USDA Hardiness Zone 6a
Frost Dates for 44402 — Bristolville, Ohio
NOAA 1991–2020 normals from Mosquito Creek Lake, OH (910 ft), 8 miles southeast.
Updated
In Bristolville, the last spring frost (32°F) is around April 30 in half of years and has passed by May 16 in nine years out of ten. The first fall frost comes around October 23, as early as October 7 one year in ten, leaving a typical freeze-free season of 176 days (NOAA, Mosquito Creek Lake, OH).
- Last spring frost
- April 30
- First fall frost
- October 23
- Growing season
- 176 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
- November 24
- Last snow
- April 1
- Winters with snow
- 100%
- Snow per year
- 40.2"
median, 1991–2020
median, 1991–2020
27 of 27 observed
NOAA normal
Frost risk by date in Bristolville
Half of springs at Mosquito Creek Lake, OH see their last 32°F night by April 30; only one in ten is past it by April 16, and one in ten still has one after May 16. Planting tender crops after May 5 leaves a 30% risk of a frost on them, after May 10 20%, and after May 16 10%. The 16 days between the even-odds date and the one-in-ten date is narrower than at 53% of the 148 Ohio stations behind this site's ZIP pages.
In fall the first 32°F night comes by October 23 in half of years, as early as October 7 one year in ten, and holds off past November 7 one year in ten. A hard freeze of 28°F follows 13 days later, around November 5; in spring the one-in-ten date for 28°F is May 2, 14 days before the 32°F one. The freeze-free season lasts 176 days in a typical year, shorter than at 66% of the 148 Ohio stations; it reaches 196 days one year in ten and falls short of 156 one year in ten. On average 133 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 11, and return around October 10. Severe cold of 16°F or below comes every winter, usually between December 11 and March 14.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Apr 26 | Apr 30 | May 3 | May 7 | May 11 | May 14 | May 18 | May 22 | May 27 |
| 32°F | Apr 16 | Apr 20 | Apr 24 | Apr 27 | Apr 30 | May 2 | May 5 | May 10 | May 16 |
| 28°F | Apr 4 | Apr 9 | Apr 13 | Apr 16 | Apr 18 | Apr 20 | Apr 23 | Apr 27 | May 2 |
| 24°F | Mar 19 | Mar 27 | Mar 31 | Apr 3 | Apr 6 | Apr 8 | Apr 12 | Apr 15 | Apr 19 |
| 20°F | Mar 8 | Mar 14 | Mar 19 | Mar 23 | Mar 27 | Mar 31 | Apr 1 | Apr 4 | Apr 9 |
| 16°F | Feb 27 | Mar 4 | Mar 8 | Mar 11 | Mar 14 | Mar 17 | Mar 21 | Mar 26 | Mar 31 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Sep 28 | Oct 1 | Oct 4 | Oct 7 | Oct 10 | Oct 13 | Oct 17 | Oct 20 | Oct 25 |
| 32°F | Oct 7 | Oct 13 | Oct 17 | Oct 20 | Oct 23 | Oct 27 | Oct 31 | Nov 2 | Nov 7 |
| 28°F | Oct 23 | Oct 29 | Nov 1 | Nov 2 | Nov 5 | Nov 8 | Nov 11 | Nov 14 | Nov 20 |
| 24°F | Nov 4 | Nov 9 | Nov 12 | Nov 14 | Nov 17 | Nov 20 | Nov 23 | Nov 28 | Dec 5 |
| 20°F | Nov 12 | Nov 17 | Nov 21 | Nov 25 | Nov 30 | Dec 3 | Dec 6 | Dec 11 | Dec 18 |
| 16°F | Nov 21 | Nov 28 | Dec 2 | Dec 7 | Dec 11 | Dec 15 | Dec 20 | Dec 24 | Dec 30 |
Freeze probabilities 1991–2020 at Mosquito Creek Lake, 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 44402 →Compare Bristolville with another place →
Compared with the next station
The nearest other station, Hiram, OH, 9 miles southwest of Bristolville and 320 feet higher, has a last frost 1 day later (May 1), a first frost 3 days earlier (October 20), a season 6 days shorter.
When it snows in Bristolville, Ohio
The first measurable snow (0.1 inch or more) in Bristolville usually arrives around November 24, and the last of the season around April 1. Those are the middle dates across the winters of 1991–2020 at Mosquito Creek Lake, OH, 8.3 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 29 days after the last snow.
Planting calendar for 44402
| When | What to do |
|---|---|
| February 19 – March 5 | Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out. |
| March 5 – March 19 | Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early. |
| April 2 – April 16 | Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil. |
| April 30 onward | Transplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast. |
| by July 31 | Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops. |
| by October 9 | Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation. |
| October 23 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 44402 is 8 miles from Mosquito Creek Lake, OH, which stands at 910 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 44410 (Cortland). The 2023 USDA Plant Hardiness Zone Map lists ZIP 44402 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.