USDA Hardiness Zone 7a
Frost Dates for 42211 — Cadiz, Kentucky
NOAA 1991–2020 normals from Kenlake Resort, KY (484 ft), 16 miles west.
Updated
In Cadiz, the last spring frost (32°F) is around March 30 in half of years and has passed by April 16 in nine years out of ten. The first fall frost comes around November 4, as early as October 23 one year in ten, leaving a typical freeze-free season of 221 days (NOAA, Kenlake Resort, KY).
- Last spring frost
- March 30
- First fall frost
- November 4
- Growing season
- 221 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
- January 30
- Last snow
- February 16
- Winters with snow
- 85%
- Snow per year
- 3.9"
median, 1991–2020
median, 1991–2020
17 of 20 observed
NOAA normal
Frost risk by date in Cadiz
Half of springs at Kenlake Resort, KY see their last 32°F night by March 30; only one in ten is past it by March 12, and one in ten still has one after April 16. Planting tender crops after April 6 leaves a 30% risk of a frost on them, after April 9 20%, and after April 16 10%. The 17 days between the even-odds date and the one-in-ten date is narrower than at 47% of the 113 Kentucky stations behind this site's ZIP pages.
In fall the first 32°F night comes by November 4 in half of years, as early as October 23 one year in ten, and holds off past November 21 one year in ten. A hard freeze of 28°F follows 12 days later, around November 16; in spring the one-in-ten date for 28°F is April 6, 10 days before the 32°F one. The freeze-free season lasts 221 days in a typical year, longer than at 97% of the 113 Kentucky stations; it reaches 246 days one year in ten and falls short of 198 one year in ten. On average 76 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 11, and return around October 26. Severe cold of 16°F or below comes in 98% of winters, usually between December 27 and February 8.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Mar 26 | Mar 31 | Apr 4 | Apr 8 | Apr 11 | Apr 14 | Apr 18 | Apr 22 | Apr 28 |
| 32°F | Mar 12 | Mar 17 | Mar 22 | Mar 26 | Mar 30 | Apr 2 | Apr 6 | Apr 9 | Apr 16 |
| 28°F | Feb 26 | Mar 4 | Mar 8 | Mar 12 | Mar 16 | Mar 20 | Mar 24 | Mar 30 | Apr 6 |
| 24°F | Feb 12 | Feb 19 | Feb 25 | Feb 28 | Mar 4 | Mar 7 | Mar 11 | Mar 16 | Mar 23 |
| 20°F | Feb 1 | Feb 6 | Feb 12 | Feb 16 | Feb 21 | Feb 25 | Feb 28 | Mar 4 | Mar 11 |
| 16°F98% of yrs | Jan 15 | Jan 26 | Jan 31 | Feb 3 | Feb 8 | Feb 13 | Feb 18 | Feb 24 | Mar 2 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Oct 15 | Oct 18 | Oct 22 | Oct 24 | Oct 26 | Oct 28 | Oct 31 | Nov 3 | Nov 7 |
| 32°F | Oct 23 | Oct 28 | Oct 31 | Nov 2 | Nov 4 | Nov 8 | Nov 11 | Nov 14 | Nov 21 |
| 28°F | Nov 1 | Nov 5 | Nov 10 | Nov 13 | Nov 16 | Nov 20 | Nov 23 | Nov 28 | Dec 4 |
| 24°F | Nov 11 | Nov 16 | Nov 20 | Nov 25 | Nov 29 | Dec 1 | Dec 5 | Dec 10 | Dec 19 |
| 20°F | Nov 20 | Nov 29 | Dec 2 | Dec 6 | Dec 11 | Dec 17 | Dec 22 | Dec 27 | Jan 2 |
| 16°F98% of yrs | Dec 1 | Dec 8 | Dec 16 | Dec 21 | Dec 27 | Dec 31 | Jan 5 | Jan 12 | Jan 21 |
Freeze probabilities 1991–2020 at Kenlake Resort, KY, 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 42211 →Compare Cadiz with another place →
Weather by month in Cadiz
July is the warmest month at Kenlake Resort, KY, averaging 90°F by day and 70°F at night; January is the coldest at 45°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 44% of years.
Warmth for growing adds up to 4,786 growing degree days a year (base 50°F), more than at 97% of the 113 Kentucky stations. 38% of them (1,828) have built up by the end of June, and July adds the most, 921. Precipitation totals 55.9 inches a year, most in April (5.9") and least in January (3.5"); May to September bring 40% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 45 | 27 | 3.5 | 100% | 22 | 16 |
| Feb | 50 | 31 | 5.5 | 100% | 17 | 36 |
| Mar | 60 | 40 | 5.4 | 96% | 8 | 128 |
| Apr | 71 | 48 | 5.9 | 44% | 1 | 303 |
| May | 79 | 57 | 5.5 | 0% | 0 | 554 |
| Jun | 86 | 67 | 4.9 | 0% | 0 | 790 |
| Jul | 90 | 70 | 4.5 | 0% | 0 | 921 |
| Aug | 90 | 69 | 3.6 | 0% | 0 | 903 |
| Sep | 83 | 62 | 3.8 | 0% | 0 | 669 |
| Oct | 71 | 50 | 3.8 | 32% | <1 | 339 |
| Nov | 59 | 39 | 4.4 | 97% | 9 | 102 |
| Dec | 48 | 32 | 5.1 | 100% | 18 | 26 |
Monthly normals 1991–2020 at Kenlake Resort, KY (484 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, Eddyville 5S, KY, 18 miles northwest of Cadiz, has a last frost 3 days earlier (March 27), a first frost 4 days later (November 8), a season 4 days longer.
When it snows in Cadiz, Kentucky
The first measurable snow (0.1 inch or more) in Cadiz usually arrives around January 30, and the last of the season around February 16. Those are the middle dates across the winters of 1991–2020 at Cadiz, KY, 1.7 miles away: half of years saw snow earlier, half later. Snow fell in 85% of those winters. The last 32°F night of spring typically comes 42 days after the last snow.
Planting calendar for 42211
| When | What to do |
|---|---|
| January 19 – February 2 | Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out. |
| February 2 – February 16 | Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early. |
| March 2 – March 16 | Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil. |
| March 30 onward | Transplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast. |
| by August 12 | Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops. |
| by October 21 | Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation. |
| November 4 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 42211 is 16 miles from Kenlake Resort, KY, which stands at 484 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 42211 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.
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.