Frost Dates for Fossil Butte, WY
Elevation: 2068 m
Frost Dates
This location has year-round freezing temperatures.
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 4a
Avg. annual minimum: −30 to −25°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
0°
30°
60°
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 | 28° | 16° | 5° |
| February | 31° | 18° | 6° |
| March | 41° | 28° | 16° |
| April | 52° | 38° | 23° |
| May | 63° | 46° | 30° |
| June | 74° | 54° | 35° |
| July | 83° | 63° | 42° |
| August | 82° | 61° | 41° |
| September | 72° | 52° | 32° |
| October | 57° | 40° | 23° |
| November | 40° | 27° | 14° |
| December | 29° | 17° | 5° |
Precipitation
0"
1"
2"
3"
3.1"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 1.3 |
| February | 1.4 |
| March | 1.9 |
| April | 2.7 |
| May | 3.1 |
| June | 2.6 |
| July | 2.1 |
| August | 2.2 |
| September | 2.8 |
| October | 2.8 |
| November | 1.9 |
| December | 1.7 |
Sunrise / Sunset
Daylight
Longest: 15h 03m · Shortest: 8h 57m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:22 AM | 4:38 PM | 9h 17m |
| February | 6:49 AM | 5:11 PM | 10h 22m |
| March | 6:10 AM | 5:50 PM | 11h 40m |
| April | 5:26 AM | 6:34 PM | 13h 08m |
| May | 4:49 AM | 7:11 PM | 14h 22m |
| June | 4:29 AM | 7:31 PM | 15h 02m |
| July | 4:37 AM | 7:23 PM | 14h 45m |
| August | 5:09 AM | 6:51 PM | 13h 41m |
| September | 5:52 AM | 6:08 PM | 12h 16m |
| October | 6:35 AM | 5:25 PM | 10h 50m |
| November | 7:12 AM | 4:48 PM | 9h 35m |
| December | 7:31 AM | 4:29 PM | 8h 58m |
Nearby Stations
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