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Virginia · NOAA station USW00093739

Frost dates for Wallops Island Flight Fac, VA

At Wallops Island Flight Fac, the median last spring frost (32°F) is Mar 31 and the median first fall frost is Nov 11, for a typical growing season of 225 days. For a 90% chance that the last frost has passed, wait until Apr 13. Nearby ZIP codes are in USDA hardiness zones 7b to 8a.

  • Mar 31Last spring frost (median)50% chance of 32°F after this date
  • Apr 13Safer planting date10% chance of 32°F after this date
  • Nov 11First fall frost (median)50% chance of 32°F by this date
  • 225 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.

Wallops Island Flight Fac: last spring freeze by temperature
Temperature90% chance later50% chance later10% chance later
36°FMar 31Apr 13May 1
32°FMar 17Mar 31Apr 13
28°FMar 2Mar 20Apr 2
24°FFeb 16Mar 7Mar 23

First fall frost dates

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

Wallops Island Flight Fac: first fall freeze by temperature
Temperature10% chance by50% chance by90% chance by
36°FOct 16Oct 31Nov 12
32°FOct 31Nov 11Nov 26
28°FNov 8Nov 24Dec 11
24°FNov 17Dec 8Dec 30

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.

Wallops Island Flight Fac: growing season by temperature
Temperature9 in 10 years at least5 in 10 years at least1 in 10 years at least
36°F180 days201 days221 days
32°F205 days225 days246 days
28°F227 days250 days274 days
24°F252 days277 days303 days

Chance of a freeze in any year

Wallops Island Flight Fac: 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 Wallops Island Flight Fac with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
233378a10 to 15°F0 km
233958a10 to 15°F3 km
233038a10 to 15°F6 km
234158a10 to 15°F7 km
234168a10 to 15°F9 km
234428a10 to 15°F10 km
233568a10 to 15°F10 km
233028a10 to 15°F11 km
233368a10 to 15°F11 km
218648a10 to 15°F11 km
234888a10 to 15°F12 km
234078a10 to 15°F13 km
233598a10 to 15°F14 km
218517b5 to 10°F17 km
234148a10 to 15°F18 km
234098a10 to 15°F18 km
233088a10 to 15°F19 km
234268a10 to 15°F20 km
234278a10 to 15°F23 km
234218a10 to 15°F24 km
218388a10 to 15°F26 km
218717b5 to 10°F31 km
218178a10 to 15°F33 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 USW00093739, at 37.9406, -75.4631, elevation 12 m (38 ft).
  • Data quality: Standard (24+ years of data), 30 years of freeze data.
  • Average days per year at or below 32°F: 69.
  • 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 Virginia stations · How frost dates are calculated