Frost dates for 13441Rome, NY
The average last spring frost in Rome is May 6 and the average first fall frost is October 13, giving a typical growing season of about 157 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 6
- Average first fall frost
- Oct 13
- Growing season
- 157 days
Safer after May 20 (1-in-10 risk)
Possible by Sep 29 (1-in-10 risk)
Last frost typically in 184 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Apr 30 · May 17 · Jun 1 | Sep 19 · Oct 1 · Oct 14 | 134 days | 100% |
| Frost / freeze (32°F) | Apr 22 · May 6 · May 20 | Sep 29 · Oct 13 · Oct 30 | 157 days | 100% |
| Hard freeze (28°F) | Apr 12 · Apr 26 · May 10 | Oct 11 · Oct 27 · Nov 12 | 182 days | 100% |
Planting calendar for Rome
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Apr 5 – Jun 11 |
| Tomatoes | Transplant outdoors | May 22 – Jun 23 |
| Peppers | Start seeds indoors | Apr 5 – May 6 |
| Peppers | Transplant outdoors | Jun 5 – Jul 6 |
| Eggplant | Start seeds indoors | Apr 22 – May 21 |
| Eggplant | Transplant outdoors | Jun 5 – Jul 6 |
| Cucumbers | Sow outdoors | Jun 5 – Jul 3 |
| Summer squash | Sow outdoors | May 22 – Jul 6 |
| Winter squash & pumpkins | Sow outdoors | Jun 5 – Jul 6 |
| Snap beans | Sow outdoors | May 22 – Jul 26 |
| Sweet corn | Sow outdoors | May 22 – Jun 23 |
| Watermelon & cantaloupe | Sow outdoors | Jun 5 – Jul 6 |
| Okra | Sow outdoors | May 29 – Jun 21 |
| Peas | Sow outdoors (spring) | Apr 5 – May 21 |
| Potatoes | Plant outdoors (spring) | Apr 5 – Jun 5 |
| Onions | Start seeds indoors (spring) | Feb 22 – Mar 21 |
| Onions | Transplant outdoors (spring) | Apr 22 – May 21 |
| Broccoli | Start seeds indoors (spring) | Mar 18 – Apr 21 |
| Broccoli | Transplant outdoors (spring) | Apr 22 – May 21 |
| Broccoli | Start seeds indoors (fall) | Jun 13 – Jun 23 |
| Broccoli | Transplant outdoors (fall) | Jul 13 – Jul 24 |
| Cabbage | Start seeds indoors (spring) | Mar 8 – Apr 5 |
| Cabbage | Transplant outdoors (spring) | Apr 5 – May 6 |
| Cabbage | Start seeds indoors (fall) | Jun 3 – Jul 3 |
| Cabbage | Transplant outdoors (fall) | Jul 3 – Aug 3 |
| Leaf lettuce | Sow outdoors (spring) | Apr 5 – Jun 21 |
| Leaf lettuce | Sow outdoors (fall) | Jul 3 – Aug 19 |
| Spinach | Sow outdoors (spring) | Mar 29 – May 12 |
| Spinach | Sow outdoors (fall) | Jul 20 – Aug 24 |
| Radishes | Sow outdoors (spring) | Apr 5 – May 26 |
| Radishes | Sow outdoors (fall) | Jul 3 – Sep 3 |
| Kale | Sow outdoors (spring) | Apr 22 – May 12 |
| Kale | Sow outdoors (fall) | Jun 26 – Aug 3 |
| Carrots | Sow outdoors (spring) | May 6 – Jun 21 |
| Carrots | Sow outdoors (fall) | Jun 3 – Jul 19 |
| Garlic | Plant outdoors (fall) | Oct 3 – Nov 3 |
Where these dates come from
ZIP code 13441 is matched to the NOAA station Rome Griffiss Airfield, NY, 0.9 km away, at 519 ft elevation (47 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Rome Griffiss Airfield, NY (used) | 519 ft | May 6 | Oct 13 |
| Utica Oneida Co Ap, NY | 711 ft | May 1 | Oct 13 |
| Trenton Falls, NY | 800 ft | May 4 | Oct 13 |
| Boonville 4 Ssw, NY | 1,550 ft | May 10 | Oct 4 |
Frost dates near Rome
- Rome, NY 13440 · last May 6, first Oct 13
- Stittville, NY 13469 · last May 1, first Oct 13
- Oriskany, NY 13424 · last May 1, first Oct 13
- Lee Center, NY 13363 · last May 1, first Oct 13
- Marcy, NY 13403 · last May 1, first Oct 13
- Holland Patent, NY 13354 · last May 1, first Oct 13
- Ava, NY 13303 · last May 10, first Oct 4
- Westernville, NY 13486 · last May 1, first Oct 13
Frequently asked questions
- When is the last frost in Rome, NY?
- For ZIP code 13441, the average last spring frost (32°F) is May 6, based on NOAA 1991-2020 climate normals for the Rome Griffiss Airfield, NY weather station. There is a 1-in-10 chance of a frost after May 20.
- When is the first frost in Rome, NY?
- The average first fall frost (32°F) is October 13. There is a 1-in-10 chance of frost by September 29, so tender plants are at risk from that point on.
- How long is the growing season in 13441?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 157 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.