December weather forecast
Cape Hatteras National Seashore, NC

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Weather in December

Ocean temperature

In Cape Hatteras National Seashore, North Carolina, the average seawater temperature in December is 65.5°F (18.6°C).
Note: Swimming becomes less enjoyable for most at a surface water temperature of 65.5°F (18.6°C). As the temperature decreases below 69.8°F (21°C), breathing becomes increasingly difficult.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 6:53 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 4:59 pm EST.
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Frequently asked questions

What is the ocean temperature in December in Cape Hatteras National Seashore?

In Cape Hatteras National Seashore, in December, the average water temperature is 65.5°F (18.6°C). For most, swimming in 65.5°F (18.6°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

What is the month with the shortest days in Cape Hatteras National Seashore?

The month with the shortest days in Cape Hatteras National Seashore is December, with an average of 9h and 48min of daylight.

What is the average length of the day in December in Cape Hatteras National Seashore?

The average day length in December in Cape Hatteras National Seashore, North Carolina, is 9h and 49min.

When is the sunrise / sunset in December in Cape Hatteras National Seashore?

In December, on the first day of the month, sunrise is at 6:53 am and sunset at 4:49 pm. On the last day of the month, in Cape Hatteras National Seashore, North Carolina, sunrise is at 7:10 am and sunset at 4:59 pm EST.

Average sea temperature in December
Cape Hatteras National Seashore, NC

Average sea temperature in December - Cape Hatteras National Seashore, NC
  • Average sea temperature in December: 65.6°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).

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Average daylight in December
Cape Hatteras National Seashore, NC

Average daylight in December - Cape Hatteras National Seashore, NC
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

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Cape Hatteras National Seashore, North Carolina, USA

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