Last frost date in North Platte, NE
The average last frost in North Platte is May 11. By May 26 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about October 1, which leaves 142 frost-free days. An early freeze before September 16 happens one year in ten.
- Safe after (10% risk)
- May 26
- Average first frost
- Oct 1
- Frost-free season
- 142 days
- Hard freeze (28°F) ends
- May 2
Frost possible in low spots Mon night, low 33°F
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2258°
- FriOct 2353°
- SatOct 2438°
- SunOct 2537°
- MonOct 2633°possible frost
- TueOct 2735°possible frost
- WedOct 2837°
Planting calendar for North Platte
Windows count forward or back from the average frost dates above. Click a crop for dates across Nebraska.
TomatoesMay 18–Jun 1
PumpkinsMay 25–Jun 8
SunflowersMay 11–Jun 1
CucumbersMay 25–Jun 1
CornMay 18–Jun 1
Sweet potatoesJun 1–Jun 15
WatermelonMay 25–Jun 8
Green beansMay 18–Jun 8
ZucchiniMay 18–Jun 1
OkraJun 1–Jun 15
PeppersMay 25–Jun 8
BasilMay 18–Jun 1
Butternut squashMay 18–Jun 1
CantaloupeMay 25–Jun 8
EggplantMay 25–Jun 8
PotatoesApr 13–Apr 27
OnionsMar 30–Apr 20
CarrotsApr 20–May 25
LettuceApr 27–May 18
BroccoliApr 13–Apr 27
BeetsApr 13–May 25
PeasMar 30–Apr 13
CabbageApr 13–Apr 27
RadishesApr 6–May 18
Brussels sproutsApr 27–May 11
SpinachMar 30–Apr 20
CilantroApr 27–May 18
KaleApr 13–Apr 27
Collard greensApr 13–Apr 27
TurnipsApr 13–Apr 27
DillMay 11–May 25
CeleryMay 18–May 25
CauliflowerApr 27–May 11
LeeksApr 27–May 11
Swiss chardApr 27–May 25
ParsleyApr 27–May 18
Tulip bulbsSep 17–Oct 22
GarlicSep 10–Oct 15
Daffodil bulbsSep 3–Oct 15
StrawberriesApr 13–Apr 27
AsparagusApr 13–Apr 27Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Apr 30 | May 11 | May 26 | Sep 16 | Oct 1 | Oct 13 |
| Hard freeze, 28°F | Apr 18 | May 2 | May 14 | Sep 25 | Oct 10 | Oct 22 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station North Platte Regional Airport (USW00024023) sits 4.2 miles from the center of North Platte at 2,778 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in North Platte, NE?
The average last frost date in North Platte is May 11, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 26.
When is the first frost in North Platte?
The first frost in fall usually comes around October 1. One year in ten it arrives before September 16.
How long is the growing season in North Platte?
About 142 days between the average last and first frost.
When should I plant tomatoes in North Platte?
Plant tomato seedlings outside from May 18 to June 1. Start seeds indoors six to eight weeks earlier.