Fountain Inn, SC frost dates

From NOAA weather station Fountain Inn 2 SW (USC00383145), elevation 830 ft. The station is named for Fountain Inn, and its coordinates are 2.1 miles from the Census Bureau’s internal point for Fountain Inn city.

Summary

In the 1991–2020 record, the median last spring freeze (32°F) at Fountain Inn 2 SW is Mar 29 and the median first fall freeze is Nov 5, for a typical freeze-free season of 222 days. In about 1 year in 10 the last spring freeze comes after Apr 14, and in about 1 year in 10 the first fall freeze arrives by Oct 24. The station averages 61 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 3 days later than the state median (Mar 26), the median first freeze is 4 days earlier than the state median (Nov 9), and the growing season ranks #74 of 103 by length (longest = #1). The spread between the 90% and 10% spring dates is 35 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 26Apr 11Apr 30Oct 14Oct 26Nov 7174 / 197 / 217
32°F (freeze)Mar 10Mar 29Apr 14Oct 24Nov 5Nov 20200 / 222 / 245
28°F (hard freeze)Feb 21Mar 15Mar 31Nov 2Nov 17Dec 6227 / 250 / 277

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 Fountain Inn

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 Fountain Inn 2 SW: Fountain Inn (2 mi), Simpsonville (4 mi), Gray Court (8 mi), Woodruff (12 mi), Princeton (13 mi).

Nearby stations

About this station’s data

Raw values from the NOAA file (32°F)
FieldValue
ANN-TMIN-PRBLST-T32FP1004/14
ANN-TMIN-PRBLST-T32FP5003/29
ANN-TMIN-PRBLST-T32FP9003/10
ANN-TMIN-PRBFST-T32FP1010/24
ANN-TMIN-PRBFST-T32FP5011/05
ANN-TMIN-PRBFST-T32FP9011/20
ANN-TMIN-PRBGSL-T32FP10245.0
ANN-TMIN-PRBGSL-T32FP50222.0
ANN-TMIN-PRBGSL-T32FP90200.0