Frost dates for 12023Berne, NY
The average last spring frost in Berne is May 9 and the average first fall frost is October 4, giving a typical growing season of about 148 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 9
- Average first fall frost
- Oct 4
- Growing season
- 148 days
Safer after May 26 (1-in-10 risk)
Possible by Sep 19 (1-in-10 risk)
Last frost typically in 187 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 5 · May 20 · Jun 4 | Sep 9 · Sep 25 · Oct 7 | 126 days | 100% |
| Frost / freeze (32°F) | Apr 26 · May 9 · May 26 | Sep 19 · Oct 4 · Oct 20 | 148 days | 100% |
| Hard freeze (28°F) | Apr 14 · Apr 27 · May 15 | Oct 1 · Oct 15 · Nov 3 | 171 days | 100% |
Planting calendar for Berne
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 8 – Jun 14 |
| Tomatoes | Transplant outdoors | May 25 – Jun 14 |
| Peppers | Start seeds indoors | Apr 8 – May 9 |
| Peppers | Transplant outdoors | Jun 8 – Jul 9 |
| Eggplant | Start seeds indoors | Apr 25 – May 24 |
| Eggplant | Transplant outdoors | Jun 8 – Jul 9 |
| Cucumbers | Sow outdoors | Jun 8 – Jun 24 |
| Summer squash | Sow outdoors | May 25 – Jul 9 |
| Winter squash & pumpkins | Sow outdoors | Jun 8 – Jul 9 |
| Snap beans | Sow outdoors | May 25 – Jul 17 |
| Sweet corn | Sow outdoors | May 25 – Jun 14 |
| Watermelon & cantaloupe | Sow outdoors | Jun 8 – Jul 9 |
| Okra | Sow outdoors | Jun 1 – Jun 24 |
| Peas | Sow outdoors (spring) | Apr 8 – May 24 |
| Potatoes | Plant outdoors (spring) | Apr 8 – Jun 8 |
| Onions | Start seeds indoors (spring) | Feb 25 – Mar 24 |
| Onions | Transplant outdoors (spring) | Apr 25 – May 24 |
| Broccoli | Start seeds indoors (spring) | Mar 21 – Apr 24 |
| Broccoli | Transplant outdoors (spring) | Apr 25 – May 24 |
| Broccoli | Start seeds indoors (fall) | Jun 4 – Jun 14 |
| Broccoli | Transplant outdoors (fall) | Jul 4 – Jul 15 |
| Cabbage | Start seeds indoors (spring) | Mar 11 – Apr 8 |
| Cabbage | Transplant outdoors (spring) | Apr 8 – May 9 |
| Cabbage | Start seeds indoors (fall) | May 25 – Jun 24 |
| Cabbage | Transplant outdoors (fall) | Jun 24 – Jul 25 |
| Leaf lettuce | Sow outdoors (spring) | Apr 8 – Jun 24 |
| Leaf lettuce | Sow outdoors (fall) | Jun 24 – Aug 10 |
| Spinach | Sow outdoors (spring) | Apr 1 – May 15 |
| Spinach | Sow outdoors (fall) | Jul 11 – Aug 15 |
| Radishes | Sow outdoors (spring) | Apr 8 – May 29 |
| Radishes | Sow outdoors (fall) | Jun 24 – Aug 25 |
| Kale | Sow outdoors (spring) | Apr 25 – May 15 |
| Kale | Sow outdoors (fall) | Jun 17 – Jul 25 |
| Carrots | Sow outdoors (spring) | May 9 – Jun 24 |
| Carrots | Sow outdoors (fall) | May 25 – Jul 10 |
| Garlic | Plant outdoors (fall) | Sep 24 – Oct 25 |
Where these dates come from
ZIP code 12023 is matched to the NOAA station Cobleskill 2 Ese, NY, 25 km away, at 1,169 ft elevation (96 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Cobleskill 2 Ese, NY (used) | 1,169 ft | May 9 | Oct 4 |
| Schoharie, NY | 734 ft | May 2 | Oct 13 |
| Delanson 2Ne, NY | 984 ft | May 7 | Oct 7 |
| Alcove Dam, NY | 607 ft | May 3 | Oct 12 |
Frost dates near Berne
- Knox, NY 12107 · last May 9, first Oct 4
- East Berne, NY 12059 · last May 9, first Oct 4
- Gallupville, NY 12073 · last May 2, first Oct 13
- Rensselaerville, NY 12147 · last May 20, first Sep 27
- Westerlo, NY 12193 · last May 3, first Oct 12
- Quaker Street, NY 12141 · last May 7, first Oct 7
- Schoharie, NY 12157 · last May 2, first Oct 13
- Dormansville, NY 12055 · last May 3, first Oct 12
Frequently asked questions
- When is the last frost in Berne, NY?
- For ZIP code 12023, the average last spring frost (32°F) is May 9, based on NOAA 1991-2020 climate normals for the Cobleskill 2 Ese, NY weather station. There is a 1-in-10 chance of a frost after May 26.
- When is the first frost in Berne, NY?
- The average first fall frost (32°F) is October 4. There is a 1-in-10 chance of frost by September 19, so tender plants are at risk from that point on.
- How long is the growing season in 12023?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 148 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.