Last frost date in Rome, NY
The average last frost in Rome is May 6. By May 20 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about October 13, which leaves 157 frost-free days. An early freeze before September 29 happens one year in ten.
- Safe after (10% risk)
- May 20
- Average first frost
- Oct 13
- Frost-free season
- 157 days
- Hard freeze (28°F) ends
- Apr 26
Frost likely tonight, low 29°F
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2229°frost
- FriOct 2327°hard freeze
- SatOct 2427°hard freeze
- SunOct 2535°possible frost
- MonOct 2638°
- TueOct 2735°possible frost
- WedOct 2839°
Planting calendar for Rome
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 22 | May 6 | May 20 | Sep 29 | Oct 13 | Oct 30 |
| Hard freeze, 28°F | Apr 12 | Apr 26 | May 10 | Oct 11 | Oct 27 | Nov 12 |
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 Rome Griffiss Airfield (USW00064775) sits 4.0 miles from the center of Rome at 519 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 Rome, NY?
The average last frost date in Rome is May 6, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 20.
When is the first frost in Rome?
The first frost in fall usually comes around October 13. One year in ten it arrives before September 29.
How long is the growing season in Rome?
About 157 days between the average last and first frost.
When should I plant tomatoes in Rome?
Plant tomato seedlings outside from May 13 to May 27. Start seeds indoors six to eight weeks earlier.
Nearby in New York
- UticaMay 1
- SyracuseApr 29
- WatertownMay 2
- AuburnMay 2
- IthacaMay 11
- BinghamtonMay 2
- RotterdamApr 27
- SchenectadyApr 27
- NiskayunaApr 27
- Saratoga SpringsMay 2
- AlbanyApr 27
- TroyApr 19