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
In Heater, entering December brings a temperature decrement, reducing from November's mild 55.4°F (13°C) to a frosty 46.4°F (8°C). Throughout December, Heater witnesses a nighttime temperature average of 34.2°F (1.2°C).Humidity
The average relative humidity in December in Heater is 78%.Rainfall
In Heater, in December, it is raining for 7.1 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, in Heater, there are 94.8 rainfall days, and 8.7" (221mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Heater, in December, during 2.2 snowfall days, 0.08" (2mm) of snow is typically accumulated. In Heater, during the entire year, snow falls for 11 days and aggregates up to 0.83" (21mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year in Heater.On the first day of the month, sunrise is at 6:48 am and sunset at 4:36 pm. On the last day of December, in Heater, sunrise is at 7:06 am and sunset at 4:46 pm CST.
Sunshine
In December, the average sunshine is 4.9h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Heater. 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 maximum UV index of 2 in December leads to these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What are the temperatures in Heater in December?
What is the average humidity in December in Heater?
How much does it rain in Heater in December?
How much does it snow in Heater in December?
What is the month with the shortest days in Heater?
What is the average length of the day in December in Heater?
What time are sunrise and sunset in December in Heater?
How many hours of sunshine does Heater have in December?
When is the lowest UV index in Heater?
How high is the UV index in December in Heater?
Average temperature in December
Heater, KY
- Average high temperature in December: 46.4°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in December: 34.2°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Heater, 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
Heater, KY
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in December
Heater, KY
- Average humidity in December: 78%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Heater, KY
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is February (1.06").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in December
Heater, KY
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is July (10.7 days).
The month with the least rainy days is November (5.7 days).
Average snowfall in December
Heater, KY
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Heater, KY
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is February (3.1 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
Heater, 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 July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in December
Heater, KY
- Average sunshine days in December: 22.4 days
The month with the most sunshine days is October (23.3 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in December
Heater, 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
Heater, KY
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in December
Heater, 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).
Heater, Kentucky, USA
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