Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With December's onset, the weather reveals a slight temperature decrease, transitioning from a refreshing 59.9°F (15.5°C) in November to a cool 53.6°F (12°C). Smithfield in December anticipates an average nighttime temperature of 39.2°F (4°C).Humidity
In Smithfield, the average relative humidity in December is 76%.Rainfall
In December, the rain falls for 7.9 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. In Smithfield, during the entire year, the rain falls for 115.7 days and collects up to 11.06" (281mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:04 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:10 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.4h of sunshine.UV index
The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Smithfield have in December?
When are sunrise and sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Smithfield have in December?
How high is the UV index in December?
Average temperature in December
Smithfield, NC
- Average high temperature in December: 53.6°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 (48.9°F).
- Average low temperature in December: 39.2°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).
Average pressure in December
Smithfield, NC
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Smithfield, NC
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Smithfield, NC
- Average humidity in December: 76%
The months with the highest relative humidity are May, August and September (77%).
The months with the lowest relative humidity are January, March and November (73%).
Average rainfall in December
Smithfield, NC
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is August (1.5").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Smithfield, NC
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in December
Smithfield, NC
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Smithfield, NC
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Smithfield, 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).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in December
Smithfield, NC
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is October (22.7 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in December
Smithfield, NC
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Smithfield, NC
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Smithfield, 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).
Smithfield, North Carolina, USA
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