December weather forecastCedar Island, NC
December
Weather in December
The first month of the winter, December, is still a mild month in Cedar Island, North Carolina, with an average temperature fluctuating between 58.6°F (14.8°C) and 50.2°F (10.1°C).Temperature
The onset of December manifests an average high-temperature of a mild 58.6°F (14.8°C), demonstrating a minor variation from the preceding month. During December, Cedar Island's nighttime temperatures demonstrate a subtle cooling from daytime highs, stabilizing at a fresh 50.2°F (10.1°C).Humidity
The average relative humidity in December in Cedar Island is 77%.Rainfall
In Cedar Island, in December, during 13.3 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Cedar Island, during the entire year, the rain falls for 181.4 days and collects up to 34.76" (883mm) of precipitation.Snowfall
March through December are months without snowfall.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 6:55 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:04 pm EST.
Sunshine
January and December, with an average of 5.5h of sunshine, are months with the least sunshine.UV index
In December, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 4 during December translates into the following guidance:
Be vigilant - Suggestions to stave off sun damage are provided. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cedar Island, NC
- Average high temperature in December: 58.6°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in December: 50.2°F
The month with the highest average low temperature is July (78.3°F).
The coldest month (with the lowest average low temperature) is January (44.6°F).
Average pressure in December
Cedar Island, NC
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is December (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Cedar Island, NC
- Average wind speed in December: 13.1mph
The windiest months (with the highest average wind speed) are February and March (14mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).
Average humidity in December
Cedar Island, NC
- Average humidity in December: 77%
The months with the highest relative humidity are May, June, July and August (78%).
The months with the lowest relative humidity are February, March and October (74%).
Average rainfall in December
Cedar Island, NC
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is August (4.84").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in December
Cedar Island, NC
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is August (22.3 days).
The months with the least rainy days are February and November (11.1 days).
Average snowfall in December
Cedar Island, NC
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Cedar Island, NC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Cedar Island, NC
- Average daylight in December: 9h and 48min
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).
- Average sunshine in December: 5h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Cedar Island, NC
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is August (5.9 days).
Average UV index in December
Cedar Island, 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
Cedar Island, NC
- Average cloud cover in December: 41
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Cedar Island, 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).





