December weather forecastEast Chicago, IN
December
Weather in December
December represents the onset of a wintry phase for East Chicago, with temperatures plummeting between 27.3°F (-2.6°C) and 36.1°F (2.3°C). A distinguishing point of this month is the highest snowfall level of the last quarter, making the cityscape a snowy wonderland. With shorter daylight hours and lesser sunshine, December brings in the undeniable chill of winter. The increasing cloud coverage and falling temperatures all point to a typical Midwestern winter.Temperature
A decrease in the average high-temperature is observed in East Chicago during December, shifting from a frosty 46.6°F (8.1°C) in November to a wintry 36.1°F (2.3°C). East Chicago records a consistent average nighttime temperature of 27.3°F (-2.6°C) in December, slightly lower than the daytime high.Humidity
The average relative humidity in December is 80%.Rainfall
December is the month with the least rainfall. Rain falls for 8.7 days and accumulates 1.1" (28mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In East Chicago, in December, during 9.6 snowfall days, 1.93" (49mm) of snow is typically accumulated. In East Chicago, during the entire year, snow falls for 45.1 days and aggregates up to 12.36" (314mm) of snow.Daylight
The month with the shortest days in East Chicago is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:57 am and sunset at 4:20 pm. On the last day of December, in East Chicago, sunrise is at 7:16 am and sunset at 4:29 pm CST.
Sunshine
In December, the average sunshine in East Chicago is 4h.UV index
December is the month with the lowest UV index in East Chicago, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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
East Chicago, IN
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
East Chicago, IN
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
East Chicago, IN
- Average wind speed in December: 10.6mph
The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
East Chicago, IN
- Average humidity in December: 80%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
East Chicago, IN
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in December
East Chicago, IN
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in December
East Chicago, IN
- Average snowfall in December: 1.93"
The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
East Chicago, IN
- Average snowfall days in December: 9.6 days
The month with the highest number of snowfall days is January (13.4 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
East Chicago, IN
- Average daylight in December: 9h and 12min
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 12min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
East Chicago, IN
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
East Chicago, IN
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
East Chicago, IN
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
East Chicago, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
