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
December indicates a shift in the average high-temperature, from November's fresh 55.2°F (12.9°C) to a chilly 45.7°F (7.6°C). Throughout December, an average nighttime temperature of 34°F (1.1°C) is experienced.Humidity
The average relative humidity in December is 78%.Rainfall
In Princeton, in December, during 12.5 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 174.5 rainfall days, and 39.65" (1007mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In December, in Princeton, it is snowing for 2.8 days. Throughout December, 0.63" (16mm) of snow is accumulated. Throughout the year, in Princeton, there are 16.5 snowfall days, and 6.57" (167mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:47 am and sunset at 4:34 pm. On the last day of December, in Princeton, Kentucky, sunrise is at 7:04 am and sunset at 4:44 pm CST.
Sunshine
The average sunshine in December in Princeton is 4.8h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Princeton. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What are the temperatures in Princeton in December?
What is the average humidity in December in Princeton?
How many days does it rain in December in Princeton?
How much does it snow in Princeton in December?
What is the month with the shortest days in Princeton?
How many hours of daylight does Princeton have in December?
What time are sunrise and sunset in December in Princeton?
How long on average sun shines in December in Princeton?
What are the months with the lowest UV index in Princeton?
What is the UV index intensity in December in Princeton?
Average temperature in December
Princeton, KY
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in December: 34°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in December
Princeton, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Princeton, KY
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is February (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in December
Princeton, KY
- Average humidity in December: 78%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Princeton, KY
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is April (4.33").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Princeton, KY
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in December
Princeton, KY
- Average snowfall in December: 0.63"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Princeton, KY
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (5.3 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
Princeton, 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 42min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in December
Princeton, KY
- Average sunshine days in December: 16.1 days
The months with the most sunshine days are October and November (18.3 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Princeton, 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
Princeton, KY
- Average cloud cover in December: 49
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in December
Princeton, KY
- 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).
Princeton, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location
