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 December, the meteorological conditions alter, with the average high-temperature shifting from a fresh 51.1°F (10.6°C) in November to a cold 40.8°F (4.9°C). The month of December records an average low-temperature of 29.5°F (-1.4°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In Clay City, in December, during 9.6 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 147.3 rainfall days, and 27.32" (694mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Clay City, during December, snow falls for 4.5 days and regularly aggregates up to 1.46" (37mm) of snow. In Clay City, during the entire year, snow falls for 21.1 days and aggregates up to 7.68" (195mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:49 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 5:35 pm EST.
Sunshine
January and December, with an average of 4.5h of sunshine, are months with the least sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December in Clay City?
Average temperature in December
Clay City, IN
- Average high temperature in December: 40.8°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in December: 29.5°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in December
Clay City, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Clay City, IN
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Clay City, IN
- Average humidity in December: 81%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Clay City, IN
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is April (3.66").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Clay City, IN
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Clay City, IN
- Average snowfall in December: 1.46"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Clay City, IN
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Clay City, IN
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 30min).
Average sunshine days in December
Clay City, IN
- Average sunshine days in December: 18 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in December
Clay City, IN
- Average UV index in December: 2
The months with the highest UV index are 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
Clay City, IN
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Clay City, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Clay City, Indiana, USA
Weather forecast for your location
2. Allow the app to use your location