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Mississippi · NOAA station USC00227815

Frost dates for Sardis Dam, MS

At Sardis Dam, the median last spring frost (32°F) is Mar 15 and the median first fall frost is Nov 15, for a typical growing season of 244 days. For a 90% chance that the last frost has passed, wait until Apr 4. Nearby ZIP codes are in USDA hardiness zone 8a.

  • Mar 15Last spring frost (median)50% chance of 32°F after this date
  • Apr 4Safer planting date10% chance of 32°F after this date
  • Nov 15First fall frost (median)50% chance of 32°F by this date
  • 244 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.

Sardis Dam: last spring freeze by temperature
Temperature90% chance later50% chance later10% chance later
36°FMar 12Mar 31Apr 20
32°FFeb 27Mar 15Apr 4
28°FFeb 10Mar 3Mar 21
24°FJan 19Feb 20Mar 11

First fall frost dates

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

Sardis Dam: first fall freeze by temperature
Temperature10% chance by50% chance by90% chance by
36°FOct 22Nov 4Nov 22
32°FOct 31Nov 15Dec 5
28°FNov 7Nov 28Dec 22
24°FNov 18Dec 14Jan 9

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.

Sardis Dam: growing season by temperature
Temperature9 in 10 years at least5 in 10 years at least1 in 10 years at least
36°F196 days220 days243 days
32°F219 days244 days270 days
28°F242 days269 days299 days
24°F266 days299 days334 days

Chance of a freeze in any year

Sardis 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 Sardis Dam with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
386668a10 to 15°F13 km
386198a10 to 15°F14 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 USC00227815, at 34.3961, -89.7903, elevation 92 m (303 ft).
  • Data quality: Representative (10+ years), 19 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 Mississippi stations · How frost dates are calculated