USDA Hardiness Zone 7b
Frost Dates for 35594 — Winfield, Alabama
NOAA 1991–2020 normals from Winfield 2 SW, AL (520 ft), 3 miles west.
Updated
In Winfield, the last spring frost (32°F) is around April 4 in half of years and has passed by April 22 in nine years out of ten. The first fall frost comes around November 1, as early as October 19 one year in ten, leaving a typical freeze-free season of 211 days (NOAA, Winfield 2 SW, AL).
- Last spring frost
- April 4
- First fall frost
- November 1
- Growing season
- 211 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
- 45%
- Snow per year
- 0.9"
median, 1991–2020
median, 1991–2020
9 of 20 observed
NOAA normal
Frost risk by date in Winfield
Half of springs at Winfield 2 SW, AL see their last 32°F night by April 4; only one in ten is past it by March 14, and one in ten still has one after April 22. Planting tender crops after April 10 leaves a 30% risk of a frost on them, after April 15 20%, and after April 22 10%. The 18 days between the even-odds date and the one-in-ten date is narrower than at 46% of the 115 Alabama stations behind this site's ZIP pages.
In fall the first 32°F night comes by November 1 in half of years, as early as October 19 one year in ten, and holds off past November 19 one year in ten. A hard freeze of 28°F follows 10 days later, around November 11; in spring the one-in-ten date for 28°F is April 9, 13 days before the 32°F one. The freeze-free season lasts 211 days in a typical year, shorter than at 83% of the 115 Alabama stations; it reaches 237 days one year in ten and falls short of 189 one year in ten. On average 81 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 16, and return around October 24. Severe cold of 16°F or below comes in 90% of winters, usually between January 1 and February 2.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Mar 31 | Apr 5 | Apr 9 | Apr 13 | Apr 16 | Apr 19 | Apr 23 | Apr 28 | May 2 |
| 32°F | Mar 14 | Mar 21 | Mar 28 | Mar 31 | Apr 4 | Apr 7 | Apr 10 | Apr 15 | Apr 22 |
| 28°F | Feb 27 | Mar 6 | Mar 12 | Mar 16 | Mar 20 | Mar 25 | Mar 30 | Apr 3 | Apr 9 |
| 24°F | Feb 10 | Feb 21 | Feb 26 | Feb 28 | Mar 4 | Mar 9 | Mar 14 | Mar 18 | Mar 25 |
| 20°F99% of yrs | Jan 23 | Jan 31 | Feb 7 | Feb 14 | Feb 20 | Feb 25 | Feb 28 | Mar 6 | Mar 14 |
| 16°F90% of yrs | Jan 5 | Jan 17 | Jan 24 | Jan 30 | Feb 2 | Feb 7 | Feb 15 | Feb 25 | Mar 3 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Oct 12 | Oct 15 | Oct 19 | Oct 21 | Oct 24 | Oct 27 | Oct 30 | Nov 1 | Nov 6 |
| 32°F | Oct 19 | Oct 24 | Oct 27 | Oct 30 | Nov 1 | Nov 4 | Nov 7 | Nov 11 | Nov 19 |
| 28°F | Oct 29 | Nov 1 | Nov 4 | Nov 8 | Nov 11 | Nov 15 | Nov 19 | Nov 25 | Dec 1 |
| 24°F | Nov 7 | Nov 13 | Nov 18 | Nov 22 | Nov 27 | Dec 1 | Dec 3 | Dec 9 | Dec 21 |
| 20°F99% of yrs | Nov 19 | Nov 29 | Dec 1 | Dec 6 | Dec 11 | Dec 20 | Dec 27 | Jan 2 | Jan 10 |
| 16°F90% of yrs | Dec 3 | Dec 13 | Dec 23 | Dec 29 | Jan 1 | Jan 4 | Jan 10 | Jan 18 | Feb 1 |
Freeze probabilities 1991–2020 at Winfield 2 SW, AL, 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 35594 →Compare Winfield with another place →
Weather by month in Winfield
July is the warmest month at Winfield 2 SW, AL, averaging 89°F by day and 69°F at night; January is the coldest at 52°F and 30°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 59% of years.
Warmth for growing adds up to 4,962 growing degree days a year (base 50°F), fewer than at 81% of the 115 Alabama stations. 39% of them (1,918) have built up by the end of June, and July adds the most, 905. Precipitation totals 64.2 inches a year, most in December (6.5") and least in September (3.8"); May to September bring 38% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 52 | 30 | 6.1 | 100% | 20 | 38 |
| Feb | 57 | 33 | 6.3 | 100% | 17 | 53 |
| Mar | 65 | 40 | 5.7 | 95% | 10 | 159 |
| Apr | 73 | 47 | 6.2 | 59% | 3 | 316 |
| May | 80 | 57 | 5.4 | 2% | 0 | 572 |
| Jun | 87 | 65 | 5.4 | 0% | 0 | 780 |
| Jul | 89 | 69 | 5.3 | 0% | 0 | 905 |
| Aug | 89 | 68 | 4.4 | 0% | 0 | 887 |
| Sep | 85 | 62 | 3.8 | 0% | 0 | 694 |
| Oct | 75 | 49 | 4.2 | 45% | 2 | 381 |
| Nov | 64 | 39 | 4.9 | 96% | 12 | 127 |
| Dec | 55 | 33 | 6.5 | 100% | 18 | 51 |
Monthly normals 1991–2020 at Winfield 2 SW, AL (520 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, Fayette, AL, 15 miles south of Winfield and 163 feet lower, has a last frost 15 days earlier (March 20), a first frost 8 days later (November 9), a season 23 days longer.
When it snows in Winfield, Alabama
Measurable snow is rare here: only 9 of 20 winters from 1991 to 2020 recorded 0.1 inch or more at Winfield 2 SW, AL, 3.4 miles away, so there is no typical first-snow date to plan around.
Planting calendar for 35594
| When | What to do |
|---|---|
| January 24 – February 7 | Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out. |
| February 7 – February 21 | Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early. |
| March 7 – March 21 | Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil. |
| April 4 onward | Transplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast. |
| by August 9 | Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops. |
| by October 18 | Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation. |
| November 1 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 35594 is 3 miles from Winfield 2 SW, AL, which stands at 520 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 35594 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.
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.