March Weather in La Union, El Salvador

Last updated: August 23, 2025

In March, the average temperature in La Union, El Salvador reaches a warm 28°C (83°F). Temperatures can vary, with a minimum of 25°C (78°F) and a maximum of 33°C (91°F). You'll experience a touch of humidity at 59%, along with a light sprinkle of 4 mm (0.2 in) of precipitation spread over just 1 day. Enjoy the delightful warmth of this vibrant destination!

March Temperature in La Union

In March in La Union, the average temperature is 28°C (83°F). The maximum can reach 33°C (91°F) and the minimum can be as low as 25°C (78°F). This pleasant and warm climate makes it an ideal destination for travelers looking to enjoy outdoor activities and explore the local attractions.

March Weather in La Union: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in La Union, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Union, March typically has an average temperature of 28°C (83°F), with highs reaching up to 33°C (91°F) and lows dropping to around 25°C (78°F).

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

March Precipitation in La Union

In La Union in March, the precipitation amount is 4 mm (0.2 in) during 1 day.

March Precipitation Trends in La Union

The chart displays monthly precipitation patterns in La Union, 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 La Union, March typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 1 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 La Union

In La Union in March humidity is 59%. With an average temperature of 28°C (83°F), this humidity feels like a warm embrace, making traveling a little sticky but overall comfortable as long as you stay hydrated and take breaks in the shade.

March Average Humidity in La Union

This chart illustrates the average monthly humidity levels in La Union, 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 La Union is approximately 59%, 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 La Union

In La Union in March, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in La Union, you can check here.

Maximum UV Index Levels in La Union for March

The chart shows the monthly maximum UV Index (UVI) for La Union 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 La Union typically reaches 14, which falls under the extreme exposure category.

Data source: La Union 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 La Union Compares to Other Months

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

This table compares monthly weather conditions in La Union, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (82°F)	2 mm (0.1 inches)	63%	very high
February Weather	28°C (82°F)	3 mm (0.1 inches)	62%	extreme
March Weather	28°C (83°F)	4 mm (0.2 inches)	59%	extreme
April Weather	28°C (83°F)	37 mm (1.5 inches)	59%	extreme
May Weather	28°C (83°F)	275 mm (10.8 inches)	59%	extreme
June Weather	28°C (83°F)	335 mm (13.2 inches)	68%	extreme
July Weather	29°C (85°F)	76 mm (3.0 inches)	77%	extreme
August Weather	28°C (83°F)	259 mm (10.2 inches)	79%	extreme
September Weather	28°C (82°F)	314 mm (12.3 inches)	77%	extreme
October Weather	27°C (81°F)	431 mm (17.0 inches)	77%	extreme
November Weather	28°C (83°F)	59 mm (2.3 inches)	75%	very high
December Weather	28°C (82°F)	3 mm (0.1 inches)	66%	very high