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
The arrival of December signals a shift in temperature, down from a cool 53.4°F (11.9°C) in November to a frosty 44.2°F (6.8°C). An average nighttime temperature of 32.2°F (0.1°C) is noted in Watterson Park during the month of December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 79%.Rainfall
In December, the rain falls for 11 days. Throughout December, 2.01" (51mm) of precipitation is accumulated. In Watterson Park, during the entire year, the rain falls for 154.5 days and collects up to 26.38" (670mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 3.5 days. Throughout December, 0.31" (8mm) of snow is accumulated. In Watterson Park, during the entire year, snow falls for 18.4 days and aggregates up to 3.11" (79mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:41 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 5:32 pm EST.
Sunshine
The months with the least sunshine in Watterson Park are January and December, with an average of 4.4h of sunshine.UV index
The months with the lowest UV index in Watterson Park are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in Watterson Park?
When are sunrise and sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Watterson Park have in December?
What are the months with the lowest UV index in Watterson Park?
What is the UV index reading in December?
Average temperature in December
Watterson Park, KY
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in December: 32.2°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in December
Watterson Park, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Watterson Park, KY
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Watterson Park, KY
- Average humidity in December: 79%
The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Watterson Park, KY
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in December
Watterson Park, KY
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Watterson Park, KY
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Watterson Park, KY
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (5.6 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
Watterson Park, KY
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 4h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days in December
Watterson Park, KY
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Watterson Park, 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, November and December (UV index 2).
Average cloud cover in December
Watterson Park, KY
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Watterson Park, KY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and May (5mi).
Watterson Park, Kentucky, USA
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