.2 |
| February | 3.7 |
| March | 4.7 |
| April | 5.2 |
| May | 4.3 |
| June | 3.9 |
| July | 5.2 |
| August | 5.0 |
| September | 3.9 |
| October | 4.3 |
| November | 3.6 |
| December | 3.4 |
Sunrise / Sunset
Daylight
Longest: 14h 37m · Shortest: 9h 23m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:10 AM | 4:50 PM | 9h 40m |
| February | 6:42 AM | 5:18 PM | 10h 36m |
| March | 6:09 AM | 5:51 PM | 11h 43m |
| April | 5:31 AM | 6:29 PM | 12h 59m |
| May | 4:59 AM | 7:01 PM | 14h 02m |
| June | 4:42 AM | 7:18 PM | 14h 36m |
| July | 4:49 AM | 7:11 PM | 14h 22m |
| August | 5:16 AM | 6:44 PM | 13h 27m |
| September | 5:53 AM | 6:07 PM | 12h 14m |
| October | 6:30 AM | 5:30 PM | 10h 60m |
| November | 7:02 AM | 4:58 PM | 9h 55m |
| December | 7:18 AM | 4:42 PM | 9h 24m |
Nearby Stations
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