Frost dates for 13859Wells Bridge, NY
The average last spring frost in Wells Bridge is May 11 and the average first fall frost is October 9, giving a typical growing season of about 151 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 11
- Average first fall frost
- Oct 9
- Growing season
- 151 days
Safer after May 26 (1-in-10 risk)
Possible by Sep 27 (1-in-10 risk)
Last frost typically in 189 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 8 · May 24 · Jun 5 | Sep 16 · Sep 28 · Oct 11 | 128 days | 100% |
| Frost / freeze (32°F) | Apr 27 · May 11 · May 26 | Sep 27 · Oct 9 · Oct 27 | 151 days | 100% |
| Hard freeze (28°F) | Apr 14 · Apr 30 · May 16 | Oct 6 · Oct 23 · Nov 5 | 174 days | 100% |
Planting calendar for Wells Bridge
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 10 – Jun 16 |
| Tomatoes | Transplant outdoors | May 27 – Jun 19 |
| Peppers | Start seeds indoors | Apr 10 – May 11 |
| Peppers | Transplant outdoors | Jun 10 – Jul 11 |
| Eggplant | Start seeds indoors | Apr 27 – May 26 |
| Eggplant | Transplant outdoors | Jun 10 – Jul 11 |
| Cucumbers | Sow outdoors | Jun 10 – Jun 29 |
| Summer squash | Sow outdoors | May 27 – Jul 11 |
| Winter squash & pumpkins | Sow outdoors | Jun 10 – Jul 11 |
| Snap beans | Sow outdoors | May 27 – Jul 22 |
| Sweet corn | Sow outdoors | May 27 – Jun 19 |
| Watermelon & cantaloupe | Sow outdoors | Jun 10 – Jul 11 |
| Okra | Sow outdoors | Jun 3 – Jun 26 |
| Peas | Sow outdoors (spring) | Apr 10 – May 26 |
| Potatoes | Plant outdoors (spring) | Apr 10 – Jun 10 |
| Onions | Start seeds indoors (spring) | Feb 27 – Mar 26 |
| Onions | Transplant outdoors (spring) | Apr 27 – May 26 |
| Broccoli | Start seeds indoors (spring) | Mar 23 – Apr 26 |
| Broccoli | Transplant outdoors (spring) | Apr 27 – May 26 |
| Broccoli | Start seeds indoors (fall) | Jun 9 – Jun 19 |
| Broccoli | Transplant outdoors (fall) | Jul 9 – Jul 20 |
| Cabbage | Start seeds indoors (spring) | Mar 13 – Apr 10 |
| Cabbage | Transplant outdoors (spring) | Apr 10 – May 11 |
| Cabbage | Start seeds indoors (fall) | May 30 – Jun 29 |
| Cabbage | Transplant outdoors (fall) | Jun 29 – Jul 30 |
| Leaf lettuce | Sow outdoors (spring) | Apr 10 – Jun 26 |
| Leaf lettuce | Sow outdoors (fall) | Jun 29 – Aug 15 |
| Spinach | Sow outdoors (spring) | Apr 3 – May 17 |
| Spinach | Sow outdoors (fall) | Jul 16 – Aug 20 |
| Radishes | Sow outdoors (spring) | Apr 10 – May 31 |
| Radishes | Sow outdoors (fall) | Jun 29 – Aug 30 |
| Kale | Sow outdoors (spring) | Apr 27 – May 17 |
| Kale | Sow outdoors (fall) | Jun 22 – Jul 30 |
| Carrots | Sow outdoors (spring) | May 11 – Jun 26 |
| Carrots | Sow outdoors (fall) | May 30 – Jul 15 |
| Garlic | Plant outdoors (fall) | Sep 29 – Oct 30 |
Where these dates come from
ZIP code 13859 is matched to the NOAA station E Sidney, NY, 4.5 km away, at 1,155 ft elevation (20 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| E Sidney, NY (used) | 1,155 ft | May 11 | Oct 9 |
| Walton 2, NY | 1,480 ft | May 21 | Oct 1 |
| Emmons, NY | 1,225 ft | May 17 | Oct 3 |
| Norwich, NY | 989 ft | May 13 | Oct 4 |
Frost dates near Wells Bridge
- Otego, NY 13825 · last May 21, first Oct 1
- Franklin, NY 13775 · last May 21, first Oct 1
- Unadilla, NY 13849 · last May 21, first Oct 1
- Gilbertsville, NY 13776 · last May 13, first Oct 4
- Mount Upton, NY 13809 · last May 13, first Oct 4
- Sidney, NY 13838 · last May 13, first Oct 4
- Sidney Center, NY 13839 · last May 21, first Oct 1
- Delancey, NY 13752 · last May 21, first Oct 1
Frequently asked questions
- When is the last frost in Wells Bridge, NY?
- For ZIP code 13859, the average last spring frost (32°F) is May 11, based on NOAA 1991-2020 climate normals for the E Sidney, NY weather station. There is a 1-in-10 chance of a frost after May 26.
- When is the first frost in Wells Bridge, NY?
- The average first fall frost (32°F) is October 9. There is a 1-in-10 chance of frost by September 27, so tender plants are at risk from that point on.
- How long is the growing season in 13859?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 151 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.