Frost dates for 45055Overpeck, OH
The average last spring frost in Overpeck is April 22 and the average first fall frost is October 18, giving a typical growing season of about 178 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 22
- Average first fall frost
- Oct 18
- Growing season
- 178 days
Safer after May 10 (1-in-10 risk)
Possible by Oct 5 (1-in-10 risk)
Last frost typically in 172 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 18 · May 2 · May 19 | Sep 25 · Oct 7 · Oct 20 | 159 days | 100% |
| Frost / freeze (32°F) | Apr 6 · Apr 22 · May 10 | Oct 5 · Oct 18 · Oct 29 | 178 days | 100% |
| Hard freeze (28°F) | Mar 26 · Apr 8 · Apr 28 | Oct 15 · Oct 27 · Nov 8 | 200 days | 100% |
Planting calendar for Overpeck
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 | Mar 22 – May 28 |
| Tomatoes | Transplant outdoors | May 8 – Jun 28 |
| Peppers | Start seeds indoors | Mar 22 – Apr 22 |
| Peppers | Transplant outdoors | May 22 – Jun 22 |
| Eggplant | Start seeds indoors | Apr 8 – May 7 |
| Eggplant | Transplant outdoors | May 22 – Jun 22 |
| Cucumbers | Sow outdoors | May 22 – Jul 8 |
| Summer squash | Sow outdoors | May 8 – Jun 22 |
| Winter squash & pumpkins | Sow outdoors | May 22 – Jun 22 |
| Snap beans | Sow outdoors | May 8 – Jul 31 |
| Sweet corn | Sow outdoors | May 8 – Jun 28 |
| Watermelon & cantaloupe | Sow outdoors | May 22 – Jun 22 |
| Okra | Sow outdoors | May 15 – Jun 7 |
| Peas | Sow outdoors (spring) | Mar 22 – May 7 |
| Potatoes | Plant outdoors (spring) | Mar 22 – May 22 |
| Onions | Start seeds indoors (spring) | Feb 8 – Mar 7 |
| Onions | Transplant outdoors (spring) | Apr 8 – May 7 |
| Broccoli | Start seeds indoors (spring) | Mar 4 – Apr 7 |
| Broccoli | Transplant outdoors (spring) | Apr 8 – May 7 |
| Broccoli | Start seeds indoors (fall) | Jun 18 – Jun 28 |
| Broccoli | Transplant outdoors (fall) | Jul 18 – Jul 29 |
| Cabbage | Start seeds indoors (spring) | Feb 22 – Mar 22 |
| Cabbage | Transplant outdoors (spring) | Mar 22 – Apr 22 |
| Cabbage | Start seeds indoors (fall) | Jun 8 – Jul 8 |
| Cabbage | Transplant outdoors (fall) | Jul 8 – Aug 8 |
| Leaf lettuce | Sow outdoors (spring) | Mar 22 – Jun 7 |
| Leaf lettuce | Sow outdoors (fall) | Jul 8 – Aug 24 |
| Spinach | Sow outdoors (spring) | Mar 15 – Apr 28 |
| Spinach | Sow outdoors (fall) | Jul 25 – Aug 29 |
| Radishes | Sow outdoors (spring) | Mar 22 – May 12 |
| Radishes | Sow outdoors (fall) | Jul 8 – Sep 8 |
| Kale | Sow outdoors (spring) | Apr 8 – Apr 28 |
| Kale | Sow outdoors (fall) | Jul 1 – Aug 8 |
| Carrots | Sow outdoors (spring) | Apr 22 – Jun 7 |
| Carrots | Sow outdoors (fall) | Jun 8 – Jul 24 |
| Garlic | Plant outdoors (fall) | Oct 8 – Nov 8 |
Where these dates come from
ZIP code 45055 is matched to the NOAA station Hamilton Butler Co Rgnl Ap, OH, 9.8 km away, at 634 ft elevation (4 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Hamilton Butler Co Rgnl Ap, OH (used) | 634 ft | Apr 22 | Oct 18 |
| Fairfield, OH | 575 ft | Apr 19 | Oct 22 |
| Franklin, OH | 679 ft | Apr 24 | Oct 19 |
| Dayton Wright Bros Ap, OH | 962 ft | Apr 17 | Oct 26 |
Frost dates near Overpeck
- Seven Mile, OH 45062 · last Apr 22, first Oct 18
- Hamilton, OH 45011 · last Apr 22, first Oct 18
- Fairfield, OH 45018 · last Apr 22, first Oct 18
- Trenton, OH 45067 · last Apr 22, first Oct 18
- Collinsville, OH 45004 · last Apr 22, first Oct 18
- Middletown, OH 45044 · last Apr 24, first Oct 19
- Monroe, OH 45050 · last Apr 24, first Oct 19
- Somerville, OH 45064 · last Apr 25, first Oct 20
Frequently asked questions
- When is the last frost in Overpeck, OH?
- For ZIP code 45055, the average last spring frost (32°F) is April 22, based on NOAA 1991-2020 climate normals for the Hamilton Butler Co Rgnl Ap, OH weather station. There is a 1-in-10 chance of a frost after May 10.
- When is the first frost in Overpeck, OH?
- The average first fall frost (32°F) is October 18. There is a 1-in-10 chance of frost by October 5, so tender plants are at risk from that point on.
- How long is the growing season in 45055?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 178 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.