Last frost date in Noblesville, IN

Average last frost
April 21

Expect the last frost in Noblesville around April 21. Frost after May 8 happens in only one year out of ten. The first fall frost usually arrives about October 21, which leaves 183 frost-free days. An early freeze before October 6 happens one year in ten.

Safe after (10% risk)
May 8
Average first frost
Oct 21
Frost-free season
183 days
Hard freeze (28°F) ends
Apr 8
Next 7 nights in Noblesville

No frost in the next 7 nights

Later than usual: the average first frost here is October 21.

National Weather Service forecast, updated Oct 22, 12:57 UTC

  1. ThuOct 2243°
  2. FriOct 2342°
  3. SatOct 2442°
  4. SunOct 2545°
  5. MonOct 2646°
  6. TueOct 2745°
  7. WedOct 2844°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Apr 21First frost Oct 21183 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND183 frost-free days
Frost risk through the year at Carmel 3 E, 5.9 miles from Noblesville.

Planting calendar for Noblesville

Windows count forward or back from the average frost dates above. Click a crop for dates across Indiana.

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesApr 28–May 12
PumpkinsMay 5–May 19
SunflowersApr 21–May 12
CucumbersMay 5–May 12
CornApr 28–May 12
Sweet potatoesMay 12–May 26
WatermelonMay 5–May 19
Green beansApr 28–May 19
ZucchiniApr 28–May 12
OkraMay 12–May 26
PeppersMay 5–May 19
BasilApr 28–May 12
Butternut squashApr 28–May 12
CantaloupeMay 5–May 19
EggplantMay 5–May 19
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesMar 24–Apr 7
OnionsMar 10–Mar 31
CarrotsMar 31–May 5
LettuceApr 7–Apr 28
BroccoliMar 24–Apr 7
BeetsMar 24–May 5
PeasMar 10–Mar 24
CabbageMar 24–Apr 7
RadishesMar 17–Apr 28
Brussels sproutsApr 7–Apr 21
SpinachMar 10–Mar 31
CilantroApr 7–Apr 28
KaleMar 24–Apr 7
Collard greensMar 24–Apr 7
TurnipsMar 24–Apr 7
DillApr 21–May 5
CeleryApr 28–May 5
CauliflowerApr 7–Apr 21
LeeksApr 7–Apr 21
Swiss chardApr 7–May 5
ParsleyApr 7–Apr 28
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsOct 7–Nov 11
GarlicSep 30–Nov 4
Daffodil bulbsSep 23–Nov 4
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesMar 24–Apr 7
AsparagusMar 24–Apr 7

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FApr 5Apr 21May 8Oct 6Oct 21Nov 2
Hard freeze, 28°FMar 25Apr 8Apr 26Oct 18Nov 1Nov 17

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 Carmel 3 E (USC00121303) sits 5.9 miles from the center of Noblesville at 752 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 Noblesville, IN?

The average last frost date in Noblesville is April 21, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 8.

When is the first frost in Noblesville?

The first frost in fall usually comes around October 21. One year in ten it arrives before October 6.

How long is the growing season in Noblesville?

About 183 days between the average last and first frost.

When should I plant tomatoes in Noblesville?

Plant tomato seedlings outside from April 28 to May 12. Start seeds indoors six to eight weeks earlier.

Nearby in Indiana

All 49 cities in Indiana