Greenwood, SC frost dates

From NOAA weather station Greenwood (USC00383754), elevation 615 ft. The station is named for Greenwood, and its coordinates are 1.0 miles from the Census Bureau’s internal point for Greenwood city.

Summary

In the 1991–2020 record, the median last spring freeze (32°F) at Greenwood is Mar 26 and the median first fall freeze is Nov 12, for a typical freeze-free season of 233 days. In about 1 year in 10 the last spring freeze comes after Apr 10, and in about 1 year in 10 the first fall freeze arrives by Oct 28. The station averages 65 nights per year with a low of 32°F or colder.

Compared with the median of 103 South Carolina stations in this dataset, the median last freeze here is the same day as the state median (Mar 26), the median first freeze is 3 days later than the state median (Nov 9), and the growing season ranks #47 of 103 by length (longest = #1). The spread between the 90% and 10% spring dates is 38 days, a measure of how variable spring is here.

Freeze probability table

Spring: chance the last freeze falls after the date. Fall: chance the first freeze falls on or before the date. Season: days between, exceeded in 90% / 50% / 10% of years.
ThresholdLast spring occurrenceFirst fall occurrenceSeason length (days)
90% / 50% / 10%
Early (90% chance of a later freeze)Median (50%)Cautious (10% chance of a later freeze)Early (10% chance by then)Median (50%)Late (90% chance by then)
36°F (light frost possible)Mar 19Apr 6Apr 20Oct 18Nov 1Nov 16190 / 210 / 231
32°F (freeze)Mar 3Mar 26Apr 10Oct 28Nov 12Dec 1210 / 233 / 260
28°F (hard freeze)Feb 14Mar 12Mar 31Nov 6Nov 25Dec 20231 / 260 / 290

Read the spring “Cautious” column as the safer planting date: only about 1 year in 10 has a freeze after it. NOAA computes these from daily minimum temperatures at the station; your yard can differ, especially in low spots or at a different elevation.

Planting calendar for Greenwood

Pick how much frost risk you accept. The calendar applies generic, extension-published timing rules to this station’s dates. See the rules and sources.

CropStart seeds indoorsPlant outdoors (spring)Latest fall planting (est.)Days to harvest

Fall estimates count back from the median first fall freeze (32°F for tender crops, 28°F hard freeze for cool-season crops) by the longer days-to-harvest figure. These are rough planning aids, not recommendations for any specific variety; check seed packets and your county extension office.

Towns that use this station as their nearest

Census places within 15 miles whose closest station in this dataset is Greenwood: Greenwood (1 mi), Promised Land (6 mi), Abbeville (12 mi).

Nearby stations

About this station’s data

Raw values from the NOAA file (32°F)
FieldValue
ANN-TMIN-PRBLST-T32FP1004/10
ANN-TMIN-PRBLST-T32FP5003/26
ANN-TMIN-PRBLST-T32FP9003/03
ANN-TMIN-PRBFST-T32FP1010/28
ANN-TMIN-PRBFST-T32FP5011/12
ANN-TMIN-PRBFST-T32FP9012/01
ANN-TMIN-PRBGSL-T32FP10260.0
ANN-TMIN-PRBGSL-T32FP50233.0
ANN-TMIN-PRBGSL-T32FP90210.0