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 average high-temperature slightly decreases in December, shifting from a cool 53.8°F (12.1°C) in November to a chilly 45.1°F (7.3°C). Throughout December, Swampton's nights cool down to an average of 33.1°F (0.6°C).Humidity
February and December, with an average relative humidity of 80%, are the most humid months in Swampton.Rainfall
In Swampton, in December, during 13.1 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, there are 178.7 rainfall days, and 34.8" (884mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Swampton, during December, snow falls for 7.6 days and regularly aggregates up to 2.95" (75mm) of snow. Throughout the year, there are 37.5 snowfall days, and 15.43" (392mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:28 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:23 pm EST.
Sunshine
In December, the average sunshine in Swampton is 4.4h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December in Swampton?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Swampton, KY
- Average high temperature in December: 45.1°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in December: 33.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Swampton, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Swampton, KY
- Average wind speed in December: 6.4mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Swampton, KY
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August and November (74%).
Average rainfall in December
Swampton, KY
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Swampton, KY
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in December
Swampton, KY
- Average snowfall in December: 2.95"
The month with the highest snowfall is February (4.25").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Swampton, KY
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Swampton, KY
- 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 36min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Swampton, KY
- Average sunshine days in December: 12 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Swampton, KY
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Swampton, KY
- Average cloud cover in December: 55
The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Swampton, KY
- Average visibility in December: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).
Swampton, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location