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 the commencement of December, Smithfield records a moderate temperature decline, with the average high easing from November's moderate 58.1°F (14.5°C) to a cool 50.9°F (10.5°C). Nighttime temperatures in December average to a cold 38.3°F (3.5°C).Humidity
The most humid month in Smithfield is December, with an average relative humidity of 78%.Rainfall
In Smithfield, in December, it is raining for 11.9 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, in Smithfield, there are 161.5 rainfall days, and 33.9" (861mm) of precipitation is accumulated.Snowfall
Months with snowfall in Smithfield are January through March, November and December. In Smithfield, during December, snow falls for 1.1 days and regularly aggregates up to 0.59" (15mm) of snow. In Smithfield, during the entire year, snow falls for 7.2 days and aggregates up to 3.58" (91mm) of snow.Daylight
The month with the shortest days in Smithfield, Virginia, is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:01 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:00 pm EST.
Sunshine
The average sunshine in December is 5.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What are December temperatures in Smithfield?
What is the most humid month in Smithfield?
What is the average humidity in December in Smithfield?
How many days does it rain in December in Smithfield?
How many days does it snow in December in Smithfield?
What is the month with the shortest days in Smithfield?
How many hours of daylight does Smithfield have in December?
When is the sunrise / sunset in December in Smithfield?
How many hours of sunshine does Smithfield have in December?
What is the month with the lowest UV index in Smithfield?
What is the UV index reading in December in Smithfield?
Average temperature in December
Smithfield, VA
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in December
Smithfield, VA
- Average pressure in December: 30.12"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
Smithfield, VA
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in December
Smithfield, VA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in December
Smithfield, VA
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is January (2.52").
Average rainfall days in December
Smithfield, VA
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in December
Smithfield, VA
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Smithfield, VA
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is January (2.7 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
Smithfield, VA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Smithfield, VA
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in December
Smithfield, VA
- Average UV index in December: 2
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Smithfield, VA
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Smithfield, VA
- 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, Virginia, USA
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