USDA Hardiness Zone 6b
Frost Dates for 45652 — Mc Dermott, Ohio
NOAA 1991–2020 normals from Lucasville, OH (568 ft), 6 miles northeast.
Updated
In Mc Dermott, the last spring frost (32°F) is around April 21 in half of years and has passed by May 9 in nine years out of ten. The first fall frost comes around October 24, as early as October 11 one year in ten, leaving a typical freeze-free season of 185 days (NOAA, Lucasville, OH).
- Last spring frost
- April 21
- First fall frost
- October 24
- Growing season
- 185 days
- Hardiness zone
- 6b
50% probability
50% probability
freeze-free, 50%
-5 to 0°F (-20.6 to -17.8°C) coldest night
- First snow
- December 22
- Last snow
- February 28
- Winters with snow
- 100%
- Snow per year
- 11.5"
median, 1991–2020
median, 1991–2020
28 of 28 observed
NOAA normal
Frost risk by date in Mc Dermott
Half of springs at Lucasville, OH see their last 32°F night by April 21; only one in ten is past it by April 6, and one in ten still has one after May 9. Planting tender crops after April 28 leaves a 30% risk of a frost on them, after May 2 20%, and after May 9 10%. The 18 days between the even-odds date and the one-in-ten date is wider than at 76% of the 148 Ohio stations behind this site's ZIP pages.
In fall the first 32°F night comes by October 24 in half of years, as early as October 11 one year in ten, and holds off past November 5 one year in ten. A hard freeze of 28°F follows 9 days later, around November 2; in spring the one-in-ten date for 28°F is April 24, 15 days before the 32°F one. The freeze-free season lasts 185 days in a typical year, longer than at 68% of the 148 Ohio stations; it reaches 204 days one year in ten and falls short of 163 one year in ten. On average 109 nights a year drop to 32°F or below. Nights of 36°F, when frost can still settle on leaves in low, open spots, continue 10 days longer, to about May 1, and return around October 15. Severe cold of 16°F or below comes every winter, usually between December 9 and March 2.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Apr 18 | Apr 22 | Apr 25 | Apr 29 | May 1 | May 5 | May 9 | May 12 | May 19 |
| 32°F | Apr 6 | Apr 12 | Apr 15 | Apr 18 | Apr 21 | Apr 24 | Apr 28 | May 2 | May 9 |
| 28°F | Mar 24 | Mar 31 | Apr 2 | Apr 5 | Apr 7 | Apr 11 | Apr 15 | Apr 19 | Apr 24 |
| 24°F | Mar 8 | Mar 17 | Mar 21 | Mar 24 | Mar 28 | Mar 31 | Apr 2 | Apr 5 | Apr 12 |
| 20°F | Feb 23 | Mar 1 | Mar 6 | Mar 10 | Mar 15 | Mar 18 | Mar 22 | Mar 27 | Mar 31 |
| 16°F | Feb 6 | Feb 15 | Feb 21 | Feb 27 | Mar 2 | Mar 6 | Mar 12 | Mar 17 | Mar 22 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Oct 1 | Oct 6 | Oct 9 | Oct 12 | Oct 15 | Oct 17 | Oct 20 | Oct 23 | Oct 27 |
| 32°F | Oct 11 | Oct 16 | Oct 19 | Oct 22 | Oct 24 | Oct 27 | Oct 30 | Nov 1 | Nov 5 |
| 28°F | Oct 20 | Oct 25 | Oct 29 | Nov 1 | Nov 2 | Nov 5 | Nov 7 | Nov 11 | Nov 16 |
| 24°F | Oct 31 | Nov 3 | Nov 6 | Nov 9 | Nov 12 | Nov 15 | Nov 19 | Nov 25 | Dec 1 |
| 20°F | Nov 7 | Nov 12 | Nov 17 | Nov 21 | Nov 26 | Dec 1 | Dec 3 | Dec 8 | Dec 17 |
| 16°F | Nov 17 | Nov 26 | Dec 1 | Dec 5 | Dec 9 | Dec 16 | Dec 21 | Dec 26 | Jan 3 |
Freeze probabilities 1991–2020 at Lucasville, OH, from NOAA NCEI U.S. Climate Normals. Where a temperature is reached in fewer than 99.5% of years, the dates describe only the years that reach it. Not a forecast.
Frost risk on any date in 45652 →Compare Mc Dermott with another place →
Compared with the next station
The nearest other station, Portsmouth-Sciotoville, OH, 11 miles southeast of Mc Dermott, has a last frost 4 days earlier (April 17), a first frost 1 day later (October 25), a season 6 days longer.
When it snows in Mc Dermott, Ohio
The first measurable snow (0.1 inch or more) in Mc Dermott usually arrives around December 22, and the last of the season around February 28. Those are the middle dates across the winters of 1991–2020 at Waverly, OH, 19.9 miles away: half of years saw snow earlier, half later. Every one of those winters saw snow. The last 32°F night of spring typically comes 52 days after the last snow.
Planting calendar for 45652
| When | What to do |
|---|---|
| February 10 – February 24 | Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out. |
| February 24 – March 10 | Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early. |
| March 24 – April 7 | Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil. |
| April 21 onward | Transplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast. |
| by August 1 | Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops. |
| by October 10 | Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation. |
| October 24 onward | Plant garlic, mulch beds, lift tender bulbsGarlic wants a cold spell; bare soil loses structure over winter. |
The weeks before and after the 50% dates are general rules of thumb, not NOAA figures; a seed packet gives the timing for each variety.
Where these figures come from
ZIP 45652 is 6 miles from Lucasville, OH, which stands at 568 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 2 other ZIP codes share the station; its figures are presented in full for 45648 (Lucasville). The 2023 USDA Plant Hardiness Zone Map lists ZIP 45652 in zone 6b, the band where the coldest night of the year averaged -5 to 0°F (-20.6 to -17.8°C) over 1991–2020; a zone describes winter lows, not frost dates.
Hardiness zone and temperature range: USDA Plant Hardiness Zone Map 2023 (USDA-ARS, Oregon State University), ZIP-code listing, unchanged. °C converted from °F by this site.
Thirty-year averages, not a forecast: check the forecast before planting out. How stations are matched and which pages are offered to search engines: methodology.