USDA Hardiness Zone 7b
Frost Dates for 37097 — Lobelville, Tennessee
NOAA 1991–2020 normals from Lobelville, TN (445 ft), 1 miles south.
Updated
In Lobelville, the last spring frost (32°F) is around April 13 in half of years and has passed by April 28 in nine years out of ten. The first fall frost comes around October 24, as early as October 13 one year in ten, leaving a typical freeze-free season of 195 days (NOAA, Lobelville, TN).
- Last spring frost
- April 13
- First fall frost
- October 24
- Growing season
- 195 days
- Hardiness zone
- 7b
50% probability
50% probability
freeze-free, 50%
5 to 10°F (-15.0 to -12.2°C) coldest night
- First snow
- Rare
- Last snow
- Rare
- Winters with snow
- 43%
- Snow per year
- 2.1"
median, 1991–2020
median, 1991–2020
9 of 21 observed
NOAA normal
Frost risk by date in Lobelville
Half of springs at Lobelville, TN see their last 32°F night by April 13; only one in ten is past it by March 28, and one in ten still has one after April 28. Planting tender crops after April 20 leaves a 30% risk of a frost on them, after April 24 20%, and after April 28 10%. The 15 days between the even-odds date and the one-in-ten date is narrower than at 78% of the 144 Tennessee 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 13 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 17, 11 days before the 32°F one. The freeze-free season lasts 195 days in a typical year, shorter than at 71% of the 144 Tennessee stations; it reaches 216 days one year in ten and falls short of 176 one year in ten. On average 90 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 12 days longer, to about April 25, and return around October 16. Severe cold of 16°F or below comes in 99% of winters, usually between December 14 and February 19.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Apr 9 | Apr 14 | Apr 19 | Apr 22 | Apr 25 | Apr 28 | Apr 30 | May 3 | May 9 |
| 32°F | Mar 28 | Apr 3 | Apr 6 | Apr 10 | Apr 13 | Apr 16 | Apr 20 | Apr 24 | Apr 28 |
| 28°F | Mar 15 | Mar 21 | Mar 26 | Mar 30 | Apr 2 | Apr 4 | Apr 7 | Apr 11 | Apr 17 |
| 24°F | Feb 26 | Mar 6 | Mar 11 | Mar 15 | Mar 18 | Mar 22 | Mar 26 | Mar 31 | Apr 4 |
| 20°F | Feb 11 | Feb 19 | Feb 24 | Feb 28 | Mar 3 | Mar 7 | Mar 12 | Mar 17 | Mar 23 |
| 16°F99% of yrs | Jan 23 | Feb 1 | Feb 7 | Feb 13 | Feb 19 | Feb 23 | Feb 28 | Mar 5 | Mar 13 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Oct 4 | Oct 8 | Oct 10 | Oct 13 | Oct 16 | Oct 19 | Oct 21 | Oct 24 | Oct 28 |
| 32°F | Oct 13 | Oct 17 | Oct 20 | Oct 21 | Oct 24 | Oct 26 | Oct 29 | Nov 1 | Nov 5 |
| 28°F | Oct 21 | Oct 25 | Oct 29 | Oct 31 | Nov 2 | Nov 5 | Nov 8 | Nov 12 | Nov 17 |
| 24°F | Nov 1 | Nov 4 | Nov 7 | Nov 10 | Nov 13 | Nov 16 | Nov 20 | Nov 26 | Dec 3 |
| 20°F | Nov 8 | Nov 14 | Nov 17 | Nov 22 | Nov 26 | Dec 1 | Dec 5 | Dec 12 | Dec 25 |
| 16°F99% of yrs | Nov 18 | Nov 26 | Dec 2 | Dec 8 | Dec 14 | Dec 23 | Dec 30 | Jan 5 | Jan 15 |
Freeze probabilities 1991–2020 at Lobelville, 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 37097 →Compare Lobelville with another place →
Weather by month in Lobelville
July is the warmest month at Lobelville, TN, averaging 89°F by day and 67°F at night; January is the coldest at 49°F and 26°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 84% of years.
Warmth for growing adds up to 4,384 growing degree days a year (base 50°F), fewer than at 59% of the 144 Tennessee stations. 38% of them (1,667) have built up by the end of June, and July adds the most, 865. Precipitation totals 57.2 inches a year, most in February (5.9") and least in August (3.6"); May to September bring 40% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 49 | 26 | 4.4 | 100% | 22 | 23 |
| Feb | 54 | 29 | 5.9 | 100% | 17 | 34 |
| Mar | 63 | 35 | 5.1 | 100% | 12 | 109 |
| Apr | 73 | 44 | 5.5 | 84% | 3 | 271 |
| May | 79 | 54 | 5.5 | 4% | 0 | 511 |
| Jun | 86 | 62 | 4.2 | 0% | 0 | 720 |
| Jul | 89 | 67 | 5.2 | 0% | 0 | 865 |
| Aug | 89 | 65 | 3.6 | 0% | 0 | 829 |
| Sep | 83 | 57 | 4.2 | 0% | 0 | 605 |
| Oct | 74 | 45 | 4.6 | 78% | 3 | 302 |
| Nov | 62 | 34 | 3.7 | 100% | 13 | 80 |
| Dec | 53 | 30 | 5.3 | 100% | 20 | 36 |
Monthly normals 1991–2020 at Lobelville, TN (445 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, Linden Wtp, TN, 12 miles south of Lobelville, has a last frost 1 day earlier (April 12), a first frost 1 day later (October 25), a season 2 days longer.
When it snows in Lobelville, Tennessee
Measurable snow is rare here: only 9 of 21 winters from 1991 to 2020 recorded 0.1 inch or more at Linden Wtp, TN, 11.6 miles away, so there is no typical first-snow date to plan around.
Planting calendar for 37097
| When | What to do |
|---|---|
| February 2 – February 16 | Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out. |
| February 16 – March 2 | Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early. |
| March 16 – March 30 | Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil. |
| April 13 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 37097 is 1 mile from Lobelville, TN, which stands at 445 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 37097 in zone 7b, the band where the coldest night of the year averaged 5 to 10°F (-15.0 to -12.2°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.