December weather forecastGlyn Ellen, IN
December
Weather in December
The first month of the winter, December, is also an icy month in Glyn Ellen, Indiana, with an average temperature fluctuating between 38.1°F (3.4°C) and 27.5°F (-2.5°C).Temperature
Glyn Ellen experiences a temperature shift at the start of December, with average high-temperatures adjusting from a chilly 48.6°F (9.2°C) in November to a wintry 38.1°F (3.4°C). December nights are marked by an average low-temperature of 27.5°F (-2.5°C).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 83%.Rainfall
In Glyn Ellen, in December, it is raining for 8.9 days, with typically 1.57" (40mm) of accumulated precipitation. In Glyn Ellen, Indiana, during the entire year, the rain falls for 146.5 days and collects up to 22.32" (567mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Glyn Ellen, Indiana, in December, snow falls for 7.5 days, with typically accumulated 2.17" (55mm) of snow. In Glyn Ellen, during the entire year, snow falls for 34.2 days and aggregates up to 9.17" (233mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:46 am and sunset at 5:17 pm. On the last day of December, sunrise is at 8:04 am and sunset at 5:27 pm EST.
Sunshine
In December, the average sunshine is 4h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Glyn Ellen, IN
- Average high temperature in December: 38.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Glyn Ellen, IN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Glyn Ellen, 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 (6mph).
Average humidity in December
Glyn Ellen, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Glyn Ellen, IN
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in December
Glyn Ellen, IN
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in December
Glyn Ellen, IN
- Average snowfall in December: 2.17"
The month with the highest snowfall is February (2.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Glyn Ellen, IN
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glyn Ellen, IN
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Glyn Ellen, IN
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Glyn Ellen, 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, March, October, November and December (UV index 2).
Average cloud cover in December
Glyn Ellen, IN
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Glyn Ellen, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).





