December weather forecastDiamond, KY
December
Weather in December
The first month of the winter, December, is still a chilly month in Diamond, Kentucky, with temperature in the range of an average high of 45.5°F (7.5°C) and an average low of 33.6°F (0.9°C).Temperature
Diamond's December weather features a mild decline in high-temperatures, reducing from a fresh 54.9°F (12.7°C) in November to a chilly 45.5°F (7.5°C). Diamond anticipates an average minimum temperature of 33.6°F (0.9°C) in the month of December.Humidity
In Diamond, the average relative humidity in December is 78%.Rainfall
In December, the rain falls for 8.9 days. Throughout December, 1.61" (41mm) of precipitation is accumulated. In Diamond, during the entire year, the rain falls for 143.8 days and collects up to 22.68" (576mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Diamond, during December, snow falls for 2.6 days and regularly aggregates up to 0.35" (9mm) of snow. Throughout the year, there are 12.2 snowfall days, and 2.09" (53mm) 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 6:47 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:05 am and sunset at 4:43 pm CST.
Sunshine
In December, the average sunshine is 4.8h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 2 in December transforms into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Diamond, KY
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in December: 33.6°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in December
Diamond, 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
Diamond, KY
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Diamond, 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
Diamond, KY
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is April (2.56").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in December
Diamond, KY
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Diamond, KY
- Average snowfall in December: 0.35"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Diamond, KY
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is January (4.2 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
Diamond, 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 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Diamond, KY
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is May (12 days).
Average UV index in December
Diamond, 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
Diamond, KY
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Diamond, 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).
