USDA Hardiness Zone 6a
Frost Dates for 43340 — Mount Victory, Ohio
NOAA 1991–2020 normals from Kenton, OH (997 ft), 9 miles northwest.
Updated
In Mount Victory, the last spring frost (32°F) is around April 22 in half of years and has passed by May 7 in nine years out of ten. The first fall frost comes around October 24, as early as October 9 one year in ten, leaving a typical freeze-free season of 182 days (NOAA, Kenton, OH).
- Last spring frost
- April 22
- First fall frost
- October 24
- Growing season
- 182 days
- Hardiness zone
- 6a
50% probability
50% probability
freeze-free, 50%
-10 to -5°F (-23.3 to -20.6°C) coldest night
- First snow
- December 4
- Last snow
- March 19
- Winters with snow
- 94%
- Snow per year
- 25.8"
median, 1991–2020
median, 1991–2020
17 of 18 observed
NOAA normal
Frost risk by date in Mount Victory
Half of springs at Kenton, OH see their last 32°F night by April 22; only one in ten is past it by April 9, and one in ten still has one after May 7. Planting tender crops after April 29 leaves a 30% risk of a frost on them, after May 2 20%, and after May 7 10%. The 15 days between the even-odds date and the one-in-ten date is narrower than at 77% 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 9 one year in ten, and holds off past November 6 one year in ten. A hard freeze of 28°F follows 10 days later, around November 3; in spring the one-in-ten date for 28°F is April 26, 11 days before the 32°F one. The freeze-free season lasts 182 days in a typical year, longer than at 55% of the 148 Ohio stations; it reaches 201 days one year in ten and falls short of 161 one year in ten. On average 124 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 11 days longer, to about May 3, and return around October 12. Severe cold of 16°F or below comes every winter, usually between December 6 and March 12.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Apr 19 | Apr 23 | Apr 28 | May 1 | May 3 | May 6 | May 9 | May 12 | May 18 |
| 32°F | Apr 9 | Apr 13 | Apr 16 | Apr 19 | Apr 22 | Apr 25 | Apr 29 | May 2 | May 7 |
| 28°F | Mar 28 | Apr 1 | Apr 4 | Apr 7 | Apr 10 | Apr 14 | Apr 17 | Apr 20 | Apr 26 |
| 24°F | Mar 17 | Mar 21 | Mar 25 | Mar 29 | Mar 31 | Apr 2 | Apr 4 | Apr 8 | Apr 14 |
| 20°F | Mar 5 | Mar 11 | Mar 15 | Mar 19 | Mar 22 | Mar 25 | Mar 29 | Mar 31 | Apr 5 |
| 16°F | Feb 23 | Feb 28 | Mar 6 | Mar 9 | Mar 12 | Mar 15 | Mar 18 | Mar 23 | Mar 29 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Sep 28 | Oct 3 | Oct 6 | Oct 9 | Oct 12 | Oct 14 | Oct 17 | Oct 20 | Oct 25 |
| 32°F | Oct 9 | Oct 15 | Oct 18 | Oct 20 | Oct 24 | Oct 26 | Oct 30 | Nov 1 | Nov 6 |
| 28°F | Oct 21 | Oct 26 | Oct 30 | Nov 1 | Nov 3 | Nov 6 | Nov 9 | Nov 12 | Nov 17 |
| 24°F | Nov 2 | Nov 5 | Nov 8 | Nov 10 | Nov 14 | Nov 17 | Nov 22 | Nov 27 | Dec 2 |
| 20°F | Nov 7 | Nov 12 | Nov 16 | Nov 21 | Nov 26 | Nov 30 | Dec 3 | Dec 7 | Dec 14 |
| 16°F | Nov 15 | Nov 22 | Nov 28 | Dec 1 | Dec 6 | Dec 10 | Dec 14 | Dec 20 | Dec 26 |
Freeze probabilities 1991–2020 at Kenton, 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 43340 →Compare Mount Victory with another place →
Weather by month in Mount Victory
July is the warmest month at Kenton, OH, averaging 84°F by day and 64°F at night; January is the coldest at 33°F and 18°F. A freezing night is all but certain in every month from November to April (a 90% chance or more). From June to September the chance of a 32°F night stays under 10% each month. In spring, May still brings one in 26% of years.
Warmth for growing adds up to 3,219 growing degree days a year (base 50°F), fewer than at 51% of the 148 Ohio stations. 35% of them (1,116) have built up by the end of June, and July adds the most, 744. Precipitation totals 37.7 inches a year, most in June (3.9") and least in January (2.6"); May to September bring 47% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 33 | 18 | 2.6 | 100% | 27 | 1 |
| Feb | 36 | 21 | 2.6 | 100% | 25 | 3 |
| Mar | 47 | 29 | 2.8 | 100% | 21 | 28 |
| Apr | 60 | 39 | 3.7 | 98% | 6 | 120 |
| May | 72 | 50 | 3.7 | 26% | <1 | 349 |
| Jun | 81 | 60 | 3.9 | 0% | 0 | 615 |
| Jul | 84 | 64 | 3.4 | 0% | 0 | 744 |
| Aug | 83 | 62 | 3.6 | 0% | 0 | 690 |
| Sep | 77 | 54 | 3.1 | 2% | <1 | 465 |
| Oct | 64 | 43 | 2.6 | 75% | 4 | 169 |
| Nov | 50 | 33 | 2.9 | 100% | 15 | 32 |
| Dec | 38 | 24 | 2.8 | 100% | 26 | 4 |
Monthly normals 1991–2020 at Kenton, OH (997 ft), NOAA NCEI. "32°F night": chance of at least one in the month. GDD: growing degree days, base 50°F.
Compared with the next station
The nearest other station, Huntsville 3N, OH, 17 miles west of Mount Victory, has the same 50% last-frost date, a first frost 3 days later (October 27), a season 6 days longer.
When it snows in Mount Victory, Ohio
The first measurable snow (0.1 inch or more) in Mount Victory usually arrives around December 4, and the last of the season around March 19. Those are the middle dates across the winters of 1991–2020 at Kenton, OH, 9.2 miles away: half of years saw snow earlier, half later. Snow fell in 94% of those winters. The last 32°F night of spring typically comes 34 days after the last snow.
Planting calendar for 43340
| When | What to do |
|---|---|
| February 11 – February 25 | Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out. |
| February 25 – March 11 | Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early. |
| March 25 – April 8 | Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil. |
| April 22 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 43340 is 9 miles from Kenton, OH, which stands at 997 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 43326 (Kenton). The 2023 USDA Plant Hardiness Zone Map lists ZIP 43340 in zone 6a, the band where the coldest night of the year averaged -10 to -5°F (-23.3 to -20.6°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.