Last frost date in Syracuse, NY
The average last frost in Syracuse is April 29. By May 13 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about October 19, which leaves 173 frost-free days. An early freeze before October 2 happens one year in ten.
- Safe after (10% risk)
- May 13
- Average first frost
- Oct 19
- Frost-free season
- 173 days
- Hard freeze (28°F) ends
- Apr 16
Frost likely Fri night, low 30°F
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2233°possible frost
- FriOct 2330°frost
- SatOct 2434°possible frost
- SunOct 2542°
- MonOct 2641°
- TueOct 2739°
- WedOct 2843°
Planting calendar for Syracuse
Windows count forward or back from the average frost dates above. Click a crop for dates across New York.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Apr 16 | Apr 29 | May 13 | Oct 2 | Oct 19 | Nov 4 |
| Hard freeze, 28°F | Apr 4 | Apr 16 | Apr 30 | Oct 16 | Nov 2 | Nov 16 |
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 Syracuse Hancock International Airport (USW00014771) sits 5.2 miles from the center of Syracuse at 413 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 Syracuse, NY?
The average last frost date in Syracuse is April 29, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 13.
When is the first frost in Syracuse?
The first frost in fall usually comes around October 19. One year in ten it arrives before October 2.
How long is the growing season in Syracuse?
About 173 days between the average last and first frost.
When should I plant tomatoes in Syracuse?
Plant tomato seedlings outside from May 6 to May 20. Start seeds indoors six to eight weeks earlier.
Nearby in New York
- AuburnMay 2
- RomeMay 6
- IthacaMay 11
- UticaMay 1
- WatertownMay 2
- BinghamtonMay 2
- BrightonApr 24
- IrondequoitApr 24
- ElmiraMay 6
- RochesterApr 24
- RotterdamApr 27
- SchenectadyApr 27