Frost dates in Nebraska

Across Nebraska, the typical last spring frost is around Apr 27 and the first fall frost around Oct 11. Your own dates depend on where you are in the state; find your county below.

Most of the state's last spring frosts fall between Apr 19 and May 8, and its first fall frosts between Oct 2 and Oct 18.

These are the dates with a 50% chance of a 32°F frost on or after (spring) or on or before (fall), so plan tender crops a week or two after the spring date and keep row cover handy. For dates at your exact ZIP code, use the zone and frost date lookup; for what to plant when, see the planting guide by frost date.

Hardiness zones in Nebraska: zone 5a, zone 5b, zone 6a

Frost dates by county in Nebraska

CountyLast spring frostFirst fall frostGrowing season
AdamsApr 22Oct 16About 177 days
AntelopeMay 4Oct 4About 153 days
ArthurMay 9Oct 3About 147 days
BannerMay 24Sep 20About 119 days
BlaineMay 9Oct 2About 146 days
BooneMay 1Oct 5About 157 days
Box ButteMay 11Oct 5About 147 days
BoydMay 4Oct 6About 155 days
BrownMay 2Oct 8About 159 days
BuffaloApr 30Oct 10About 163 days
BurtApr 28Oct 10About 165 days
ButlerApr 26Oct 11About 168 days
CassApr 23Oct 16About 176 days
CedarApr 30Oct 5About 158 days
ChaseMay 7Oct 11About 157 days
CherryMay 10Oct 1About 144 days
CheyenneMay 14Sep 30About 139 days
ClayApr 19Oct 20About 184 days
ColfaxApr 25Oct 11About 169 days
CumingApr 28Oct 12About 167 days
CusterMay 4Oct 4About 153 days
DakotaApr 29Oct 5About 159 days
DawesMay 14Sep 30About 139 days
DawsonApr 30Oct 9About 162 days
DeuelMay 10Oct 5About 148 days
DixonMay 3Oct 3About 153 days
DodgeApr 23Oct 15About 175 days
DouglasApr 18Oct 18About 183 days
DundyApr 30Oct 12About 165 days
FillmoreApr 20Oct 18About 181 days
FranklinApr 30Oct 14About 167 days
FrontierMay 1Oct 9About 161 days
FurnasMay 3Oct 5About 155 days
GageApr 22Oct 20About 181 days
GardenMay 9Oct 2About 146 days
GarfieldMay 4Oct 5About 154 days
GosperApr 26Oct 13About 170 days
GrantMay 14Oct 8About 147 days
GreeleyMay 5Oct 2About 150 days
HallApr 25Oct 15About 173 days
HamiltonApr 23Oct 15About 175 days
HarlanApr 25Oct 14About 172 days
HayesMay 3Oct 13About 163 days
HitchcockApr 29Oct 13About 167 days
HoltMay 4Oct 4About 153 days
HookerMay 7Oct 5About 151 days
HowardApr 23Oct 14About 174 days
JeffersonApr 25Oct 15About 173 days
JohnsonApr 26Oct 10About 167 days
KearneyApr 26Oct 12About 169 days
KeithApr 22Oct 18About 179 days
Keya PahaMay 10Oct 1About 144 days
KimballMay 15Sep 26About 134 days
KnoxApr 30Oct 6About 159 days
LancasterApr 24Oct 13About 172 days
LincolnMay 3Oct 9About 159 days
LoganMay 8Oct 3About 148 days
LoupMay 3Oct 5About 155 days
MadisonMay 1Oct 4About 156 days
McPhersonMay 8Oct 3About 148 days
MerrickApr 28Oct 10About 165 days
MorrillMay 13Oct 3About 143 days
NanceApr 30Oct 5About 158 days
NemahaApr 24Oct 10About 169 days
NuckollsApr 29Oct 10About 164 days
OtoeApr 25Oct 11About 169 days
PawneeApr 22Oct 15About 176 days
PerkinsMay 4Oct 7About 156 days
PhelpsMay 2Oct 11About 162 days
PierceApr 30Oct 6About 159 days
PlatteApr 30Oct 10About 163 days
PolkApr 25Oct 14About 172 days
Red WillowMay 1Oct 9About 161 days
RichardsonApr 18Oct 17About 182 days
RockMay 6Oct 1About 148 days
SalineApr 23Oct 13About 173 days
SarpyApr 17Oct 19About 185 days
SaundersApr 23Oct 15About 175 days
Scotts BluffMay 5Oct 4About 152 days
SewardApr 26Oct 12About 169 days
SheridanMay 14Oct 1About 140 days
ShermanMay 3Oct 5About 155 days
SiouxMay 13Oct 2About 142 days
StantonApr 30Oct 9About 162 days
ThayerApr 24Oct 15About 174 days
ThomasMay 9Oct 2About 146 days
ThurstonMay 1Oct 6About 158 days
ValleyMay 5Oct 3About 151 days
WashingtonApr 22Oct 17About 178 days
WayneApr 30Oct 11About 164 days
WebsterMay 1Oct 5About 157 days
WheelerMay 4Oct 8About 157 days
YorkApr 25Oct 18About 176 days

Source: NOAA NCEI U.S. Climate Normals 1991–2020, 50% probability of 32°F, from the weather station nearest each ZIP code; each county shows the middle value across its ZIP codes. Hills, valleys and cities can run a week or more earlier or later.

Frost dates for other states