May Weather in El Salvador, Mexico

Last updated: August 27, 2025

In El Salvador, Mexico, the average temperature in May hovers around 24°C (76°F). During this time, temperatures can dip as low as 12°C (53°F) and soar to a sizzling 38°C (101°F). Expect about 12 mm (0.5 in) of precipitation spread over just 2 days, while the average humidity levels sit comfortably at 51%.

May Temperature in El Salvador

In May in El Salvador, the average temperature is 24°C (76°F). The maximum can reach 38°C (101°F), while the minimum can be as low as 12°C (53°F). This makes it a great time to explore El Salvador, with warm days perfect for outdoor activities and cool evenings ideal for relaxation.

May Weather in El Salvador: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in El Salvador, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Salvador, May typically has an average temperature of 24°C (76°F), with highs reaching up to 38°C (101°F) and lows dropping to around 12°C (53°F).

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

May Precipitation in El Salvador

In El Salvador in May, the precipitation amount is 12 mm (0.5 in) over the course of 2 days.

May Precipitation Trends in El Salvador

The chart displays monthly precipitation patterns in El Salvador, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In El Salvador, May typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 2 days.

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

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Millimeters (mm) Inches (in)

May Humidity in El Salvador

In El Salvador in May humidity is 51%. With an average temperature of 24°C (76°F), this humidity feels like a warm, gentle embrace, making it comfortable for exploring outdoor attractions while still requiring occasional breaks in the shade to stay refreshed.

May Average Humidity in El Salvador

This chart illustrates the average monthly humidity levels in El Salvador, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in El Salvador is approximately 51%, offering insight into how humid the weather typically is during this month.

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

May UV Index in El Salvador

In El Salvador in May, 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 El Salvador, you can check here.

Maximum UV Index Levels in El Salvador for May

The chart shows the monthly maximum UV Index (UVI) for El Salvador in May, 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 May, the maximum UV index in El Salvador typically reaches 14, which falls under the extreme exposure category.

Data source: El Salvador May 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 May Weather in El Salvador Compares to Other Months

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

This table compares monthly weather conditions in El Salvador, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (64°F)	10 mm (0.4 inches)	64%	very high
February Weather	19°C (66°F)	15 mm (0.6 inches)	57%	extreme
March Weather	21°C (71°F)	2 mm (0.1 inches)	46%	extreme
April Weather	23°C (73°F)	1 mm (0.0 inches)	42%	extreme
May Weather	24°C (76°F)	12 mm (0.5 inches)	51%	extreme
June Weather	25°C (76°F)	76 mm (3.0 inches)	74%	extreme
July Weather	22°C (73°F)	201 mm (7.9 inches)	79%	extreme
August Weather	23°C (73°F)	177 mm (7.0 inches)	81%	extreme
September Weather	22°C (72°F)	187 mm (7.3 inches)	84%	extreme
October Weather	22°C (71°F)	63 mm (2.5 inches)	75%	extreme
November Weather	20°C (68°F)	15 mm (0.6 inches)	71%	very high
December Weather	18°C (64°F)	13 mm (0.5 inches)	74%	very high