March weather forecast and climate
Cape Hatteras National Seashore, NC

Average sea temperature in March - Cape Hatteras National Seashore, NC
  • Average sea temperature in March: 59.4°F

The best month for swimming (with the highest average sea temperature) is August (82.9°F).
The coldest month (with the lowest average sea temperature) is February (57.2°F).

Average daylight in March - Cape Hatteras National Seashore, NC
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

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