Last updated: June 24, 2025
In Indianapolis, United States, the average temperature in August hovers around 23°C (74°F), offering a pleasant climate. Expect minimums of 11°C (53°F) and highs reaching up to 34°C (93°F). During this month, anticipate 101 mm (4.0 in) of precipitation spread over approximately 12 days, contributing to an average humidity of 70%. Enjoy the balanced weather as you explore this vibrant destination!
In August in Indianapolis, the average temperature is 23°C (74°F). The maximum can reach 34°C (93°F), and the minimum can be as low as 11°C (53°F). This makes it an ideal time for travelers to enjoy a pleasant climate while exploring the attractions of Indianapolis.
In Indianapolis in August, the precipitation amount is 101 mm (4.0 in) spread over 12 days.
In Indianapolis in August humidity is 70%. With an average temperature of 23°C (74°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat challenging but still bearable for traveling.
In Indianapolis in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Indianapolis.
UV Risk Categories
Weather in Indianapolis varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Indianapolis, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -1°C (30°F) | 82 mm (3.2 inches) | 87% | moderate |
February Weather | 1°C (34°F) | 93 mm (3.7 inches) | 85% | moderate |
March Weather | 6°C (43°F) | 127 mm (5.0 inches) | 86% | high |
April Weather | 11°C (52°F) | 94 mm (3.7 inches) | 84% | very high |
May Weather | 18°C (65°F) | 132 mm (5.2 inches) | 79% | very high |
June Weather | 23°C (74°F) | 107 mm (4.2 inches) | 82% | extreme |
July Weather | 25°C (77°F) | 108 mm (4.2 inches) | 79% | very high |
August Weather | 23°C (74°F) | 101 mm (4.0 inches) | 70% | very high |
September Weather | 21°C (70°F) | 80 mm (3.2 inches) | 69% | very high |
October Weather | 14°C (58°F) | 103 mm (4.0 inches) | 76% | high |
November Weather | 5°C (42°F) | 93 mm (3.7 inches) | 88% | moderate |
December Weather | 2°C (36°F) | 80 mm (3.2 inches) | 87% | moderate |