December weather forecastHeidrick, KY
December
Weather in December
The first month of the winter, December, is also a frosty month in Heidrick, Kentucky, with an average temperature fluctuating between 46°F (7.8°C) and 33.4°F (0.8°C).Temperature
December is characterized by a mild reduction in the average high-temperature, from a cool 53.8°F (12.1°C) in November to a frosty 46°F (7.8°C). Heidrick cools down to an average low-temperature of 33.4°F (0.8°C) throughout the month of December.Humidity
In December, the average relative humidity is 80%.Rainfall
In Heidrick, in December, during 14.3 rainfall days, 3.62" (92mm) of precipitation is typically accumulated. Throughout the year, in Heidrick, there are 185.2 rainfall days, and 39.88" (1013mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Heidrick, during December, snow falls for 7 days and regularly aggregates up to 3.62" (92mm) of snow. In Heidrick, during the entire year, snow falls for 34.4 days and aggregates up to 16.34" (415mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December in Heidrick, sunrise is at 7:30 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:29 pm EST.
Sunshine
In December, the average sunshine is 4.8h.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 low health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Heidrick, KY
- Average high temperature in December: 46°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in December: 33.4°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in December
Heidrick, 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
Heidrick, KY
- Average wind speed in December: 6mph
The windiest months (with the highest average wind speed) are February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Heidrick, KY
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are August and November (76%).
Average rainfall in December
Heidrick, KY
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is February (4.53").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Heidrick, KY
- Average rainfall days in December: 14.3 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in December
Heidrick, KY
- Average snowfall in December: 3.62"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Heidrick, KY
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Heidrick, KY
- Average daylight in December: 9h and 42min
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 48min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Heidrick, KY
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Heidrick, 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
Heidrick, KY
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Heidrick, KY
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
