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July Weather in Indianapolis, United States

Last updated: June 24, 2025

In July, the average temperature in Indianapolis, United States hovers around 25°C (77°F). You can expect variations, with a minimum dipping to 13°C (56°F) and a maximum soaring to 34°C (94°F). Additionally, brace for 108 mm (4.2 in) of precipitation over 12 days, and enjoy a sublime average humidity of 79% that adds to the locale's unique charm.

July Temperature in Indianapolis

In July in Indianapolis, the average temperature is 25°C (77°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 13°C (56°F). This pleasant climate makes Indianapolis an ideal destination for travelers looking to enjoy warm days and cool evenings.

July Weather in Indianapolis: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Indianapolis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Indianapolis, July typically has an average temperature of 25°C (77°F), with highs reaching up to 34°C (94°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec303443526474777470584236
Data source: Temperature data for Indianapolis generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Indianapolis

In Indianapolis in July, the total precipitation amount is 108 mm (4.2 in) spread over 12 days.

July Precipitation Trends in Indianapolis

The chart displays monthly precipitation patterns in Indianapolis, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Indianapolis, July typically receives around 108 mm (4.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec829312794132107108101801039380
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Indianapolis

In Indianapolis in July, humidity is 79%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket wrapping around you, making travel feel slightly sluggish but pleasantly tropical.

July Average Humidity in Indianapolis

This chart illustrates the average monthly humidity levels in Indianapolis, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Indianapolis is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Indianapolis

In Indianapolis in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Indianapolis.

Maximum UV Index Levels in Indianapolis for July

The chart shows the monthly maximum UV Index (UVI) for Indianapolis in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Indianapolis typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111098643
Data source: Indianapolis July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How July Weather in Indianapolis Compares to Other Months

Weather in Indianapolis varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Indianapolis, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Indianapolis, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)82 mm (3.2 inches)87%moderate
February Weather1°C (34°F)93 mm (3.7 inches)85%moderate
March Weather6°C (43°F)127 mm (5.0 inches)86%high
April Weather11°C (52°F)94 mm (3.7 inches)84%very high
May Weather18°C (65°F)132 mm (5.2 inches)79%very high
June Weather23°C (74°F)107 mm (4.2 inches)82%extreme
July Weather25°C (77°F)108 mm (4.2 inches)79%very high
August Weather23°C (74°F)101 mm (4.0 inches)70%very high
September Weather21°C (70°F)80 mm (3.2 inches)69%very high
October Weather14°C (58°F)103 mm (4.0 inches)76%high
November Weather5°C (42°F)93 mm (3.7 inches)88%moderate
December Weather2°C (36°F)80 mm (3.2 inches)87%moderate

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