December weather forecast
Etna Green, IN

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Weather in December

The first month of the winter, December, is also a wintry month in Etna Green, Indiana, with an average temperature ranging between max 35.8°F (2.1°C) and min 26.1°F (-3.3°C).

Temperature

As December begins, there is a decrease in the average high-temperature, falling from a frosty 46.9°F (8.3°C) in November to an icy 35.8°F (2.1°C). In Etna Green, the expected average low-temperature for December is a subzero cold 26.1°F (-3.3°C).

Humidity

In Etna Green, the average relative humidity in December is 83%.

Rainfall

December is the month with the least rainfall. Rain falls for 9.8 days and accumulates 1.5" (38mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 11.9 days. Throughout December, 2.95" (75mm) of snow is accumulated. In Etna Green, Indiana, during the entire year, snow falls for 55.1 days and aggregates up to 14.57" (370mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:51 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 5:25 pm EST.

Sunshine

The average sunshine in December is 3.8h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In Etna Green, 35.8°F (2.1°C) is the average high-temperature and 26.1°F (-3.3°C) is the average low-temperature during December.

What is the average humidity in December?

In Etna Green, the average relative humidity in December is 83%.

What is the driest month?

December is the month with the least rainfall. Rain falls for 9.8 days and accumulates 1.5" (38mm) of precipitation.

How many days does it rain in December?

In Etna Green, in December, it is raining for 9.8 days, with typically 1.5" (38mm) of accumulated precipitation.

How much does it snow in December?

In Etna Green, during December, snow falls for 11.9 days and regularly aggregates up to 2.95" (75mm) of snow.

What is the month with the shortest days?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

How many hours of daylight does Etna Green have in December?

The average day length in December is 9h and 16min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:51 am and sunset at 5:15 pm. On the last day of the month, in Etna Green, sunrise is at 8:09 am and sunset at 5:25 pm EST.

How many hours of sunshine does Etna Green have in December?

The average sunshine duration in December is 3.8h.

What is the month with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Etna Green, IN

Average temperature in December - Etna Green, IN
  • Average high temperature in December: 35.8°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in December: 26.1°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in December
Etna Green, IN

Average pressure in December - Etna Green, IN
  • Average pressure in December: 30.09"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
Etna Green, IN

Average wind speed in December - Etna Green, IN
  • Average wind speed in December: 9.7mph

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
Etna Green, IN

Average humidity in December - Etna Green, IN
  • Average humidity in December: 83%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).

Average rainfall in December
Etna Green, IN

Average rainfall in December - Etna Green, IN
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is December (1.5").

Average rainfall days in December
Etna Green, IN

Average rainfall days in December - Etna Green, IN
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in December
Etna Green, IN

Average snowfall in December - Etna Green, IN
  • Average snowfall in December: 2.95"

The month with the highest snowfall is January (3.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Etna Green, IN

Average snowfall days in December - Etna Green, IN
  • Average snowfall days in December: 11.9 days

The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Etna Green, IN

Average daylight in December / Average sunshine in December - Etna Green, IN
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 3h and 5min

The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in December
Etna Green, IN

Average sunshine days in December - Etna Green, IN
  • Average sunshine days in December: 12 days

The month with the most sunshine days is November (15 days).
The month with the least sunshine days is February (9.1 days).

Average UV index in December
Etna Green, IN

Average UV index in December - Etna Green, IN
  • Average UV index in December: 1

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Etna Green, IN

Average cloud cover in December - Etna Green, IN
  • Average cloud cover in December: 61

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 34).

Average visibility in December
Etna Green, IN

Average visibility in December - Etna Green, IN
  • Average visibility in December: 6mi

The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).

Etna Green, Indiana, USA

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