ZIP Code 28557 Hardiness Zones and Climate Data

ZIP Code 28557 - Morehead City North Carolina is in 2023 USDA Hardiness Zones 8b (15°F to 20°F)

Additional Gardening Related Climate Data for ZIP Code 28557 - Morehead City, North Carolina

2023 Hardiness Zone:Zone 8b: 15°F to 20°F
2012 Hardiness Zone:Zone 8a: 10°F to 15°F
1990 Hardiness Zone:Zone 8a: 10F to 15F
Average First Frost Date:Nov. 21 - Nov. 30
Average Last Frost Date:Mar. 21 - Mar. 31
Koppen-Geiger Climate Zone:Cfa - Humid Subtropical Climate
Ecoregion:63g - Carolinian Barrier Islands and Coastal Marshes
Current Drought Status:Exceptional Drought
Heat Zone Days: 46 - 60 days Over 86°F

Annual Climate Data for ZIP Code 28557 - Morehead City, NC

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)36374351606872716655463954
Avg Max Temp (°F)57596572798588888476686073
Avg Precip (In.)5.323.994.292.964.564.075.987.376.384.3444.5157.76

Source Data:

2025 plantmaps.com