Frost dates for 43930Hammondsville, OH
The average last spring frost in Hammondsville is May 2 and the average first fall frost is October 13, giving a typical growing season of about 165 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 2
- Average first fall frost
- Oct 13
- Growing season
- 165 days
Safer after May 20 (1-in-10 risk)
Possible by Oct 1 (1-in-10 risk)
Last frost typically in 182 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 27 · May 14 · May 28 | Sep 21 · Oct 4 · Oct 17 | 142 days | 100% |
| Frost / freeze (32°F) | Apr 18 · May 2 · May 20 | Oct 1 · Oct 13 · Oct 29 | 165 days | 100% |
| Hard freeze (28°F) | Apr 4 · Apr 20 · May 9 | Oct 9 · Oct 26 · Nov 10 | 187 days | 100% |
Planting calendar for Hammondsville
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 1 – Jun 7 |
| Tomatoes | Transplant outdoors | May 18 – Jun 23 |
| Peppers | Start seeds indoors | Apr 1 – May 2 |
| Peppers | Transplant outdoors | Jun 1 – Jul 2 |
| Eggplant | Start seeds indoors | Apr 18 – May 17 |
| Eggplant | Transplant outdoors | Jun 1 – Jul 2 |
| Cucumbers | Sow outdoors | Jun 1 – Jul 3 |
| Summer squash | Sow outdoors | May 18 – Jul 2 |
| Winter squash & pumpkins | Sow outdoors | Jun 1 – Jul 2 |
| Snap beans | Sow outdoors | May 18 – Jul 26 |
| Sweet corn | Sow outdoors | May 18 – Jun 23 |
| Watermelon & cantaloupe | Sow outdoors | Jun 1 – Jul 2 |
| Okra | Sow outdoors | May 25 – Jun 17 |
| Peas | Sow outdoors (spring) | Apr 1 – May 17 |
| Potatoes | Plant outdoors (spring) | Apr 1 – Jun 1 |
| Onions | Start seeds indoors (spring) | Feb 18 – Mar 17 |
| Onions | Transplant outdoors (spring) | Apr 18 – May 17 |
| Broccoli | Start seeds indoors (spring) | Mar 14 – Apr 17 |
| Broccoli | Transplant outdoors (spring) | Apr 18 – May 17 |
| Broccoli | Start seeds indoors (fall) | Jun 13 – Jun 23 |
| Broccoli | Transplant outdoors (fall) | Jul 13 – Jul 24 |
| Cabbage | Start seeds indoors (spring) | Mar 4 – Apr 1 |
| Cabbage | Transplant outdoors (spring) | Apr 1 – May 2 |
| Cabbage | Start seeds indoors (fall) | Jun 3 – Jul 3 |
| Cabbage | Transplant outdoors (fall) | Jul 3 – Aug 3 |
| Leaf lettuce | Sow outdoors (spring) | Apr 1 – Jun 17 |
| Leaf lettuce | Sow outdoors (fall) | Jul 3 – Aug 19 |
| Spinach | Sow outdoors (spring) | Mar 25 – May 8 |
| Spinach | Sow outdoors (fall) | Jul 20 – Aug 24 |
| Radishes | Sow outdoors (spring) | Apr 1 – May 22 |
| Radishes | Sow outdoors (fall) | Jul 3 – Sep 3 |
| Kale | Sow outdoors (spring) | Apr 18 – May 8 |
| Kale | Sow outdoors (fall) | Jun 26 – Aug 3 |
| Carrots | Sow outdoors (spring) | May 2 – Jun 17 |
| Carrots | Sow outdoors (fall) | Jun 3 – Jul 19 |
| Garlic | Plant outdoors (fall) | Oct 3 – Nov 3 |
Where these dates come from
ZIP code 43930 is matched to the NOAA station Millport 4 Ne, OH, 23.7 km away, at 1,170 ft elevation (18 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Millport 4 Ne, OH (used) | 1,170 ft | May 2 | Oct 13 |
| New Cumberland L/D, WV | 675 ft | Apr 22 | Oct 28 |
| Steubenville, OH | 992 ft | Apr 29 | Oct 20 |
| Montgomery L&D, PA | 690 ft | Apr 28 | Oct 26 |
Frost dates near Hammondsville
- Irondale, OH 43932 · last Apr 29, first Oct 20
- Salineville, OH 43945 · last May 2, first Oct 13
- Wellsville, OH 43968 · last May 2, first Oct 13
- Bergholz, OH 43908 · last Apr 29, first Oct 20
- Stratton, OH 43961 · last Apr 22, first Oct 28
- Empire, OH 43926 · last Apr 22, first Oct 28
- Newell, WV 26050 · last Apr 22, first Oct 28
- East Springfield, OH 43925 · last Apr 29, first Oct 20
Frequently asked questions
- When is the last frost in Hammondsville, OH?
- For ZIP code 43930, the average last spring frost (32°F) is May 2, based on NOAA 1991-2020 climate normals for the Millport 4 Ne, OH weather station. There is a 1-in-10 chance of a frost after May 20.
- When is the first frost in Hammondsville, OH?
- The average first fall frost (32°F) is October 13. There is a 1-in-10 chance of frost by October 1, so tender plants are at risk from that point on.
- How long is the growing season in 43930?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 165 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.