USDA Hardiness Zone 7b
Frost Dates for 37082 — Kingston Springs, Tennessee
NOAA 1991–2020 normals from Kingston Springs, TN (517 ft), 1 miles north.
Updated
In Kingston Springs, the last spring frost (32°F) is around April 13 in half of years and has passed by April 30 in nine years out of ten. The first fall frost comes around October 25, as early as October 12 one year in ten, leaving a typical freeze-free season of 195 days (NOAA, Kingston Springs, TN).
- Last spring frost
- April 13
- First fall frost
- October 25
- 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
- January 20
- Last snow
- February 18
- Winters with snow
- 67%
- Snow per year
- 1.4"
median, 1991–2020
median, 1991–2020
14 of 21 observed
NOAA normal
Frost risk by date in Kingston Springs
Half of springs at Kingston Springs, TN see their last 32°F night by April 13; only one in ten is past it by March 27, and one in ten still has one after April 30. Planting tender crops after April 20 leaves a 30% risk of a frost on them, after April 24 20%, and after April 30 10%. The 17 days between the even-odds date and the one-in-ten date is narrower than at 34% of the 144 Tennessee stations behind this site's ZIP pages.
In fall the first 32°F night comes by October 25 in half of years, as early as October 12 one year in ten, and holds off past November 7 one year in ten. A hard freeze of 28°F follows 10 days later, around November 4; in spring the one-in-ten date for 28°F is April 16, 14 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 215 days one year in ten and falls short of 174 one year in ten. On average 96 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 April 24, and return around October 16. Severe cold of 16°F or below comes every winter, usually between December 12 and February 17.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Apr 9 | Apr 14 | Apr 18 | Apr 21 | Apr 24 | Apr 27 | Apr 30 | May 4 | May 9 |
| 32°F | Mar 27 | Apr 1 | Apr 6 | Apr 10 | Apr 13 | Apr 16 | Apr 20 | Apr 24 | Apr 30 |
| 28°F | Mar 15 | Mar 21 | Mar 26 | Mar 29 | Apr 1 | Apr 4 | Apr 7 | Apr 11 | Apr 16 |
| 24°F | Feb 26 | Mar 5 | Mar 10 | Mar 15 | Mar 19 | Mar 22 | Mar 27 | Mar 31 | Apr 4 |
| 20°F | Feb 7 | Feb 15 | Feb 22 | Feb 27 | Mar 3 | Mar 7 | Mar 11 | Mar 17 | Mar 24 |
| 16°F | Jan 21 | Jan 31 | Feb 5 | Feb 11 | Feb 17 | Feb 23 | Feb 28 | Mar 4 | Mar 11 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Oct 3 | Oct 7 | Oct 11 | Oct 14 | Oct 16 | Oct 20 | Oct 22 | Oct 25 | Oct 30 |
| 32°F | Oct 12 | Oct 17 | Oct 20 | Oct 23 | Oct 25 | Oct 28 | Oct 31 | Nov 2 | Nov 7 |
| 28°F | Oct 22 | Oct 26 | Oct 30 | Nov 1 | Nov 4 | Nov 6 | Nov 9 | Nov 13 | Nov 19 |
| 24°F | Nov 1 | Nov 4 | Nov 8 | Nov 11 | Nov 15 | Nov 18 | Nov 22 | Nov 27 | Dec 3 |
| 20°F | Nov 8 | Nov 14 | Nov 19 | Nov 24 | Nov 28 | Dec 1 | Dec 5 | Dec 10 | Dec 20 |
| 16°F | Nov 21 | Nov 29 | Dec 3 | Dec 7 | Dec 12 | Dec 19 | Dec 25 | Jan 1 | Jan 9 |
Freeze probabilities 1991–2020 at Kingston Springs, 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 37082 →Compare Kingston Springs with another place →
Weather by month in Kingston Springs
July is the warmest month at Kingston Springs, TN, averaging 91°F by day and 67°F at night; January is the coldest at 50°F and 27°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 79% of years.
Warmth for growing adds up to 4,643 growing degree days a year (base 50°F), more than at 69% of the 144 Tennessee stations. 38% of them (1,773) have built up by the end of June, and July adds the most, 899. Precipitation totals 50.5 inches a year, most in May (5.4") and least in August (3.3"); May to September bring 42% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 50 | 27 | 3.9 | 100% | 22 | 25 |
| Feb | 54 | 29 | 4.2 | 100% | 19 | 34 |
| Mar | 63 | 36 | 4.8 | 99% | 13 | 124 |
| Apr | 73 | 44 | 4.8 | 79% | 4 | 290 |
| May | 81 | 54 | 5.4 | 8% | 0 | 541 |
| Jun | 88 | 63 | 4.0 | 0% | 0 | 759 |
| Jul | 91 | 67 | 4.4 | 0% | 0 | 899 |
| Aug | 91 | 65 | 3.3 | 0% | 0 | 869 |
| Sep | 85 | 58 | 3.9 | 1% | 0 | 645 |
| Oct | 75 | 45 | 3.4 | 72% | 3 | 324 |
| Nov | 63 | 35 | 3.6 | 100% | 15 | 100 |
| Dec | 53 | 29 | 4.8 | 100% | 20 | 34 |
Monthly normals 1991–2020 at Kingston Springs, TN (517 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, Charlotte, TN, 7 miles northwest of Kingston Springs and 177 feet higher, has a last frost 2 days earlier (April 11), a first frost 1 day later (October 26), a season 3 days longer.
When it snows in Kingston Springs, Tennessee
The first measurable snow (0.1 inch or more) in Kingston Springs usually arrives around January 20, and the last of the season around February 18. Those are the middle dates across the winters of 1991–2020 at Kingston Springs, TN, 1.3 miles away: half of years saw snow earlier, half later. Snow fell in 67% of those winters. The last 32°F night of spring typically comes 54 days after the last snow.
Planting calendar for 37082
| 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 2 | Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops. |
| by October 11 | Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation. |
| October 25 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 37082 is 1 mile from Kingston Springs, TN, which stands at 517 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 1 other ZIP code shares the station. The 2023 USDA Plant Hardiness Zone Map lists ZIP 37082 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.