USDA Hardiness Zone 7a
Frost Dates for 37035 — Chapmansboro, Tennessee
NOAA 1991–2020 normals from Cheatham L&D, TN (392 ft), 7 miles southwest.
Updated
In Chapmansboro, the last spring frost (32°F) is around April 9 in half of years and has passed by April 27 in nine years out of ten. The first fall frost comes around November 1, as early as October 20 one year in ten, leaving a typical freeze-free season of 206 days (NOAA, Cheatham L&D, TN).
- Last spring frost
- April 9
- First fall frost
- November 1
- Growing season
- 206 days
- Hardiness zone
- 7a
50% probability
50% probability
freeze-free, 50%
0 to 5°F (-17.8 to -15.0°C) coldest night
- First snow
- Rare
- Last snow
- Rare
- Winters with snow
- 36%
- Snow per year
- 0.5"
median, 1991–2020
median, 1991–2020
8 of 22 observed
NOAA normal
Frost risk by date in Chapmansboro
Half of springs at Cheatham L&D, TN see their last 32°F night by April 9; only one in ten is past it by March 22, and one in ten still has one after April 27. Planting tender crops after April 17 leaves a 30% risk of a frost on them, after April 22 20%, and after April 27 10%. The 18 days between the even-odds date and the one-in-ten date is wider than at 67% of the 144 Tennessee stations behind this site's ZIP pages.
In fall the first 32°F night comes by November 1 in half of years, as early as October 20 one year in ten, and holds off past November 15 one year in ten. A hard freeze of 28°F follows 11 days later, around November 12; in spring the one-in-ten date for 28°F is April 21, 6 days before the 32°F one. The freeze-free season lasts 206 days in a typical year, longer than at 54% of the 144 Tennessee stations; it reaches 228 days one year in ten and falls short of 183 one year in ten. On average 94 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 13 days longer, to about April 22, and return around October 24. Severe cold of 16°F or below comes in 98% of winters, usually between December 25 and February 13.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Apr 5 | Apr 10 | Apr 14 | Apr 19 | Apr 22 | Apr 26 | Apr 29 | May 2 | May 8 |
| 32°F | Mar 22 | Mar 28 | Apr 1 | Apr 5 | Apr 9 | Apr 13 | Apr 17 | Apr 22 | Apr 27 |
| 28°F | Mar 8 | Mar 15 | Mar 20 | Mar 24 | Mar 29 | Apr 1 | Apr 6 | Apr 12 | Apr 21 |
| 24°F | Feb 23 | Mar 1 | Mar 6 | Mar 12 | Mar 16 | Mar 20 | Mar 25 | Apr 1 | Apr 10 |
| 20°F | Feb 3 | Feb 11 | Feb 19 | Feb 24 | Feb 28 | Mar 4 | Mar 9 | Mar 15 | Mar 25 |
| 16°F98% of yrs | Jan 19 | Jan 28 | Feb 2 | Feb 8 | Feb 13 | Feb 19 | Feb 25 | Mar 1 | Mar 9 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Oct 10 | Oct 15 | Oct 18 | Oct 21 | Oct 24 | Oct 26 | Oct 28 | Oct 31 | Nov 4 |
| 32°F | Oct 20 | Oct 24 | Oct 27 | Oct 30 | Nov 1 | Nov 3 | Nov 5 | Nov 9 | Nov 15 |
| 28°F | Oct 31 | Nov 2 | Nov 5 | Nov 8 | Nov 12 | Nov 15 | Nov 19 | Nov 24 | Nov 30 |
| 24°F | Nov 7 | Nov 12 | Nov 17 | Nov 20 | Nov 25 | Nov 28 | Dec 1 | Dec 6 | Dec 13 |
| 20°F | Nov 17 | Nov 24 | Nov 30 | Dec 2 | Dec 6 | Dec 10 | Dec 16 | Dec 23 | Jan 1 |
| 16°F98% of yrs | Nov 30 | Dec 5 | Dec 12 | Dec 20 | Dec 25 | Dec 30 | Jan 3 | Jan 9 | Jan 19 |
Freeze probabilities 1991–2020 at Cheatham L&D, TN, 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 37035 →Compare Chapmansboro with another place →
Weather by month in Chapmansboro
July is the warmest month at Cheatham L&D, TN, averaging 89°F by day and 68°F at night; January is the coldest at 48°F and 28°F. A freezing night is all but certain in every month from November to March (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 71% of years.
Warmth for growing adds up to 4,504 growing degree days a year (base 50°F), more than at 55% of the 144 Tennessee stations. 37% of them (1,668) have built up by the end of June, and July adds the most, 883. Precipitation totals 51.3 inches a year, most in May (5.6") and least in August (3.3"); May to September bring 41% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 48 | 28 | 3.8 | 100% | 22 | 20 |
| Feb | 53 | 30 | 4.6 | 100% | 19 | 36 |
| Mar | 61 | 37 | 4.5 | 98% | 13 | 109 |
| Apr | 70 | 44 | 4.7 | 71% | 4 | 250 |
| May | 78 | 55 | 5.6 | 3% | <1 | 513 |
| Jun | 86 | 64 | 4.4 | 0% | 0 | 739 |
| Jul | 89 | 68 | 4.0 | 0% | 0 | 883 |
| Aug | 89 | 66 | 3.3 | 0% | 0 | 857 |
| Sep | 83 | 60 | 3.8 | 0% | 0 | 639 |
| Oct | 73 | 47 | 3.8 | 48% | 3 | 328 |
| Nov | 60 | 37 | 3.9 | 99% | 13 | 97 |
| Dec | 51 | 31 | 4.9 | 100% | 20 | 32 |
Monthly normals 1991–2020 at Cheatham L&D, TN (392 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, Clarksville No.2, TN, 14 miles northwest of Chapmansboro, has a last frost 1 day later (April 10), a first frost 2 days earlier (October 30), a season 3 days shorter.
When it snows in Chapmansboro, Tennessee
Measurable snow is rare here: only 8 of 22 winters from 1991 to 2020 recorded 0.1 inch or more at Clarksville Wwtp, TN, 15.7 miles away, so there is no typical first-snow date to plan around.
Planting calendar for 37035
| When | What to do |
|---|---|
| January 29 – February 12 | Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out. |
| February 12 – February 26 | Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early. |
| March 12 – March 26 | Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil. |
| April 9 onward | Transplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast. |
| by August 9 | Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops. |
| by October 18 | Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation. |
| November 1 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 37035 is 7 miles from Cheatham L&D, TN, which stands at 392 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 37015 (Ashland City). The 2023 USDA Plant Hardiness Zone Map lists ZIP 37035 in zone 7a, the band where the coldest night of the year averaged 0 to 5°F (-17.8 to -15.0°C) over 1991–2020; a zone describes winter lows, not frost dates.
Frost dates across Tennessee →
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.