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March Weather in Louisville, United States

Last updated: June 24, 2025

In March, the average temperature in Louisville, United States reaches a crisp 8°C (47°F). Expect temperature fluctuations, with lows plummeting to -16°C (3°F) and highs soaring to 25°C (77°F). Prepare for a rainy season as the region experiences 135 mm (5.3 in) of precipitation over 13 days, accompanied by an average humidity level of 84%. Stay cozy and enjoy the seasonal charm!

March Temperature in Louisville

In March in Louisville, the average temperature is 8°C (47°F). The maximum can reach 25°C (77°F) and the minimum can be as low as -16°C (3°F). Pack accordingly for a diverse range of weather, as this month can bring both mild and chilly conditions.

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

The chart illustrates March temperature patterns in Louisville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Louisville, March typically has an average temperature of 8°C (47°F), with highs reaching up to 25°C (77°F) and lows dropping to around -16°C (3°F).
JanFebMarAprMayJunJulAugSepOctNovDec333647556877807673604439
Data source: Temperature data for Louisville 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 Louisville

In Louisville in March, the precipitation amount is 135 mm (5.3 in) over the course of 13 days.

March Precipitation Trends in Louisville

The chart displays monthly precipitation patterns in Louisville, 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 Louisville, March typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec88981351211461119897681169385
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Louisville

In Louisville in March, humidity is 84%. With an average temperature of 8°C (47°F), this humidity feels like a damp blanket wrapping around you, making travel feel heavy and a bit lethargic, as the air thickens with moisture and each step becomes a little more cumbersome.

March Average Humidity in Louisville

This chart illustrates the average monthly humidity levels in Louisville, 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 Louisville is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Louisville

In Louisville 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 Louisville.

Maximum UV Index Levels in Louisville for March

The chart shows the monthly maximum UV Index (UVI) for Louisville 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 Louisville typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357911111099643
Data source: Louisville 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 Louisville Compares to Other Months

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

This table compares monthly weather conditions in Louisville, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)88 mm (3.4 inches)84%moderate
February Weather2°C (36°F)98 mm (3.9 inches)82%moderate
March Weather8°C (47°F)135 mm (5.3 inches)84%high
April Weather13°C (56°F)121 mm (4.8 inches)83%very high
May Weather20°C (68°F)146 mm (5.7 inches)80%extreme
June Weather25°C (77°F)111 mm (4.4 inches)83%extreme
July Weather26°C (80°F)98 mm (3.8 inches)82%very high
August Weather25°C (77°F)97 mm (3.8 inches)82%very high
September Weather23°C (73°F)68 mm (2.7 inches)79%very high
October Weather15°C (60°F)116 mm (4.6 inches)79%high
November Weather7°C (44°F)93 mm (3.7 inches)88%moderate
December Weather4°C (39°F)85 mm (3.3 inches)87%moderate

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