March Weather in Louisiana, United States

Last updated: June 24, 2025

In March, the average temperature in Louisiana, United States hovers around 7°C (45°F). Be prepared for a range of temperatures: the minimum can dip to -17°C (2°F), while the maximum can rise to a warm 26°C (79°F). Throughout the month, expect about 133 mm (5.2 in) of precipitation over 12 days, accompanied by an average humidity of 80%.

March Temperature in Louisiana

In March in Louisiana, the average temperature is 7°C (45°F). The maximum can reach 26°C (79°F), and the minimum can be as low as -17°C (2°F). Travelers should be prepared for a wide range of temperatures, making layered clothing essential for enjoying all that Louisiana has to offer during this month.

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

The chart illustrates March temperature patterns in Louisiana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Louisiana, March typically has an average temperature of 7°C (45°F), with highs reaching up to 26°C (79°F) and lows dropping to around -17°C (2°F).

Data source: Temperature data for Louisiana generated using information from the Copernicus Climate Change Service.

March Precipitation in Louisiana

In Louisiana in March, the precipitation amount is 133 mm (5.2 in) spread over 12 days.

March Precipitation Trends in Louisiana

The chart displays monthly precipitation patterns in Louisiana, 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 Louisiana, March typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

March Humidity in Louisiana

In Louisiana in March, humidity is 80%. With an average temperature of 7°C (45°F), this humidity feels like you're wrapped in a damp blanket, making it quite uncomfortable for traveling and leaving you feeling chilly and clammy as you explore the area.

March Average Humidity in Louisiana

This chart illustrates the average monthly humidity levels in Louisiana, 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 Louisiana is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Louisiana

In Louisiana 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 Louisiana.

Maximum UV Index Levels in Louisiana for March

The chart shows the monthly maximum UV Index (UVI) for Louisiana 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 Louisiana typically reaches 7, which falls under the high exposure category.

Data source: Louisiana 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 Louisiana Compares to Other Months

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

This table compares monthly weather conditions in Louisiana, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	67 mm (2.6 inches)	82%	moderate
February Weather	0°C (33°F)	63 mm (2.5 inches)	80%	moderate
March Weather	7°C (45°F)	133 mm (5.2 inches)	80%	high
April Weather	12°C (54°F)	115 mm (4.5 inches)	80%	very high
May Weather	19°C (66°F)	168 mm (6.6 inches)	82%	very high
June Weather	24°C (76°F)	115 mm (4.5 inches)	83%	extreme
July Weather	26°C (79°F)	111 mm (4.4 inches)	81%	extreme
August Weather	24°C (75°F)	112 mm (4.4 inches)	80%	very high
September Weather	22°C (71°F)	76 mm (3.0 inches)	76%	very high
October Weather	14°C (58°F)	103 mm (4.0 inches)	76%	high
November Weather	6°C (43°F)	65 mm (2.6 inches)	85%	moderate
December Weather	3°C (37°F)	48 mm (1.9 inches)	86%	moderate