USDA Hardiness Zone 8a
Frost Dates for 38040 — Halls, Tennessee
NOAA 1991–2020 normals from Dyersburg, TN (300 ft), 8 miles north.
Updated
In Halls, the last spring frost (32°F) is around March 31 in half of years and has passed by April 14 in nine years out of ten. The first fall frost comes around November 6, as early as October 23 one year in ten, leaving a typical freeze-free season of 224 days (NOAA, Dyersburg, TN).
- Last spring frost
- March 31
- First fall frost
- November 6
- Growing season
- 224 days
- Hardiness zone
- 8a
50% probability
50% probability
freeze-free, 50%
10 to 15°F (-12.2 to -9.4°C) coldest night
- First snow
- January 10
- Last snow
- February 10
- Winters with snow
- 65%
- Snow per year
- —
median, 1991–2020
median, 1991–2020
15 of 23 observed
NOAA normal
Frost risk by date in Halls
Half of springs at Dyersburg, TN see their last 32°F night by March 31; only one in ten is past it by March 12, and one in ten still has one after April 14. Planting tender crops after April 5 leaves a 30% risk of a frost on them, after April 8 20%, and after April 14 10%. The 14 days between the even-odds date and the one-in-ten date is narrower than at 95% of the 144 Tennessee stations behind this site's ZIP pages.
In fall the first 32°F night comes by November 6 in half of years, as early as October 23 one year in ten, and holds off past November 24 one year in ten. A hard freeze of 28°F follows 14 days later, around November 20; in spring the one-in-ten date for 28°F is April 3, 11 days before the 32°F one. The freeze-free season lasts 224 days in a typical year, longer than at 96% of the 144 Tennessee stations; it reaches 247 days one year in ten and falls short of 201 one year in ten. On average 75 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 April 10, and return around October 26. Severe cold of 16°F or below comes in 94% of winters, usually between January 1 and February 3.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Mar 25 | Apr 2 | Apr 5 | Apr 7 | Apr 10 | Apr 13 | Apr 16 | Apr 20 | Apr 26 |
| 32°F | Mar 12 | Mar 19 | Mar 23 | Mar 27 | Mar 31 | Apr 3 | Apr 5 | Apr 8 | Apr 14 |
| 28°F | Feb 28 | Mar 4 | Mar 8 | Mar 13 | Mar 17 | Mar 20 | Mar 24 | Mar 29 | Apr 3 |
| 24°F | Feb 8 | Feb 16 | Feb 23 | Feb 28 | Mar 4 | Mar 8 | Mar 12 | Mar 17 | Mar 21 |
| 20°F | Jan 22 | Jan 31 | Feb 6 | Feb 12 | Feb 19 | Feb 25 | Mar 1 | Mar 6 | Mar 13 |
| 16°F94% of yrs | Jan 8 | Jan 16 | Jan 25 | Jan 30 | Feb 3 | Feb 8 | Feb 16 | Feb 24 | Mar 5 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Oct 13 | Oct 17 | Oct 20 | Oct 23 | Oct 26 | Oct 28 | Oct 31 | Nov 3 | Nov 8 |
| 32°F | Oct 23 | Oct 28 | Oct 31 | Nov 3 | Nov 6 | Nov 10 | Nov 13 | Nov 19 | Nov 24 |
| 28°F | Nov 2 | Nov 7 | Nov 12 | Nov 17 | Nov 20 | Nov 24 | Nov 29 | Dec 3 | Dec 9 |
| 24°F | Nov 13 | Nov 20 | Nov 25 | Nov 30 | Dec 2 | Dec 6 | Dec 11 | Dec 18 | Dec 25 |
| 20°F | Nov 25 | Dec 1 | Dec 6 | Dec 12 | Dec 18 | Dec 23 | Dec 28 | Jan 2 | Jan 10 |
| 16°F94% of yrs | Dec 9 | Dec 16 | Dec 23 | Dec 29 | Jan 1 | Jan 5 | Jan 10 | Jan 17 | Jan 28 |
Freeze probabilities 1991–2020 at Dyersburg, 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 38040 →Compare Halls with another place →
Compared with the next station
The nearest other station, Dyersburg Iii Golf, TN, 8 miles north of Halls, has a last frost 3 days earlier (March 28), a first frost 4 days earlier (November 2), a season 3 days shorter.
When it snows in Halls, Tennessee
The first measurable snow (0.1 inch or more) in Halls usually arrives around January 10, and the last of the season around February 10. Those are the middle dates across the winters of 1991–2020 at Dyersburg Iii Golf, TN, 8.4 miles away: half of years saw snow earlier, half later. Snow fell in 65% of those winters. The last 32°F night of spring typically comes 49 days after the last snow.
Planting calendar for 38040
| When | What to do |
|---|---|
| January 20 – February 3 | Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out. |
| February 3 – February 17 | Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early. |
| March 3 – March 17 | Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil. |
| March 31 onward | Transplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast. |
| by August 14 | Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops. |
| by October 23 | Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation. |
| November 6 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 38040 is 8 miles from Dyersburg, TN, which stands at 300 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 38040 in zone 8a, the band where the coldest night of the year averaged 10 to 15°F (-12.2 to -9.4°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.