Frost Dates for Minturn, CO
Based on data from Vail weather station, 5 miles away
Elevation: 7861 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.
June 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.
September 7
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 28
First Fall Frost
September 3
Hard Freeze (28°F)
Last Spring Hard Freeze
May 31
First Fall Hard Freeze
September 21
Growing Season
78 Days
June 21 to September 7
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
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dfc
Subarctic
Short, cool summers and long, very cold winters. Growing seasons of 3–4 months require fast-maturing varieties. Root vegetables, potatoes, and cold-hardy greens are the most reliable.
Temperature
0°
20°
40°
60°
80°
Avg High
Avg Temp
Avg Low
Light Frost (32°F)
Hard Frost (28°F)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 29° | 18° | 7° |
| February | 33° | 21° | 9° |
| March | 42° | 29° | 17° |
| April | 49° | 37° | 24° |
| May | 60° | 46° | 31° |
| June | 71° | 54° | 36° |
| July | 77° | 59° | 42° |
| August | 74° | 57° | 41° |
| September | 67° | 50° | 34° |
| October | 54° | 40° | 25° |
| November | 38° | 26° | 15° |
| December | 28° | 18° | 7° |
Precipitation
0"
2"
4"
5.7"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 3.5 |
| February | 3.8 |
| March | 4.2 |
| April | 4.7 |
| May | 4.5 |
| June | 3.9 |
| July | 3.7 |
| August | 3.5 |
| September | 4.2 |
| October | 5.7 |
| November | 4.0 |
| December | 3.4 |
Sunrise / Sunset
Daylight
Mountain Time (MT)
Longest: 14h 48m · Shortest: 9h 12m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:30 AM | 4:60 PM | 9h 29m |
| February | 7:05 AM | 5:35 PM | 10h 30m |
| March | 7:24 AM | 7:06 PM | 11h 41m |
| April | 6:34 AM | 7:37 PM | 13h 03m |
| May | 5:56 AM | 8:07 PM | 14h 11m |
| June | 5:42 AM | 8:29 PM | 14h 47m |
| July | 5:55 AM | 8:27 PM | 14h 33m |
| August | 6:23 AM | 7:56 PM | 13h 34m |
| September | 6:53 AM | 7:07 PM | 12h 15m |
| October | 7:23 AM | 6:18 PM | 10h 56m |
| November | 6:57 AM | 4:44 PM | 9h 46m |
| December | 7:25 AM | 4:37 PM | 9h 12m |
Nearby Stations
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