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March Weather in Louisville, United States

Last updated: June 24, 2025

In March, the average temperature in Louisville, United States hovers around 15°C (59°F), but expect a range from a chilly -5°C (24°F) to a warm 31°C (88°F). With 130 mm (5.1 in) of precipitation over approximately 12 days, it's wise to keep an umbrella handy. Additionally, the air tends to be quite humid, with an average of 82% humidity, adding to the overall weather experience.

March Temperature in Louisville

In March in Louisville, the average temperature is 15°C (59°F). The maximum can reach 31°C (88°F), and the minimum can be as low as -5°C (24°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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 15°C (59°F), with highs reaching up to 31°C (88°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec475259637378818077675350
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 130 mm (5.1 in) over a span of 12 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 130 mm (5.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1101811301671271641201309511167120
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 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%82%79%82%77%74%73%85%88%
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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119864
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 Weather8°C (47°F)110 mm (4.3 inches)85%moderate
February Weather11°C (52°F)181 mm (7.1 inches)84%high
March Weather15°C (59°F)130 mm (5.1 inches)82%very high
April Weather17°C (64°F)167 mm (6.6 inches)82%very high
May Weather23°C (73°F)127 mm (5.0 inches)82%extreme
June Weather26°C (78°F)164 mm (6.4 inches)79%extreme
July Weather27°C (81°F)120 mm (4.7 inches)82%extreme
August Weather27°C (80°F)130 mm (5.1 inches)77%extreme
September Weather25°C (77°F)95 mm (3.7 inches)74%very high
October Weather20°C (68°F)111 mm (4.4 inches)73%very high
November Weather12°C (54°F)67 mm (2.6 inches)85%high
December Weather10°C (51°F)120 mm (4.7 inches)88%moderate

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