Last frost date in Niagara Falls, NY

Average last frost
April 26

Expect the last frost in Niagara Falls around April 26. Frost after May 11 happens in only one year out of ten. The first fall frost usually arrives about October 25, which leaves 179 frost-free days. An early freeze before October 7 happens one year in ten.

Safe after (10% risk)
May 11
Average first frost
Oct 25
Frost-free season
179 days
Hard freeze (28°F) ends
Apr 15
Next 7 nights in Niagara Falls

Frost possible in low spots Fri night, low 34°F

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

  1. ThuOct 2239°
  2. FriOct 2334°possible frost
  3. SatOct 2441°
  4. SunOct 2548°
  5. MonOct 2644°
  6. TueOct 2741°
  7. WedOct 2842°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Apr 26First frost Oct 25179 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND179 frost-free days
Frost risk through the year at Niagara Falls, 2.2 miles from Niagara Falls.

Planting calendar for Niagara Falls

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

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesMay 3–May 17
PumpkinsMay 10–May 24
SunflowersApr 26–May 17
CucumbersMay 10–May 17
CornMay 3–May 17
Sweet potatoesMay 17–May 31
WatermelonMay 10–May 24
Green beansMay 3–May 24
ZucchiniMay 3–May 17
OkraMay 17–May 31
PeppersMay 10–May 24
BasilMay 3–May 17
Butternut squashMay 3–May 17
CantaloupeMay 10–May 24
EggplantMay 10–May 24
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesMar 29–Apr 12
OnionsMar 15–Apr 5
CarrotsApr 5–May 10
LettuceApr 12–May 3
BroccoliMar 29–Apr 12
BeetsMar 29–May 10
PeasMar 15–Mar 29
CabbageMar 29–Apr 12
RadishesMar 22–May 3
Brussels sproutsApr 12–Apr 26
SpinachMar 15–Apr 5
CilantroApr 12–May 3
KaleMar 29–Apr 12
Collard greensMar 29–Apr 12
TurnipsMar 29–Apr 12
DillApr 26–May 10
CeleryMay 3–May 10
CauliflowerApr 12–Apr 26
LeeksApr 12–Apr 26
Swiss chardApr 12–May 10
ParsleyApr 12–May 3
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsOct 11–Nov 15
GarlicOct 4–Nov 8
Daffodil bulbsSep 27–Nov 8
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesMar 29–Apr 12
AsparagusMar 29–Apr 12

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FApr 13Apr 26May 11Oct 7Oct 25Nov 7
Hard freeze, 28°FApr 1Apr 15Apr 30Oct 22Nov 5Nov 21

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 Niagara Falls (USC00305840) sits 2.2 miles from the center of Niagara Falls at 588 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 Niagara Falls, NY?

The average last frost date in Niagara Falls is April 26, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 11.

When is the first frost in Niagara Falls?

The first frost in fall usually comes around October 25. One year in ten it arrives before October 7.

How long is the growing season in Niagara Falls?

About 179 days between the average last and first frost.

When should I plant tomatoes in Niagara Falls?

Plant tomato seedlings outside from May 3 to May 17. Start seeds indoors six to eight weeks earlier.

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