USDA Hardiness Zone 8a
Frost Dates for 31822 — Pine Mountain, Georgia
NOAA 1991–2020 normals from La Grange 1N, GA (730 ft), 16 miles northwest.
Updated
In Pine Mountain, the last spring frost (32°F) is around March 31 in half of years and has passed by April 15 in nine years out of ten. The first fall frost comes around November 5, as early as October 25 one year in ten, leaving a typical freeze-free season of 221 days (NOAA, La Grange 1N, GA).
- Last spring frost
- March 31
- First fall frost
- November 5
- Growing season
- 221 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
- Rare
- Last snow
- Rare
- Winters with snow
- 8%
- Snow per year
- 0.1"
median, 1991–2020
median, 1991–2020
2 of 24 observed
NOAA normal
Frost risk by date in Pine Mountain
Half of springs at La Grange 1N, GA see their last 32°F night by March 31; only one in ten is past it by March 15, and one in ten still has one after April 15. Planting tender crops after April 5 leaves a 30% risk of a frost on them, after April 9 20%, and after April 15 10%. The 15 days between the even-odds date and the one-in-ten date is narrower than at 83% of the 127 Georgia stations behind this site's ZIP pages.
In fall the first 32°F night comes by November 5 in half of years, as early as October 25 one year in ten, and holds off past November 21 one year in ten. A hard freeze of 28°F follows 11 days later, around November 16; in spring the one-in-ten date for 28°F is April 2, 13 days before the 32°F one. The freeze-free season lasts 221 days in a typical year, shorter than at 72% of the 127 Georgia stations; it reaches 245 days one year in ten and falls short of 201 one year in ten. On average 57 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 12, and return around October 28. Nights of 24°F, cold enough to damage hardier plants, come in 100% of winters and 16°F in 77%.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Mar 27 | Apr 1 | Apr 4 | Apr 8 | Apr 12 | Apr 15 | Apr 19 | Apr 23 | Apr 29 |
| 32°F | Mar 15 | Mar 20 | Mar 24 | Mar 28 | Mar 31 | Apr 2 | Apr 5 | Apr 9 | Apr 15 |
| 28°F | Feb 26 | Mar 5 | Mar 11 | Mar 15 | Mar 19 | Mar 23 | Mar 27 | Mar 30 | Apr 2 |
| 24°F | Feb 4 | Feb 17 | Feb 24 | Feb 28 | Mar 5 | Mar 10 | Mar 15 | Mar 19 | Mar 26 |
| 20°F96% of yrs | Jan 10 | Jan 25 | Jan 31 | Feb 7 | Feb 15 | Feb 23 | Mar 1 | Mar 7 | Mar 16 |
| 16°F77% of yrs | Dec 29 | Jan 8 | Jan 17 | Jan 25 | Jan 31 | Feb 5 | Feb 13 | Feb 23 | Mar 3 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Oct 15 | Oct 21 | Oct 24 | Oct 26 | Oct 28 | Oct 31 | Nov 2 | Nov 4 | Nov 9 |
| 32°F | Oct 25 | Oct 29 | Nov 1 | Nov 3 | Nov 5 | Nov 8 | Nov 12 | Nov 16 | Nov 21 |
| 28°F | Nov 2 | Nov 6 | Nov 9 | Nov 13 | Nov 16 | Nov 19 | Nov 23 | Nov 30 | Dec 5 |
| 24°F | Nov 12 | Nov 17 | Nov 22 | Nov 26 | Dec 1 | Dec 4 | Dec 8 | Dec 17 | Dec 31 |
| 20°F96% of yrs | Nov 24 | Dec 1 | Dec 5 | Dec 11 | Dec 19 | Dec 28 | Jan 3 | Jan 11 | Jan 23 |
| 16°F77% of yrs | Dec 5 | Dec 12 | Dec 21 | Dec 30 | Jan 4 | Jan 10 | Jan 18 | Jan 27 | Feb 9 |
Freeze probabilities 1991–2020 at La Grange 1N, GA, 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 31822 →Compare Pine Mountain with another place →
Weather by month in Pine Mountain
July is the warmest month at La Grange 1N, GA, averaging 91°F by day and 69°F at night; January is the coldest at 56°F and 34°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 47% of years.
Warmth for growing adds up to 5,321 growing degree days a year (base 50°F), fewer than at 56% of the 127 Georgia stations. 40% of them (2,154) have built up by the end of June, and July adds the most, 924.
| Month | High °F | Low °F | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|
| Jan | 56 | 34 | 100% | 16 | 47 |
| Feb | 60 | 37 | 99% | 12 | 80 |
| Mar | 69 | 42 | 95% | 6 | 211 |
| Apr | 76 | 49 | 47% | 1 | 376 |
| May | 83 | 58 | 0% | 0 | 626 |
| Jun | 88 | 66 | 0% | 0 | 814 |
| Jul | 91 | 69 | 0% | 0 | 924 |
| Aug | 90 | 68 | 0% | 0 | 903 |
| Sep | 85 | 62 | 0% | 0 | 705 |
| Oct | 76 | 52 | 27% | 1 | 426 |
| Nov | 66 | 40 | 96% | 8 | 151 |
| Dec | 58 | 35 | 99% | 14 | 59 |
Monthly normals 1991–2020 at La Grange 1N, GA (730 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, W Pt, GA, 17 miles west of Pine Mountain and 155 feet lower, has a last frost 5 days earlier (March 26), a first frost 4 days later (November 9), a season 8 days longer.
When it snows in Pine Mountain, Georgia
Measurable snow is rare here: only 2 of 24 winters from 1991 to 2020 recorded 0.1 inch or more at W Pt, GA, 17.4 miles away, so there is no typical first-snow date to plan around.
Planting calendar for 31822
| 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 13 | Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops. |
| by October 22 | Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation. |
| November 5 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 31822 is 16 miles from La Grange 1N, GA, which stands at 730 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 4 other ZIP codes share the station; its figures are presented in full for 30240 (Lagrange). The 2023 USDA Plant Hardiness Zone Map lists ZIP 31822 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.
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.