Frost dates for 14827Coopers Plains, NY
The average last spring frost in Coopers Plains is May 14 and the average first fall frost is October 5, giving a typical growing season of about 144 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 14
- Average first fall frost
- Oct 5
- Growing season
- 144 days
Safer after May 28 (1-in-10 risk)
Possible by Sep 23 (1-in-10 risk)
Last frost typically in 194 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 10 · May 25 · Jun 7 | Sep 12 · Sep 25 · Oct 7 | 121 days | 100% |
| Frost / freeze (32°F) | Apr 28 · May 14 · May 28 | Sep 23 · Oct 5 · Oct 21 | 144 days | 100% |
| Hard freeze (28°F) | Apr 20 · May 3 · May 18 | Oct 3 · Oct 19 · Nov 4 | 167 days | 100% |
Planting calendar for Coopers Plains
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 13 – Jun 19 |
| Tomatoes | Transplant outdoors | May 30 – Jun 15 |
| Peppers | Start seeds indoors | Apr 13 – May 14 |
| Peppers | Transplant outdoors | Jun 13 – Jul 14 |
| Eggplant | Start seeds indoors | Apr 30 – May 29 |
| Eggplant | Transplant outdoors | Jun 13 – Jul 14 |
| Cucumbers | Sow outdoors | Jun 13 – Jun 25 |
| Summer squash | Sow outdoors | May 30 – Jul 14 |
| Winter squash & pumpkins | Sow outdoors | Jun 13 – Jul 14 |
| Snap beans | Sow outdoors | May 30 – Jul 18 |
| Sweet corn | Sow outdoors | May 30 – Jun 15 |
| Watermelon & cantaloupe | Sow outdoors | Jun 13 – Jul 14 |
| Okra | Sow outdoors | Jun 6 – Jun 29 |
| Peas | Sow outdoors (spring) | Apr 13 – May 29 |
| Potatoes | Plant outdoors (spring) | Apr 13 – Jun 13 |
| Onions | Start seeds indoors (spring) | Mar 2 – Mar 29 |
| Onions | Transplant outdoors (spring) | Apr 30 – May 29 |
| Broccoli | Start seeds indoors (spring) | Mar 26 – Apr 29 |
| Broccoli | Transplant outdoors (spring) | Apr 30 – May 29 |
| Broccoli | Start seeds indoors (fall) | Jun 5 – Jun 15 |
| Broccoli | Transplant outdoors (fall) | Jul 5 – Jul 16 |
| Cabbage | Start seeds indoors (spring) | Mar 16 – Apr 13 |
| Cabbage | Transplant outdoors (spring) | Apr 13 – May 14 |
| Cabbage | Start seeds indoors (fall) | May 26 – Jun 25 |
| Cabbage | Transplant outdoors (fall) | Jun 25 – Jul 26 |
| Leaf lettuce | Sow outdoors (spring) | Apr 13 – Jun 29 |
| Leaf lettuce | Sow outdoors (fall) | Jun 25 – Aug 11 |
| Spinach | Sow outdoors (spring) | Apr 6 – May 20 |
| Spinach | Sow outdoors (fall) | Jul 12 – Aug 16 |
| Radishes | Sow outdoors (spring) | Apr 13 – Jun 3 |
| Radishes | Sow outdoors (fall) | Jun 25 – Aug 26 |
| Kale | Sow outdoors (spring) | Apr 30 – May 20 |
| Kale | Sow outdoors (fall) | Jun 18 – Jul 26 |
| Carrots | Sow outdoors (spring) | May 14 – Jun 29 |
| Carrots | Sow outdoors (fall) | May 26 – Jul 11 |
| Garlic | Plant outdoors (fall) | Sep 25 – Oct 26 |
Where these dates come from
ZIP code 14827 is matched to the NOAA station Addison, NY, 11.5 km away, at 999 ft elevation (38 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Addison, NY (used) | 999 ft | May 14 | Oct 5 |
| Corning, NY | 1,147 ft | May 17 | Oct 2 |
| Elmira Corning Rgnl Ap, NY | 955 ft | May 9 | Oct 9 |
| Cowanesque Dam, PA | 1,150 ft | May 9 | Oct 12 |
Frost dates near Coopers Plains
- Painted Post, NY 14870 · last May 14, first Oct 5
- Corning, NY 14831 · last May 17, first Oct 2
- Campbell, NY 14821 · last May 14, first Oct 5
- Addison, NY 14801 · last May 14, first Oct 5
- Savona, NY 14879 · last May 12, first Oct 3
- Big Flats, NY 14814 · last May 9, first Oct 9
- Lindley, NY 14858 · last May 9, first Oct 12
- Beaver Dams, NY 14812 · last May 10, first Oct 8
Frequently asked questions
- When is the last frost in Coopers Plains, NY?
- For ZIP code 14827, the average last spring frost (32°F) is May 14, based on NOAA 1991-2020 climate normals for the Addison, NY weather station. There is a 1-in-10 chance of a frost after May 28.
- When is the first frost in Coopers Plains, NY?
- The average first fall frost (32°F) is October 5. There is a 1-in-10 chance of frost by September 23, so tender plants are at risk from that point on.
- How long is the growing season in 14827?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 144 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.