Frost dates for 11405Jamaica, NY
The average last spring frost in Jamaica is April 2 and the average first fall frost is November 14, giving a typical growing season of about 226 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 2
- Average first fall frost
- Nov 14
- Growing season
- 226 days
Safer after Apr 13 (1-in-10 risk)
Possible by Nov 2 (1-in-10 risk)
First frost typically in 11 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 1 · Apr 11 · Apr 23 | Oct 21 · Nov 2 · Nov 15 | 203 days | 100% |
| Frost / freeze (32°F) | Mar 20 · Apr 2 · Apr 13 | Nov 2 · Nov 14 · Dec 1 | 226 days | 100% |
| Hard freeze (28°F) | Mar 9 · Mar 23 · Apr 4 | Nov 10 · Nov 26 · Dec 13 | 247 days | 100% |
Planting calendar for Jamaica
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 | Mar 2 – May 8 |
| Tomatoes | Transplant outdoors | Apr 18 – Jul 25 |
| Peppers | Start seeds indoors | Mar 2 – Apr 2 |
| Peppers | Transplant outdoors | May 2 – Jun 2 |
| Eggplant | Start seeds indoors | Mar 19 – Apr 17 |
| Eggplant | Transplant outdoors | May 2 – Jun 2 |
| Cucumbers | Sow outdoors | May 2 – Aug 4 |
| Summer squash | Sow outdoors | Apr 18 – Jun 2 |
| Winter squash & pumpkins | Sow outdoors | May 2 – Jun 2 |
| Snap beans | Sow outdoors | Apr 18 – Aug 27 |
| Sweet corn | Sow outdoors | Apr 18 – Jul 25 |
| Watermelon & cantaloupe | Sow outdoors | May 2 – Jun 2 |
| Okra | Sow outdoors | Apr 25 – May 18 |
| Peas | Sow outdoors (spring) | Mar 2 – Apr 17 |
| Potatoes | Plant outdoors (spring) | Mar 2 – May 2 |
| Onions | Start seeds indoors (spring) | Jan 19 – Feb 15 |
| Onions | Transplant outdoors (spring) | Mar 19 – Apr 17 |
| Broccoli | Start seeds indoors (spring) | Feb 12 – Mar 18 |
| Broccoli | Transplant outdoors (spring) | Mar 19 – Apr 17 |
| Broccoli | Start seeds indoors (fall) | Jul 15 – Jul 25 |
| Broccoli | Transplant outdoors (fall) | Aug 14 – Aug 25 |
| Cabbage | Start seeds indoors (spring) | Feb 2 – Mar 2 |
| Cabbage | Transplant outdoors (spring) | Mar 2 – Apr 2 |
| Cabbage | Start seeds indoors (fall) | Jul 5 – Aug 4 |
| Cabbage | Transplant outdoors (fall) | Aug 4 – Sep 4 |
| Leaf lettuce | Sow outdoors (spring) | Mar 2 – May 18 |
| Leaf lettuce | Sow outdoors (fall) | Aug 4 – Sep 20 |
| Spinach | Sow outdoors (spring) | Feb 23 – Apr 8 |
| Spinach | Sow outdoors (fall) | Aug 21 – Sep 25 |
| Radishes | Sow outdoors (spring) | Mar 2 – Apr 22 |
| Radishes | Sow outdoors (fall) | Aug 4 – Oct 5 |
| Kale | Sow outdoors (spring) | Mar 19 – Apr 8 |
| Kale | Sow outdoors (fall) | Jul 28 – Sep 4 |
| Carrots | Sow outdoors (spring) | Apr 2 – May 18 |
| Carrots | Sow outdoors (fall) | Jul 5 – Aug 20 |
| Garlic | Plant outdoors (fall) | Nov 4 – Dec 5 |
Where these dates come from
ZIP code 11405 is matched to the NOAA station New York Jfk Intl Ap, NY, 9.3 km away, at 11 ft elevation (2 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| New York Jfk Intl Ap, NY (used) | 11 ft | Apr 2 | Nov 14 |
| Ny Ave V Brooklyn, NY | 20 ft | Apr 1 | Nov 19 |
| New York Laguardia Ap, NY | 11 ft | Mar 26 | Nov 25 |
| New York Cntrl Pk Twr, NY | 130 ft | Mar 30 | Nov 20 |
Frost dates near Jamaica
- Flushing, NY 11352 · last Apr 2, first Nov 14
- Jamaica, NY 11424 · last Apr 2, first Nov 14
- Far Rockaway, NY 11695 · last Apr 2, first Nov 14
- Brooklyn, NY 11239 · last Apr 2, first Nov 14
- Howard Beach, NY 11414 · last Apr 2, first Nov 14
- Ozone Park, NY 11417 · last Apr 2, first Nov 14
- Woodhaven, NY 11421 · last Mar 26, first Nov 25
- South Ozone Park, NY 11420 · last Apr 2, first Nov 14
Frequently asked questions
- When is the last frost in Jamaica, NY?
- For ZIP code 11405, the average last spring frost (32°F) is April 2, based on NOAA 1991-2020 climate normals for the New York Jfk Intl Ap, NY weather station. There is a 1-in-10 chance of a frost after April 13.
- When is the first frost in Jamaica, NY?
- The average first fall frost (32°F) is November 14. There is a 1-in-10 chance of frost by November 2, so tender plants are at risk from that point on.
- How long is the growing season in 11405?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 226 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.