Shoreham, NY frost dates
How Shoreham compares
- In 8 years out of 10, the last spring frost in Shoreham falls between April 7 and May 6, a 29-day window. The first fall frost falls between October 9 and November 6.
- The median last frost is 12 days earlier than the New York median of May 3.
- Its 186-day growing season is longer than 80% of the 1,610 New York places with a regular frost season (state median 163 days).
- The last frost is 16 days later than the zone 7b median of Apr 5. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7b chart.
- The weather station records an average of 118 nights a year at or below 32°F.
- Compared with Milford, CT, 34 km away, the last frost here is 16 days later than there and the growing season is 29 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 7 |
| 50% (median) | April 21 |
| 10% (safe for tender plants) | May 6 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 9 |
| 50% (median) | October 24 |
| 90% (late) | November 6 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Shoreham, NY
Shoreham, NY frost dates — last frost Apr 21, first frost Oct 24, zone 7b. whenisthelastfrost.com
When to plant vegetables in Shoreham, NY
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 27 – Feb 10 | Mar 24 – Apr 7 | — | — |
| Peppers | Feb 10 – Feb 24 | May 5 – May 19 | — | — |
| Eggplant | Feb 10 – Feb 24 | May 5 – May 19 | — | — |
| Tomatoes | Feb 24 – Mar 10 | Apr 28 – May 12 | — | — |
| Lettuce | Feb 24 – Mar 10 | Mar 31 – Apr 14 | Mar 24 – Apr 28 | Aug 29 – Sep 26 |
| Kale | Feb 24 – Mar 10 | Mar 24 – Apr 7 | Mar 24 – Apr 7 | Aug 15 – Sep 5 |
| Broccoli | Feb 24 – Mar 10 | Apr 7 – Apr 21 | — | Jul 18 – Aug 8 |
| Cabbage | Feb 24 – Mar 10 | Mar 31 – Apr 14 | — | Jul 18 – Aug 8 |
| Cauliflower | Feb 24 – Mar 10 | Apr 7 – Apr 21 | — | Jul 18 – Aug 8 |
| Okra | Mar 10 – Mar 24 | May 12 – May 26 | May 12 – May 26 | — |
| Basil | Mar 10 – Mar 24 | Apr 28 – May 12 | — | — |
| Peas | — | — | Mar 10 – Mar 31 | Aug 1 – Aug 22 |
| Spinach | — | — | Mar 10 – Mar 31 | Aug 29 – Sep 19 |
| Radishes | — | — | Mar 17 – Apr 28 | Sep 12 – Oct 3 |
| Cucumbers | Mar 24 – Mar 31 | May 5 – May 12 | Apr 28 – May 12 | Aug 8 – Aug 22 |
| Zucchini & Summer Squash | Mar 24 – Mar 31 | — | Apr 28 – May 12 | Aug 15 – Aug 29 |
| Winter Squash & Pumpkins | Mar 24 – Mar 31 | — | Apr 28 – May 12 | — |
| Melons & Watermelon | Mar 24 – Mar 31 | May 5 – May 19 | — | — |
| Carrots | — | — | Mar 31 – Apr 28 | Aug 1 – Aug 15 |
| Beets | — | — | Mar 31 – Apr 28 | Aug 15 – Aug 29 |
| Potatoes | — | — | Mar 31 – Apr 21 | — |
| Swiss Chard | — | — | Apr 7 – May 5 | Aug 15 – Aug 29 |
| Cilantro | — | — | Apr 7 – Apr 28 | Aug 29 – Sep 19 |
| Green Beans | — | — | Apr 28 – May 19 | Aug 8 – Aug 22 |
| Sweet Corn | — | — | Apr 28 – May 12 | — |
| Sweet Potatoes | — | May 5 – May 26 | — | — |
| Garlic | — | — | — | Oct 10 – Nov 14 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Upton Coop - Nwsfo New York, NY weather station, 10 km away (elevation 79 ft (24 m)).
Frost dates near Shoreham
- Rocky Point Apr 4 · Nov 7
- Wading River Apr 24 · Oct 25
- Ridge Apr 21 · Oct 24
- Sound Beach Apr 4 · Nov 7
- Miller Place Apr 4 · Nov 7
- Upton Apr 21 · Oct 24
- Middle Island Apr 21 · Oct 24
- Mount Sinai Apr 4 · Nov 7
- Coram Apr 4 · Nov 7
- Yaphank Apr 18 · Oct 28
Frequently asked questions
When is the last frost in Shoreham, NY?
The median last spring frost in Shoreham, NY is April 21. There is still about a 10% chance of frost after May 6, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Shoreham, NY?
The median first fall frost is October 24, with about a 10% chance of frost before October 9.
How long is the growing season in Shoreham, NY?
About 186 days between the median last spring frost and first fall frost.
What planting zone is Shoreham, NY?
Shoreham, NY is in USDA hardiness zone 7b.