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
The start of December signals a decrease in the average high-temperature, transitioning from a cool 52.9°F (11.6°C) in November to a chilly 43.7°F (6.5°C). Throughout December, the nighttime temperature in Smithfield averages to a subzero cold 31.3°F (-0.4°C).Humidity
The months with the highest humidity in Smithfield, Kentucky, are February and December, with an average relative humidity of 81%.Rainfall
In Smithfield, during December, the rain falls for 10.9 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, there are 147.9 rainfall days, and 23.98" (609mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Smithfield, during December, snow falls for 5.5 days and regularly aggregates up to 1.1" (28mm) of snow. Throughout the year, in Smithfield, Kentucky, there are 25.8 snowfall days, and 6.02" (153mm) of snow is accumulated.Daylight
December has the shortest days of the year in Smithfield, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:39 am and sunset at 5:20 pm. On the last day of December, in Smithfield, sunrise is at 7:58 am and sunset at 5:30 pm EST.
Sunshine
In December, the average sunshine in Smithfield is 4.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
How cold does it get in Smithfield in December?
What are the most humid months in Smithfield?
What is the average humidity in December in Smithfield?
How many days does it rain in December in Smithfield?
How much does it snow in Smithfield in December?
What is the month with the shortest days in Smithfield?
How many hours of daylight does Smithfield have in December?
What time are sunrise and sunset in December in Smithfield?
How long on average sun shines in December in Smithfield?
What are the months with the lowest UV index in Smithfield?
What is the UV index reading in December in Smithfield?
Average temperature in December
Smithfield, KY
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in December
Smithfield, KY
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Smithfield, KY
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Smithfield, KY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).
Average rainfall in December
Smithfield, KY
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is April (2.64").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in December
Smithfield, KY
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Smithfield, KY
- Average snowfall in December: 1.1"
The month with the highest snowfall is March (1.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Smithfield, KY
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Smithfield, KY
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Smithfield, KY
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in December
Smithfield, KY
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Smithfield, KY
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Smithfield, KY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).
Smithfield, Kentucky, USA
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