March Weather in Donaldsonville, United States

Last updated: June 24, 2025

In March, the average temperature in Donaldsonville, United States is a comfortable 18°C (65°F), with lows dipping to 0°C (33°F) and highs reaching up to 30°C (87°F). Expect some variability in weather, as precipitation averages 69 mm (2.7 in) spread over 9 days, contributing to a humidity level of 79%. Perfect for those who enjoy a refreshing climate!

March Temperature in Donaldsonville

In March in Donaldsonville, the average temperature is 18°C (65°F), with maximums reaching 30°C (87°F) and minimums dropping as low as 0°C (33°F). Pack accordingly to enjoy a comfortable trip, as you'll experience a range of temperatures during your stay.

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

The chart illustrates March temperature patterns in Donaldsonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Donaldsonville, March typically has an average temperature of 18°C (65°F), with highs reaching up to 30°C (87°F) and lows dropping to around 0°C (33°F).

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

March Precipitation in Donaldsonville

In Donaldsonville in March, the precipitation amount is 69 mm (2.7 in) spread over 9 days.

March Precipitation Trends in Donaldsonville

The chart displays monthly precipitation patterns in Donaldsonville, 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 Donaldsonville, March typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Donaldsonville

In Donaldsonville in March, humidity is 79%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm mist, making traveling slightly uncomfortable and sticky, but offering a refreshing escape when you find moments of shade or a breeze.

March Average Humidity in Donaldsonville

This chart illustrates the average monthly humidity levels in Donaldsonville, 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 Donaldsonville is approximately 79%, 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 Donaldsonville

In Donaldsonville in March, 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 Donaldsonville.

Maximum UV Index Levels in Donaldsonville for March

The chart shows the monthly maximum UV Index (UVI) for Donaldsonville 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 Donaldsonville typically reaches 9, which falls under the very high exposure category.

Data source: Donaldsonville 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 Donaldsonville Compares to Other Months

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

This table compares monthly weather conditions in Donaldsonville, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	95 mm (3.8 inches)	81%	moderate
February Weather	15°C (60°F)	112 mm (4.4 inches)	81%	very high
March Weather	18°C (65°F)	69 mm (2.7 inches)	79%	very high
April Weather	21°C (69°F)	118 mm (4.6 inches)	81%	extreme
May Weather	25°C (77°F)	138 mm (5.4 inches)	77%	extreme
June Weather	27°C (81°F)	207 mm (8.2 inches)	74%	extreme
July Weather	28°C (82°F)	220 mm (8.7 inches)	74%	extreme
August Weather	28°C (82°F)	220 mm (8.7 inches)	73%	extreme
September Weather	26°C (80°F)	166 mm (6.5 inches)	79%	extreme
October Weather	23°C (73°F)	118 mm (4.6 inches)	77%	very high
November Weather	16°C (61°F)	67 mm (2.6 inches)	81%	high
December Weather	14°C (58°F)	105 mm (4.1 inches)	84%	moderate