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
December's onset brings a slight change in high-temperatures, falling from a fresh 50.9°F (10.5°C) in November to an icy 40.3°F (4.6°C). The average temperature during December nights is registered at a subzero cold 28.9°F (-1.7°C).Humidity
May, July and December, with an average relative humidity of 82%, are the most humid months.Rainfall
In Ellettsville, in December, during 9.1 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, in Ellettsville, there are 143.5 rainfall days, and 21.85" (555mm) of precipitation is accumulated.Snowfall
Months with snowfall in Ellettsville are January through April, October through December. In Ellettsville, in December, during 5.9 snowfall days, 1.22" (31mm) of snow is typically accumulated. In Ellettsville, Indiana, during the entire year, snow falls for 26.8 days and aggregates up to 6.69" (170mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December, 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
The months with the least sunshine are January and December, with an average of 4.3h of sunshine.UV index
January, February, October 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 minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How cold is December in Ellettsville?
What are the most humid months in Ellettsville?
What is the average humidity in December in Ellettsville?
How much does it rain in Ellettsville in December?
How many days does it snow in December in Ellettsville?
What is the month with the shortest days in Ellettsville?
What is the average length of the day in December in Ellettsville?
What time are sunrise and sunset in December in Ellettsville?
What is the month with the least sunshine in Ellettsville?
How many hours of sunshine does Ellettsville have in December?
When is the lowest UV index in Ellettsville?
What is the UV index intensity in December in Ellettsville?
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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