December weather forecastGranger, IN
December
Weather in December
December, the first month of the winter in Granger, is also an icy month, with an average temperature varying between 26.4°F (-3.1°C) and 35.4°F (1.9°C).Temperature
The average high-temperature drops in December, from November's frosty 46°F (7.8°C) to an icy 35.4°F (1.9°C). Granger maintains a near steady average temperature of 26.4°F (-3.1°C) during the nights of December, demonstrating little drop from daytime highs.Humidity
The average relative humidity in December is 83%.Rainfall
In Granger, during December, the rain falls for 10 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, there are 163.5 rainfall days, and 26.54" (674mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 14.4 days. Throughout December, 3.27" (83mm) of snow is accumulated. In Granger, during the entire year, snow falls for 65 days and aggregates up to 18.31" (465mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:52 am and sunset at 5:14 pm. On the last day of December, sunrise is at 8:11 am and sunset at 5:23 pm EST.
Sunshine
In Granger, the average sunshine in December is 3.5h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Granger, IN
- Average high temperature in December: 35.4°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Granger, IN
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Granger, IN
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Granger, IN
- Average humidity in December: 83%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Granger, IN
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in December
Granger, IN
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Granger, IN
- Average snowfall in December: 3.27"
The month with the highest snowfall is January (4.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Granger, IN
- Average snowfall days in December: 14.4 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Granger, IN
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Granger, IN
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is January (7.8 days).
Average UV index in December
Granger, IN
- Average UV index in December: 1
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Granger, IN
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Granger, IN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, July, August and December (5mi).





