December weather forecastWilliamston, NC
December
Weather in December
The first month of the winter, December, is also a fresh month in Williamston, North Carolina, with an average temperature fluctuating between 39°F (3.9°C) and 53.8°F (12.1°C).Temperature
As December begins, there is a minor decrease in the average high-temperature, softly falling from a mild 60.1°F (15.6°C) in November to a cool 53.8°F (12.1°C). Nighttime temperatures in Williamston, North Carolina, consistently average a cold 39°F (3.9°C) during December.Humidity
The months with the highest humidity in Williamston are May, August, September and December, with an average relative humidity of 79%.Rainfall
In Williamston, North Carolina, during December, the rain falls for 9.2 days and regularly aggregates up to 1.06" (27mm) of precipitation. In Williamston, during the entire year, the rain falls for 141.7 days and collects up to 16.65" (423mm) of precipitation.Snowfall
January through March and December are months with snowfall in Williamston, North Carolina. December is the first month it typically snows in Williamston, North Carolina. Throughout December, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. In Williamston, North Carolina, during the entire year, snow falls for 3.3 days and aggregates up to 1.22" (31mm) of snow.Daylight
December has the shortest days of the year in Williamston, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:04 pm EST.
Sunshine
January and December, with an average of 5.4h of sunshine, are months with the least sunshine.UV index
In Williamston, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 3 in December leads to these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. When the Sun is at its strongest around midday, find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Williamston, NC
- Average high temperature in December: 53.8°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in December: 39°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in December
Williamston, NC
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Williamston, NC
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Williamston, NC
- Average humidity in December: 79%
The months with the highest relative humidity are May, August, September and December (79%).
The month with the lowest relative humidity is January (75%).
Average rainfall in December
Williamston, NC
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is July (2.17").
The driest months (with the least rainfall) are January and March (0.87").
Average rainfall days in December
Williamston, NC
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is October (7.2 days).
Average snowfall in December
Williamston, NC
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Williamston, NC
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Williamston, NC
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in December
Williamston, NC
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is October (22.2 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in December
Williamston, NC
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Williamston, NC
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 33).
Average visibility in December
Williamston, NC
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
