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 the transition to December, Mount Etna observes a drop in the average high-temperature, moving from a frosty 47.3°F (8.5°C) in November to an icy 36.5°F (2.5°C). Mount Etna records an average low of 26.6°F (-3°C) throughout the nights in December.Humidity
In Mount Etna, the average relative humidity in December is 83%.Rainfall
In Mount Etna, Indiana, in December, during 8.5 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, there are 153.8 rainfall days, and 25" (635mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In December, in Mount Etna, it is snowing for 10.1 days. Throughout December, 1.93" (49mm) of snow is accumulated. Throughout the year, there are 47.8 snowfall days, and 11.93" (303mm) of snow is accumulated.Daylight
The month with the shortest days in Mount Etna, Indiana, is December, with an average of 9h and 18min of daylight.On the first day of December in Mount Etna, sunrise is at 7:47 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:24 pm EST.
Sunshine
In Mount Etna, the average sunshine in December is 3.8h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Mount Etna, Indiana. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 2 during December leads to these instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Mount Etna?
What is the average humidity in December in Mount Etna?
How much does it rain in Mount Etna in December?
How many days does it snow in December in Mount Etna?
What is the month with the shortest days in Mount Etna?
What is the average length of the day in December in Mount Etna?
When is the sunrise / sunset in December in Mount Etna?
How many hours of sunshine does Mount Etna have in December?
What is the month with the lowest UV index in Mount Etna?
How high is the UV index in December in Mount Etna?
Average temperature in December
Mount Etna, IN
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in December
Mount Etna, IN
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Mount Etna, IN
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Mount Etna, IN
- Average humidity in December: 83%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Mount Etna, IN
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is April (3.07").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in December
Mount Etna, IN
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Mount Etna, IN
- Average snowfall in December: 1.93"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Mount Etna, IN
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mount Etna, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Mount Etna, IN
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (16 days).
The months with the least sunshine days are February and May (10.5 days).
Average UV index in December
Mount Etna, IN
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Mount Etna, IN
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Mount Etna, IN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January and August (5mi).
Mount Etna, Indiana, USA
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