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
As November transitions to December, the average high-temperature falls from a cool 52.9°F (11.6°C) to a chilly 43.7°F (6.5°C). The temperature in New Castle lowers to an average of 31.3°F (-0.4°C) during December nights.Humidity
February and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In New Castle, in December, it is raining for 10.9 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 147.9 rainfall days, and 23.98" (609mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in New Castle. In New Castle, in December, snow falls for 5.5 days, with typically accumulated 1.1" (28mm) of snow. In New Castle, Kentucky, during the entire year, snow falls for 25.8 days and aggregates up to 6.02" (153mm) of snow.Daylight
The month with the shortest days in New Castle is December, with an average of 9h and 30min of daylight.On the first day of December in New Castle, sunrise is at 7:39 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:30 pm EST.
Sunshine
In New Castle, Kentucky, the average sunshine in December is 4.3h.UV index
January, February, November 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 exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. To guard against the harmful effects of the Sun, minimize exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
Is it cold in New Castle during December?
What is the most humid month in New Castle?
What is the average humidity in December in New Castle?
How much does it rain in New Castle in December?
How much does it snow in New Castle in December?
What is the month with the shortest days in New Castle?
How many hours of daylight does New Castle have in December?
When are sunrise and sunset in December in New Castle?
How long on average sun shines in December in New Castle?
What is the month with the lowest UV index in New Castle?
How high is the UV index in December in New Castle?
Average temperature in December
New Castle, 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
New Castle, 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
New Castle, 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
New Castle, 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
New Castle, 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
New Castle, 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
New Castle, 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
New Castle, 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
New Castle, 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
New Castle, 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
New Castle, 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
New Castle, 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
New Castle, 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).
New Castle, Kentucky, USA
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