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 50.9°F (10.5°C) in November to a cold 40.3°F (4.6°C). Ellettsville's temperature drops to an average low of 28.9°F (-1.7°C) during the nights of December.Humidity
The months with the highest humidity are May, July and December, with an average relative humidity of 82%.Rainfall
In Ellettsville, in December, it is raining for 9.1 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 143.5 rainfall days, and 21.85" (555mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Ellettsville, in December, during 5.9 snowfall days, 1.22" (31mm) of snow is typically accumulated. Throughout the year, there are 26.8 snowfall days, and 6.69" (170mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December in Ellettsville, sunrise is at 7:47 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 8:05 am and sunset at 5:33 pm EST.
Sunshine
January and December, with an average of 4.3h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Ellettsville, Indiana, are January, February, October and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, the UV index of 2 transforms into the following advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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 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?
When are sunrise and sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Ellettsville have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Ellettsville, IN
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Ellettsville, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Ellettsville, IN
- Average wind speed in December: 8mph
The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Ellettsville, IN
- Average humidity in December: 82%
The months with the highest relative humidity are May, July and December (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Ellettsville, IN
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in December
Ellettsville, IN
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
Ellettsville, IN
- Average snowfall in December: 1.22"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Ellettsville, IN
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (7.3 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
Ellettsville, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).
Average sunshine days in December
Ellettsville, IN
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in December
Ellettsville, IN
- 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, October and December (UV index 2).
Average cloud cover in December
Ellettsville, IN
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Ellettsville, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Ellettsville, Indiana, USA
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