Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In Indianapolis, the beginning of December is marked by a lowered average high-temperature, shifting from November's frosty 49.3°F (9.6°C) to a cold 38.3°F (3.5°C). An average low-temperature of 28.2°F (-2.1°C) marks the nights throughout December.Humidity
With an average relative humidity of 82%, December is the most humid month in Indianapolis.Rainfall
In December, in Indianapolis, the rain falls for 8.9 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. Throughout the year, in Indianapolis, Indiana, there are 146.4 rainfall days, and 21.14" (537mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Indianapolis, Indiana. December is the month with the most snowfall in Indianapolis. Snow falls for 6.2 days and accumulates 2.28" (58mm) 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 7:47 am and sunset at 5:20 pm. On the last day of December, in Indianapolis, sunrise is at 8:05 am and sunset at 5:30 pm EST.
Sunshine
In Indianapolis, Indiana, the average sunshine in December is 4.2h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To protect against the Sun's most potent rays, avoid direct exposure around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
Is December cold in Indianapolis?
What is the most humid month in Indianapolis?
What is the average humidity in December in Indianapolis?
How many days does it rain in December in Indianapolis?
When does it snow the most in Indianapolis?
How many days does it snow in December in Indianapolis?
What is the month with the shortest days in Indianapolis?
What is the average length of the day in December in Indianapolis?
When are sunrise and sunset in December in Indianapolis?
How long on average sun shines in December in Indianapolis?
When is the lowest UV index in Indianapolis?
What is the UV index reading in December in Indianapolis?
Average temperature in December
Indianapolis, IN
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28.2°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in December
Indianapolis, IN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Indianapolis, IN
- Average wind speed in December: 9mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Indianapolis, IN
- Average humidity in December: 82%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Indianapolis, IN
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in December
Indianapolis, IN
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Indianapolis, IN
- Average snowfall in December: 2.28"
The month with the highest snowfall is December (2.28").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Indianapolis, IN
- Average snowfall days in December: 6.2 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Indianapolis, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Indianapolis, IN
- Average sunshine days in December: 17 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Indianapolis, IN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Indianapolis, IN
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Indianapolis, 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).
Indianapolis, Indiana, USA
Weather forecast for your location
2. Allow the app to use your location
