Frost dates for Ocean City Muni Airport, MD
At Ocean City Muni Airport, the median last spring frost (32°F) is Apr 7 and the median first fall frost is Nov 2, for a typical growing season of 209 days. For a 90% chance that the last frost has passed, wait until Apr 23. Nearby ZIP codes are in USDA hardiness zones 7b to 8a.
- Apr 7Last spring frost (median)50% chance of 32°F after this date
- Apr 23Safer planting date10% chance of 32°F after this date
- Nov 2First fall frost (median)50% chance of 32°F by this date
- 209 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Apr 5 | Apr 21 | May 8 |
| 32°F | Mar 24 | Apr 7 | Apr 23 |
| 28°F | Mar 9 | Mar 26 | Apr 7 |
| 24°F | Feb 22 | Mar 13 | Mar 29 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Oct 11 | Oct 24 | Nov 5 |
| 32°F | Oct 20 | Nov 2 | Nov 16 |
| 28°F | Nov 1 | Nov 14 | Dec 1 |
| 24°F | Nov 9 | Nov 28 | Dec 20 |
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.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 163 days | 185 days | 206 days |
| 32°F | 187 days | 209 days | 228 days |
| 28°F | 214 days | 233 days | 256 days |
| 24°F | 234 days | 260 days | 288 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 21842 | 8a | 10 to 15°F | 7 km |
| 21811 | 7b | 5 to 10°F | 9 km |
| 21862 | 7b | 5 to 10°F | 12 km |
| 21813 | 7b | 5 to 10°F | 14 km |
| 19975 | 7b | 5 to 10°F | 18 km |
| 21872 | 7b | 5 to 10°F | 19 km |
| 19944 | 8a | 10 to 15°F | 20 km |
| 19945 | 7b | 5 to 10°F | 23 km |
| 19967 | 7b | 5 to 10°F | 26 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 USW00093786, at 38.3083, -75.1239, elevation 4 m (12 ft).
- Data quality: Representative (10+ years), 17 years of freeze data.
- Average days per year at or below 32°F: 81.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Snow Hill 4 N (24 km)
- Assateague (27 km)
- Salisbury Wicomico Regional Airport (34 km)
- Salisbury (41 km)
- Salisbury 2n (42 km)
- Vienna (64 km)
- Royal Oak 2 SSW (103 km)
- Patuxent River NAS (113 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.