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March Weather in Indianapolis, United States

Last updated: June 24, 2025

In Indianapolis, United States, the average temperature in March hovers around 6°C (43°F). During this time, you might experience a temperature range from a chilly -16°C (4°F) to a pleasant 24°C (75°F). Expect a precipitation total of 127 mm (5.0 in) spread over approximately 13 days, contributing to a high average humidity of 86%.

March Temperature in Indianapolis

In March in Indianapolis, the average temperature is 6°C (43°F), with maximums reaching 24°C (75°F) and minimums dropping as low as -16°C (4°F). Be prepared for a wide range of temperatures when traveling to Indianapolis during this time.

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

The chart illustrates March 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, March typically has an average temperature of 6°C (43°F), with highs reaching up to 24°C (75°F) and lows dropping to around -16°C (4°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.

March Precipitation in Indianapolis

In Indianapolis in March, the total precipitation amount is 127 mm (5.0 in) spread over 13 days.

March Precipitation Trends in Indianapolis

The chart displays monthly precipitation patterns in Indianapolis, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Indianapolis, March typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec829312794132107108101801039380
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Indianapolis

In Indianapolis in March humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.

March Average Humidity in Indianapolis

This chart illustrates the average monthly humidity levels in Indianapolis, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Indianapolis is approximately 86%, 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 March generated using information from the Copernicus Climate Change Service.

March UV Index in Indianapolis

In Indianapolis in March, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Indianapolis.

Maximum UV Index Levels in Indianapolis for March

The chart shows the monthly maximum UV Index (UVI) for Indianapolis in March, 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 March, the maximum UV index in Indianapolis typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111098643
Data source: Indianapolis March 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 March 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 March’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 March’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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