USDA Hardiness Zone 7b
Frost Dates for 38635 — Holly Springs, Mississippi
NOAA 1991–2020 normals from Holly Springs 4 N, MS (483 ft), 4 miles north.
Updated
In Holly Springs, the last spring frost (32°F) is around April 6 in half of years and has passed by April 23 in nine years out of ten. The first fall frost comes around October 26, as early as October 11 one year in ten, leaving a typical freeze-free season of 204 days (NOAA, Holly Springs 4 N, MS).
- Last spring frost
- April 6
- First fall frost
- October 26
- Growing season
- 204 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 28
- Last snow
- February 6
- Winters with snow
- 76%
- Snow per year
- 2.3"
median, 1991–2020
median, 1991–2020
19 of 25 observed
NOAA normal
Frost risk by date in Holly Springs
Half of springs at Holly Springs 4 N, MS see their last 32°F night by April 6; only one in ten is past it by March 19, and one in ten still has one after April 23. Planting tender crops after April 12 leaves a 30% risk of a frost on them, after April 17 20%, and after April 23 10%. The 17 days between the even-odds date and the one-in-ten date is narrower than at 71% of the 96 Mississippi stations behind this site's ZIP pages.
In fall the first 32°F night comes by October 26 in half of years, as early as October 11 one year in ten, and holds off past November 9 one year in ten. A hard freeze of 28°F follows 10 days later, around November 5; in spring the one-in-ten date for 28°F is April 12, 11 days before the 32°F one. The freeze-free season lasts 204 days in a typical year, shorter than at 97% of the 96 Mississippi stations; it reaches 227 days one year in ten and falls short of 182 one year in ten. On average 82 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 18, and return around October 17. Severe cold of 16°F or below comes in 97% of winters, usually between December 26 and February 6.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Apr 2 | Apr 8 | Apr 11 | Apr 15 | Apr 18 | Apr 21 | Apr 25 | Apr 29 | May 4 |
| 32°F | Mar 19 | Mar 26 | Mar 31 | Apr 4 | Apr 6 | Apr 9 | Apr 12 | Apr 17 | Apr 23 |
| 28°F | Mar 4 | Mar 11 | Mar 16 | Mar 20 | Mar 26 | Mar 31 | Apr 4 | Apr 7 | Apr 12 |
| 24°F | Feb 18 | Feb 25 | Mar 1 | Mar 6 | Mar 10 | Mar 14 | Mar 18 | Mar 24 | Apr 2 |
| 20°F | Jan 27 | Feb 4 | Feb 12 | Feb 19 | Feb 24 | Feb 28 | Mar 4 | Mar 10 | Mar 16 |
| 16°F97% of yrs | Jan 11 | Jan 20 | Jan 27 | Feb 1 | Feb 6 | Feb 13 | Feb 20 | Feb 27 | Mar 5 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Oct 4 | Oct 7 | Oct 11 | Oct 14 | Oct 17 | Oct 20 | Oct 23 | Oct 25 | Oct 30 |
| 32°F | Oct 11 | Oct 17 | Oct 21 | Oct 24 | Oct 26 | Oct 29 | Nov 1 | Nov 4 | Nov 9 |
| 28°F | Oct 22 | Oct 28 | Oct 31 | Nov 2 | Nov 5 | Nov 8 | Nov 12 | Nov 18 | Nov 26 |
| 24°F | Nov 1 | Nov 5 | Nov 10 | Nov 15 | Nov 19 | Nov 24 | Nov 29 | Dec 3 | Dec 11 |
| 20°F | Nov 10 | Nov 18 | Nov 25 | Nov 30 | Dec 4 | Dec 9 | Dec 16 | Dec 23 | Dec 31 |
| 16°F97% of yrs | Nov 27 | Dec 5 | Dec 13 | Dec 21 | Dec 26 | Dec 31 | Jan 4 | Jan 11 | Jan 19 |
Freeze probabilities 1991–2020 at Holly Springs 4 N, MS, 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 38635 →Compare Holly Springs with another place →
Weather by month in Holly Springs
July is the warmest month at Holly Springs 4 N, MS, averaging 91°F by day and 68°F at night; January is the coldest at 50°F and 29°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 68% of years.
Warmth for growing adds up to 4,896 growing degree days a year (base 50°F), fewer than at 93% of the 96 Mississippi stations. 39% of them (1,924) have built up by the end of June, and July adds the most, 913. Precipitation totals 58.2 inches a year, most in March (6.1") and least in August (3.4"); May to September bring 38% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 50 | 29 | 4.7 | 100% | 21 | 31 |
| Feb | 55 | 32 | 4.9 | 100% | 17 | 47 |
| Mar | 64 | 40 | 6.1 | 98% | 9 | 160 |
| Apr | 73 | 47 | 6.1 | 68% | 2 | 326 |
| May | 80 | 57 | 5.4 | 1% | 0 | 577 |
| Jun | 87 | 65 | 4.7 | 0% | 0 | 784 |
| Jul | 91 | 68 | 4.6 | 0% | 0 | 913 |
| Aug | 90 | 67 | 3.4 | 0% | 0 | 877 |
| Sep | 85 | 59 | 3.9 | 0% | 0 | 657 |
| Oct | 75 | 47 | 4.2 | 69% | 4 | 355 |
| Nov | 63 | 38 | 4.5 | 98% | 11 | 127 |
| Dec | 53 | 32 | 5.7 | 100% | 18 | 42 |
Monthly normals 1991–2020 at Holly Springs 4 N, MS (483 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, Holly Springs 4 N, MS, 4 miles north of Holly Springs, has the same 50% last-frost date, a first frost 2 days later (October 28), a season 2 days longer.
When it snows in Holly Springs, Mississippi
The first measurable snow (0.1 inch or more) in Holly Springs usually arrives around January 28, and the last of the season around February 6. Those are the middle dates across the winters of 1991–2020 at Holly Springs 4 N, MS, 4.4 miles away: half of years saw snow earlier, half later. Snow fell in 76% of those winters. The last 32°F night of spring typically comes 59 days after the last snow.
Planting calendar for 38635
| When | What to do |
|---|---|
| January 26 – February 9 | Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out. |
| February 9 – February 23 | Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early. |
| March 9 – March 23 | Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil. |
| April 6 onward | Transplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast. |
| by August 3 | Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops. |
| by October 12 | Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation. |
| October 26 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 38635 is 4 miles from Holly Springs 4 N, MS, which stands at 483 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 38635 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 Mississippi →
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.