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North Carolina · NOAA station USW00013881

Frost dates for Charlotte Douglas Airport, NC

At Charlotte Douglas Airport, the median last spring frost (32°F) is Mar 30 and the median first fall frost is Nov 3, for a typical growing season of 221 days. For a 90% chance that the last frost has passed, wait until Apr 14. Nearby ZIP codes are in USDA hardiness zone 8a.

  • Mar 30Last spring frost (median)50% chance of 32°F after this date
  • Apr 14Safer planting date10% chance of 32°F after this date
  • Nov 3First fall frost (median)50% chance of 32°F by this date
  • 221 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.

Charlotte Douglas Airport: last spring freeze by temperature
Temperature90% chance later50% chance later10% chance later
36°FMar 26Apr 11Apr 28
32°FMar 12Mar 30Apr 14
28°FFeb 25Mar 17Apr 3
24°FFeb 4Mar 2Mar 24

First fall frost dates

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

Charlotte Douglas Airport: first fall freeze by temperature
Temperature10% chance by50% chance by90% chance by
36°FOct 15Oct 27Nov 7
32°FOct 22Nov 3Nov 17
28°FNov 1Nov 14Dec 2
24°FNov 11Nov 29Dec 29

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.

Charlotte Douglas Airport: growing season by temperature
Temperature9 in 10 years at least5 in 10 years at least1 in 10 years at least
36°F179 days200 days220 days
32°F201 days221 days244 days
28°F221 days245 days271 days
24°F245 days274 days308 days

Chance of a freeze in any year

Charlotte Douglas Airport: probability of at least one day at or below each temperature
TemperatureChance per year
36°F100%
32°F100%
28°F100%
24°F100%

ZIP codes whose closest station is this one

ZIP codes near Charlotte Douglas Airport with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
282088a10 to 15°F5 km
282148a10 to 15°F6 km
282178a10 to 15°F7 km
280128a10 to 15°F8 km
282038a10 to 15°F9 km
282828a10 to 15°F10 km
282028a10 to 15°F10 km
282448a10 to 15°F10 km
282808a10 to 15°F10 km
282098a10 to 15°F10 km
282738a10 to 15°F11 km
282788a10 to 15°F11 km
282168a10 to 15°F11 km
282748a10 to 15°F12 km
282048a10 to 15°F12 km
282078a10 to 15°F12 km
282068a10 to 15°F13 km
282108a10 to 15°F14 km
282058a10 to 15°F15 km
282118a10 to 15°F16 km
281348a10 to 15°F17 km
282268a10 to 15°F18 km
282698a10 to 15°F19 km
282128a10 to 15°F20 km
280788a10 to 15°F22 km
280318a10 to 15°F29 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 USW00013881, at 35.2236, -80.9553, elevation 222 m (728 ft).
  • Data quality: Standard (24+ years of data), 28 years of freeze data.
  • Average days per year at or below 32°F: 58.
  • 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 North Carolina stations · How frost dates are calculated