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South Carolina · NOAA station USC00388979

Frost dates for Wateree Dam, SC

At Wateree Dam, the median last spring frost (32°F) is Mar 23 and the median first fall frost is Nov 14, for a typical growing season of 237 days. For a 90% chance that the last frost has passed, wait until Apr 7. Nearby ZIP codes are in USDA hardiness zone 8a.

  • Mar 23Last spring frost (median)50% chance of 32°F after this date
  • Apr 7Safer planting date10% chance of 32°F after this date
  • Nov 14First fall frost (median)50% chance of 32°F by this date
  • 237 daysGrowing season (median)between 32°F freezes

Planting date calculator

Pick how much frost risk you accept and how many weeks before or after the last frost your seed packet says to plant.

From your seed packet, e.g. “start 6 weeks before last frost”.

–Last spring frost
–First fall frost
–Your planting date
–Hardiness zone

Last spring frost dates

The chance that the temperature drops to the threshold after each date.

Wateree Dam: last spring freeze by temperature
Temperature90% chance later50% chance later10% chance later
36°FMar 19Apr 3Apr 17
32°FMar 5Mar 23Apr 7
28°FFeb 18Mar 11Mar 27
24°FJan 25Feb 22Mar 17

First fall frost dates

The chance that the temperature has dropped to the threshold by each date.

Wateree Dam: first fall freeze by temperature
Temperature10% chance by50% chance by90% chance by
36°FOct 22Nov 3Nov 17
32°FNov 1Nov 14Dec 3
28°FNov 10Dec 1Dec 27
24°FNov 24Dec 20Jan 17

Growing season length

Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.

Wateree Dam: growing season by temperature
Temperature9 in 10 years at least5 in 10 years at least1 in 10 years at least
36°F195 days214 days233 days
32°F215 days237 days261 days
28°F237 days263 days297 days
24°F263 days297 days334 days

Chance of a freeze in any year

Wateree Dam: probability of at least one day at or below each temperature
TemperatureChance per year
36°F100%
32°F100%
28°F100%
24°F99%

ZIP codes whose closest station is this one

ZIP codes near Wateree Dam with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
291758a10 to 15°F15 km
290748a10 to 15°F16 km
291308a10 to 15°F16 km
290588a10 to 15°F25 km
290678a10 to 15°F28 km

Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.

About this station

  • NOAA station ID USC00388979, at 34.3347, -80.7030, elevation 70 m (230 ft).
  • Data quality: Estimated from nearby stations (2+ years), 9 years of freeze data.
  • Average days per year at or below 32°F: 59.
  • Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.

Nearby weather stations

Sources

Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.

All South Carolina stations · How frost dates are calculated