July weather forecast and climate
Indianapolis, IN

The magnificent Monument Circle in Indianapolis, Indiana with the surrounding cityscape
The magnificent Monument Circle in Indianapolis, Indiana with the surrounding cityscape
July, like June, in Indianapolis, Indiana, is another warm summer month, with average temperature varying between 66.2°F (19°C) and 82°F (27.8°C).

Temperature

The warmest month is July, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 66.2°F (19°C).

Heat index

In July, the average heat index is estimated at a tropical 88.9°F (31.6°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'real feel', or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, differences in body mass, height, and shape, pregnancy), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in July is 80%.

Rainfall

In Indianapolis, it is raining for 15.7 days, with typically 1.81" (46mm) of accumulated precipitation. In Indianapolis, during the entire year, the rain falls for 146.4 days and collects up to 21.14" (537mm) of precipitation.

Snowfall

May through October are months without snowfall in Indianapolis.

Daylight

In July, the average length of the day is 14.7h.

Sunshine

With an average of 10.3h of sunshine, July has the most sunshine of the year.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the warmest month in Indianapolis?

With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 66.2°F (19°C), July is the warmest month in Indianapolis.

What is the temperature in July in Indianapolis?

In July, in Indianapolis, Indiana, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 66.2°F (19°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), that combines relative humidity and air temperature, in July is estimated at 88.9°F (31.6°C).

What is the average humidity in July in Indianapolis?

In Indianapolis, Indiana, the average relative humidity in July is 80%.

How many days does it rain in July in Indianapolis?

In Indianapolis, Indiana, in July, during 15.7 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

When it does not snow in Indianapolis?

May through October are months without snowfall in Indianapolis.

What is the average length of the day in July in Indianapolis?

In Indianapolis, the average length of the day in July is 14.7h.

What month has the most sunshine in Indianapolis?

With an average of 10.3h of sunshine, July has the most sunshine of the year in Indianapolis.

How many hours of sunshine does Indianapolis have in July?

In July, the average sunshine in Indianapolis is 10.3h.

What are the months with the highest UV index in Indianapolis?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Indianapolis, Indiana.

How high is the UV index in July in Indianapolis?

In Indianapolis, Indiana, the average daily maximum UV index in July is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to the UV radiation.
Average temperature in July - Indianapolis, IN
  • Average high temperature in July: 82°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 July: 66.2°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 July - Indianapolis, IN
  • Average pressure in July: 29.98"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed in July - Indianapolis, IN
  • Average wind speed in July: 5.8mph

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 July - Indianapolis, IN
  • Average humidity in July: 80%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (73%).

Average rainfall in July - Indianapolis, IN
  • Average rainfall in July: 1.81"

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 July - Indianapolis, IN
  • Average rainfall days in July: 15.7 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 July - Indianapolis, IN
  • Average snowfall in July: 0"

The month with the highest snowfall is December (2.28").
Months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July - Indianapolis, IN
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (7.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July / Average sunshine in July - Indianapolis, IN
  • Average daylight in July: 14.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in July: 10.3h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 4.1h).

Average sunshine days in July - Indianapolis, IN
  • Average sunshine days in July: 11.5 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 July - Indianapolis, IN
  • Average UV index in July: 6

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in July - Indianapolis, IN
  • Average cloud cover in July: 31

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 July - Indianapolis, IN
  • Average visibility in July: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).