Frost Dates for Lennep 5 Sw, MT
Elevation: 1707 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 4b
Avg. annual minimum: −25 to −20°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°
Avg High
Avg Temp
Avg Low
Light Frost (32°F)
Hard Frost (28°F)
Temperature table
| Month | Avg High | Avg Temp | Avg Low |
|---|---|---|---|
| January | 31° | 22° | 13° |
| February | 32° | 22° | 12° |
| March | 40° | 29° | 18° |
| April | 48° | 36° | 24° |
| May | 58° | 45° | 32° |
| June | 66° | 53° | 39° |
| July | 77° | 60° | 43° |
| August | 77° | 59° | 41° |
| September | 66° | 50° | 35° |
| October | 52° | 39° | 27° |
| November | 38° | 29° | 19° |
| December | 30° | 21° | 13° |
Precipitation
0"
2"
4"
4.5"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 1.8 |
| February | 1.4 |
| March | 1.9 |
| April | 2.4 |
| May | 4.0 |
| June | 4.5 |
| July | 3.5 |
| August | 2.9 |
| September | 3.1 |
| October | 2.5 |
| November | 1.9 |
| December | 1.9 |
Sunrise / Sunset
Daylight
Longest: 15h 36m · Shortest: 8h 24m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:36 AM | 4:24 PM | 8h 47m |
| February | 6:57 AM | 5:03 PM | 10h 05m |
| March | 6:12 AM | 5:48 PM | 11h 36m |
| April | 5:20 AM | 6:40 PM | 13h 20m |
| May | 4:36 AM | 7:24 PM | 14h 47m |
| June | 4:13 AM | 7:47 PM | 15h 35m |
| July | 4:22 AM | 7:38 PM | 15h 15m |
| August | 5:00 AM | 6:60 PM | 13h 59m |
| September | 5:51 AM | 6:09 PM | 12h 19m |
| October | 6:41 AM | 5:19 PM | 10h 38m |
| November | 7:25 AM | 4:35 PM | 9h 09m |
| December | 7:48 AM | 4:12 PM | 8h 25m |
Nearby Stations
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 FreeAvailable everywhere: iOS, Android, web, and more!