Frost Dates for Niobrara, NE
Elevation: 376 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.
April 25
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.
October 13
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
May 1
First Fall Frost
October 6
Hard Freeze (28°F)
Last Spring Hard Freeze
April 15
First Fall Hard Freeze
October 23
Growing Season
171 Days
April 25 to October 13
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.
Dfa
Hot-Summer Continental
Hot summers and cold winters with year-round precipitation. Moderate growing season supports warm-season crops like tomatoes, peppers, and corn. Winter protection extends the harvest.
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 | 34° | 24° | 13° |
| February | 39° | 28° | 17° |
| March | 52° | 39° | 27° |
| April | 64° | 51° | 37° |
| May | 74° | 62° | 49° |
| June | 84° | 72° | 59° |
| July | 88° | 76° | 64° |
| August | 86° | 74° | 63° |
| September | 79° | 66° | 54° |
| October | 65° | 52° | 40° |
| November | 50° | 38° | 27° |
| December | 37° | 27° | 17° |
Precipitation
0"
2"
4"
6"
7.2"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 1.8 |
| February | 2.1 |
| March | 3.2 |
| April | 4.6 |
| May | 5.0 |
| June | 5.5 |
| July | 5.9 |
| August | 7.2 |
| September | 5.9 |
| October | 3.5 |
| November | 2.9 |
| December | 1.8 |
Sunrise / Sunset
Daylight
Longest: 15h 09m · Shortest: 8h 51m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:24 AM | 4:36 PM | 9h 11m |
| February | 6:50 AM | 5:10 PM | 10h 19m |
| March | 6:10 AM | 5:50 PM | 11h 39m |
| April | 5:25 AM | 6:35 PM | 13h 11m |
| May | 4:47 AM | 7:13 PM | 14h 27m |
| June | 4:26 AM | 7:34 PM | 15h 08m |
| July | 4:35 AM | 7:25 PM | 14h 51m |
| August | 5:08 AM | 6:52 PM | 13h 45m |
| September | 5:52 AM | 6:08 PM | 12h 16m |
| October | 6:36 AM | 5:24 PM | 10h 48m |
| November | 7:15 AM | 4:45 PM | 9h 30m |
| December | 7:34 AM | 4:26 PM | 8h 52m |
Nearby Stations
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