December weather forecastCromwell, KY
December
Weather in December
The first month of the winter, December, is also a frosty month in Cromwell, Kentucky, with an average temperature varying between 33.8°F (1°C) and 45.7°F (7.6°C).Temperature
A subtle decrease in the average high-temperature marks December, falling from November's fresh 55°F (12.8°C) to a frosty 45.7°F (7.6°C). In Cromwell, December is marked by an average low-temperature of 33.8°F (1°C).Humidity
In December, the average relative humidity is 79%.Rainfall
In Cromwell, in December, it is raining for 12.1 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, there are 151.8 rainfall days, and 25.12" (638mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 3.5 days. Throughout December, 0.47" (12mm) of snow is accumulated. Throughout the year, there are 18.9 snowfall days, and 5.08" (129mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 6:43 am and sunset at 4:29 pm. On the last day of December, sunrise is at 7:01 am and sunset at 4:39 pm CST.
Sunshine
In Cromwell, the average sunshine in December is 4.5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cromwell, KY
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in December: 33.8°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in December
Cromwell, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Cromwell, KY
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in December
Cromwell, KY
- Average humidity in December: 79%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Cromwell, KY
- Average rainfall in December: 1.85"
The wettest months (with the highest rainfall) are February and April (2.68").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in December
Cromwell, KY
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Cromwell, KY
- Average snowfall in December: 0.47"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Cromwell, KY
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5.5 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
Cromwell, KY
- Average daylight in December: 9h and 36min
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 30min
The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Cromwell, KY
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (12 days).
Average UV index in December
Cromwell, 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
Cromwell, KY
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in December
Cromwell, 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).
