Frost Dates for Harrisburg 12wnw, NE
Elevation: 1387 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 24
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 20
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 2
First Fall Frost
September 14
Hard Freeze (28°F)
Last Spring Hard Freeze
May 12
First Fall Hard Freeze
September 29
Growing Season
119 Days
May 24 to September 20
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 5a
Avg. annual minimum: −20 to −15°F
Köppen Climate
The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
BSk
Cold Semi-Arid (Steppe)
Cool to cold with low rainfall and wide temperature swings. Common in the western Great Plains and central Asia. Short growing seasons benefit from season extension techniques.
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° | 28° | 14° |
| February | 43° | 29° | 15° |
| March | 53° | 37° | 22° |
| April | 60° | 44° | 29° |
| May | 69° | 54° | 39° |
| June | 81° | 65° | 48° |
| July | 88° | 72° | 55° |
| August | 87° | 70° | 53° |
| September | 78° | 60° | 43° |
| October | 63° | 47° | 30° |
| November | 51° | 36° | 20° |
| December | 41° | 27° | 13° |
Precipitation
0"
2"
4"
4.1"
Precipitation table
| Month | Precipitation |
|---|---|
| January | 1.8 |
| February | 1.9 |
| March | 2.7 |
| April | 3.8 |
| May | 4.1 |
| June | 3.9 |
| July | 3.5 |
| August | 3.9 |
| September | 3.9 |
| October | 3.7 |
| November | 2.6 |
| December | 1.9 |
Sunrise / Sunset
Daylight
Longest: 15h 01m · Shortest: 8h 59m
Sunrise and sunset table
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:21 AM | 4:39 PM | 9h 18m |
| February | 6:48 AM | 5:12 PM | 10h 23m |
| March | 6:10 AM | 5:50 PM | 11h 40m |
| April | 5:26 AM | 6:34 PM | 13h 08m |
| May | 4:50 AM | 7:10 PM | 14h 21m |
| June | 4:30 AM | 7:30 PM | 15h 00m |
| July | 4:38 AM | 7:22 PM | 14h 44m |
| August | 5:10 AM | 6:50 PM | 13h 41m |
| September | 5:52 AM | 6:08 PM | 12h 16m |
| October | 6:35 AM | 5:25 PM | 10h 51m |
| November | 7:12 AM | 4:48 PM | 9h 36m |
| December | 7:30 AM | 4:30 PM | 8h 60m |
Nearby Stations
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