December weather forecast
Granger, IN

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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.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In December, in Granger, the average high-temperature is 35.4°F (1.9°C), and the average low-temperature is 26.4°F (-3.1°C).

What is the average humidity in December?

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

How much does it rain in December?

In December, the rain falls for 10 days. Throughout December, 1.57" (40mm) of precipitation is accumulated.

How many days does it snow in December?

In Granger, Indiana, during December, snow falls for 14.4 days and regularly aggregates up to 3.27" (83mm) of snow.

What is the month with the shortest days?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

How many hours of daylight does Granger have in December?

In December, the average day length is 9h and 13min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:52 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 5:23 pm EST.

How many hours of sunshine does Granger have in December?

In Granger, the average sunshine duration in December is 3.5h.

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?

In Granger, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Granger, IN

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Granger, IN
  • Average daylight in December: 9h and 1min

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 3min

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 - 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 - 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 - 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 - 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).

Granger, Indiana, USA

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