March Weather in Port Lavaca, United States

Last updated: June 24, 2025

In Port Lavaca, United States, the average temperature for March hovers around 20°C (67°F). Temperatures can vary significantly, with a minimum of 0°C (32°F) and a maximum reaching up to 31°C (87°F). This month sees an average precipitation of 57 mm (2.3 in) over approximately 9 days, while the air maintains a humidity level of around 76%. Stay prepared for a range of weather!

March Temperature in Port Lavaca

In March in Port Lavaca, the average temperature is 20°C (67°F). The maximum can reach 31°C (87°F), and the minimum can be as low as 0°C (32°F). This makes Port Lavaca an ideal destination for travelers seeking a mix of warm days and cooler evenings.

March Weather in Port Lavaca: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Port Lavaca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Lavaca, March typically has an average temperature of 20°C (67°F), with highs reaching up to 31°C (87°F) and lows dropping to around 0°C (32°F).

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

March Precipitation in Port Lavaca

In Port Lavaca in March, the precipitation amount is 57 mm (2.3 in) over the course of 9 days.

March Precipitation Trends in Port Lavaca

The chart displays monthly precipitation patterns in Port Lavaca, 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 Port Lavaca, March typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 9 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 Port Lavaca

In Port Lavaca in March humidity is 76%. With an average temperature of 20°C (67°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities slightly sticky and encouraging travelers to stay hydrated while exploring.

March Average Humidity in Port Lavaca

This chart illustrates the average monthly humidity levels in Port Lavaca, 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 Port Lavaca is approximately 76%, 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 Port Lavaca

In Port Lavaca 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 Port Lavaca.

Maximum UV Index Levels in Port Lavaca for March

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

Data source: Port Lavaca 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 Port Lavaca Compares to Other Months

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

This table compares monthly weather conditions in Port Lavaca, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	14°C (57°F)	52 mm (2.0 inches)	78%	moderate
February Weather	15°C (60°F)	52 mm (2.1 inches)	81%	very high
March Weather	20°C (67°F)	57 mm (2.3 inches)	76%	very high
April Weather	22°C (72°F)	59 mm (2.3 inches)	79%	extreme
May Weather	26°C (79°F)	114 mm (4.5 inches)	79%	extreme
June Weather	28°C (83°F)	141 mm (5.6 inches)	74%	extreme
July Weather	29°C (84°F)	104 mm (4.1 inches)	71%	extreme
August Weather	29°C (85°F)	112 mm (4.4 inches)	68%	extreme
September Weather	27°C (81°F)	148 mm (5.8 inches)	73%	extreme
October Weather	23°C (74°F)	81 mm (3.2 inches)	75%	very high
November Weather	18°C (65°F)	61 mm (2.4 inches)	78%	high
December Weather	16°C (60°F)	64 mm (2.5 inches)	84%	moderate