Frost dates for 12053Delanson, NY
The average last spring frost in Delanson is May 7 and the average first fall frost is October 7, giving a typical growing season of about 153 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 7
- Average first fall frost
- Oct 7
- Growing season
- 153 days
Safer after May 23 (1-in-10 risk)
Possible by Sep 25 (1-in-10 risk)
Last frost typically in 185 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) | May 2 · May 18 · Jun 1 | Sep 14 · Sep 28 · Oct 10 | 132 days | 100% |
| Frost / freeze (32°F) | Apr 22 · May 7 · May 23 | Sep 25 · Oct 7 · Oct 22 | 153 days | 100% |
| Hard freeze (28°F) | Apr 9 · Apr 23 · May 11 | Oct 4 · Oct 19 · Nov 4 | 178 days | 100% |
Planting calendar for Delanson
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 6 – Jun 12 |
| Tomatoes | Transplant outdoors | May 23 – Jun 17 |
| Peppers | Start seeds indoors | Apr 6 – May 7 |
| Peppers | Transplant outdoors | Jun 6 – Jul 7 |
| Eggplant | Start seeds indoors | Apr 23 – May 22 |
| Eggplant | Transplant outdoors | Jun 6 – Jul 7 |
| Cucumbers | Sow outdoors | Jun 6 – Jun 27 |
| Summer squash | Sow outdoors | May 23 – Jul 7 |
| Winter squash & pumpkins | Sow outdoors | Jun 6 – Jul 7 |
| Snap beans | Sow outdoors | May 23 – Jul 20 |
| Sweet corn | Sow outdoors | May 23 – Jun 17 |
| Watermelon & cantaloupe | Sow outdoors | Jun 6 – Jul 7 |
| Okra | Sow outdoors | May 30 – Jun 22 |
| Peas | Sow outdoors (spring) | Apr 6 – May 22 |
| Potatoes | Plant outdoors (spring) | Apr 6 – Jun 6 |
| Onions | Start seeds indoors (spring) | Feb 23 – Mar 22 |
| Onions | Transplant outdoors (spring) | Apr 23 – May 22 |
| Broccoli | Start seeds indoors (spring) | Mar 19 – Apr 22 |
| Broccoli | Transplant outdoors (spring) | Apr 23 – May 22 |
| Broccoli | Start seeds indoors (fall) | Jun 7 – Jun 17 |
| Broccoli | Transplant outdoors (fall) | Jul 7 – Jul 18 |
| Cabbage | Start seeds indoors (spring) | Mar 9 – Apr 6 |
| Cabbage | Transplant outdoors (spring) | Apr 6 – May 7 |
| Cabbage | Start seeds indoors (fall) | May 28 – Jun 27 |
| Cabbage | Transplant outdoors (fall) | Jun 27 – Jul 28 |
| Leaf lettuce | Sow outdoors (spring) | Apr 6 – Jun 22 |
| Leaf lettuce | Sow outdoors (fall) | Jun 27 – Aug 13 |
| Spinach | Sow outdoors (spring) | Mar 30 – May 13 |
| Spinach | Sow outdoors (fall) | Jul 14 – Aug 18 |
| Radishes | Sow outdoors (spring) | Apr 6 – May 27 |
| Radishes | Sow outdoors (fall) | Jun 27 – Aug 28 |
| Kale | Sow outdoors (spring) | Apr 23 – May 13 |
| Kale | Sow outdoors (fall) | Jun 20 – Jul 28 |
| Carrots | Sow outdoors (spring) | May 7 – Jun 22 |
| Carrots | Sow outdoors (fall) | May 28 – Jul 13 |
| Garlic | Plant outdoors (fall) | Sep 27 – Oct 28 |
Where these dates come from
ZIP code 12053 is matched to the NOAA station Delanson 2Ne, NY, 2.5 km away, at 984 ft elevation (147 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Delanson 2Ne, NY (used) | 984 ft | May 7 | Oct 7 |
| Schoharie, NY | 734 ft | May 2 | Oct 13 |
| Cobleskill 2 Ese, NY | 1,169 ft | May 9 | Oct 4 |
| Albany Ap, NY | 312 ft | Apr 27 | Oct 15 |
Frost dates near Delanson
- Quaker Street, NY 12141 · last May 7, first Oct 7
- Esperance, NY 12066 · last May 9, first Oct 4
- Duanesburg, NY 12056 · last May 3, first Oct 12
- Gallupville, NY 12073 · last May 2, first Oct 13
- Knox, NY 12107 · last May 9, first Oct 4
- Pattersonville, NY 12137 · last May 9, first Oct 4
- Central Bridge, NY 12035 · last May 9, first Oct 4
- Schoharie, NY 12157 · last May 2, first Oct 13
Frequently asked questions
- When is the last frost in Delanson, NY?
- For ZIP code 12053, the average last spring frost (32°F) is May 7, based on NOAA 1991-2020 climate normals for the Delanson 2Ne, NY weather station. There is a 1-in-10 chance of a frost after May 23.
- When is the first frost in Delanson, NY?
- The average first fall frost (32°F) is October 7. There is a 1-in-10 chance of frost by September 25, so tender plants are at risk from that point on.
- How long is the growing season in 12053?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 153 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.