October weather forecastIndianapolis, IN
October
Weather in October
October in Indianapolis carries the essence of autumn, an intermediate period between the warm summer and brisk winter. As temperatures moderate, falling to an average low of 47.3°F (8.5°C), the city is imbued with a refreshing chill. The crunch of fallen leaves underfoot and the beautiful hues of fall foliage mark the seasonal transition. October provides the city a beautiful blend of seasons, making it a perfect time for exploration.Temperature
With the onset of October, Indianapolis experiences a modest temperature adjustment, with the average high-temperature receding from a warm 75.9°F (24.4°C) in September to a comfortable 63.1°F (17.3°C). Indianapolis witnesses a consistent average low-temperature of 47.3°F (8.5°C) throughout October.Humidity
October is the least humid month, with an average relative humidity of 73%.Rainfall
In Indianapolis, in October, it is raining for 11.1 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 146.4 rainfall days, and 21.14" (537mm) of precipitation is accumulated.Snowfall
In Indianapolis, snow does not fall in May through October.Daylight
The average length of the day in October in Indianapolis is 11h and 8min.On the first day of October, sunrise is at 7:41 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 6:43 pm EDT.
Sunshine
In Indianapolis, the average sunshine in October is 6.8h.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 value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 2 during October translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Stay sun-safe with clothing that is both closely woven and worn loosely. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Indianapolis, IN
- Average high temperature in October: 63.1°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 October: 47.3°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 October
Indianapolis, IN
- Average pressure in October: 30.03"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 October
Indianapolis, IN
- Average wind speed in October: 8.4mph
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 October
Indianapolis, IN
- Average humidity in October: 73%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in October
Indianapolis, IN
- Average rainfall in October: 1.46"
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 October
Indianapolis, IN
- Average rainfall days in October: 11.1 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 October
Indianapolis, IN
- Average snowfall in October: 0"
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 October
Indianapolis, IN
- Average snowfall days in October: 0.2 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 October /
Average sunshine in October
Indianapolis, IN
- Average daylight in October: 11h and 6min
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 October: 6h and 48min
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 October
Indianapolis, IN
- Average sunshine days in October: 18.6 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 October
Indianapolis, IN
- Average UV index in October: 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 October
Indianapolis, IN
- Average cloud cover in October: 36
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 October
Indianapolis, IN
- Average visibility in October: 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).
