December weather forecastTopsail Beach, NC
December
Weather in December
As the year draws to a close, December greets Topsail Beach with the advent of the winter chill, the temperature hovering at an average high of 58.5°F (14.7°C). The sea temperature descends further to 62.7°F (17.1°C), marking a completion of the temperature's cyclical journey throughout the year. Dwindling daylight hours and a lower UV index exhibit characteristics typical of the winter season. Interestingly, an anomaly is noted in the month's snowfall, registering 0.04" (1mm), despite no recorded snowfall in November. This emergence of snowfall, even though minuscule, symbolizes the cautious onset of snowing conditions in the coming new year.Temperature
Topsail Beach experiences an average high-temperature of a mild 58.5°F (14.7°C) with the onset of December, subtly varied from November's 63.5°F (17.5°C). During December, Topsail Beach sees a mean low-temperature of 47.3°F (8.5°C).Humidity
August and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In Topsail Beach, in December, during 9.6 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. In Topsail Beach, during the entire year, the rain falls for 150.4 days and collects up to 20.79" (528mm) of precipitation.Snowfall
January, February and December are months with snowfall. The months with the most snowfall are January, February and December, with an average 0.04" (1mm) of accumulated snow.Ocean temperature
In December, the average ocean temperature is 62.6°F (17°C).Note: Swimming in water that is 62.6°F (17°C) is not enjoyable for most. Breathing becomes more challenging to manage as the water temperature dips from 69.8°F (21°C) to 59°F (15°C).
Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:59 am and sunset at 5:00 pm. On the last day of December, sunrise is at 7:16 am and sunset at 5:10 pm EST.
Sunshine
With an average of 5.6h of sunshine, December has the least sunshine of the year.UV index
In December, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 during December translates into the following guidance:
Undertake precautions - Guarding against sun damage is counselled. It's recommended to limit sun exposure when its radiation is at its peak during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Topsail Beach, NC
- Average high temperature in December: 58.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (54.5°F).
- Average low temperature in December: 47.3°F
The month with the highest average low temperature is July (77°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure in December
Topsail Beach, NC
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Topsail Beach, NC
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity in December
Topsail Beach, NC
- Average humidity in December: 77%
The months with the highest relative humidity are August and December (77%).
The months with the lowest relative humidity are January and March (73%).
Average rainfall in December
Topsail Beach, NC
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is September (2.91").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in December
Topsail Beach, NC
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in December
Topsail Beach, NC
- Average snowfall in December: 0.04"
The months with the highest snowfall are January, February and December (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Topsail Beach, NC
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Topsail Beach, NC
- Average sea temperature in December: 62.7°F
The best month for swimming (with the highest average sea temperature) is August (82.8°F).
The coldest month (with the lowest average sea temperature) is February (57.5°F).
Average daylight in December /
Average sunshine in December
Topsail Beach, NC
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Topsail Beach, NC
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is August (8.2 days).
Average UV index in December
Topsail Beach, NC
- Average UV index in December: 4
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Topsail Beach, NC
- Average cloud cover in December: 39
The months with the most cloud cover are February and December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in December
Topsail Beach, NC
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
