August Weather in El Rosario, El Salvador

Last updated: August 23, 2025

In August, the average temperature in El Rosario, El Salvador hovers around 27°C (80°F), making it a warm destination. Visitors can expect a comfortable range, with minimum temperatures dipping to 23°C (73°F) and maximums soaring to 32°C (90°F). However, brace for some rainfall, as the region receives an average precipitation of 256 mm (10.1 in) spread over 24 days. With an average humidity of 79%, it's advisable to stay hydrated and enjoy the tropical vibe!

August Temperature in El Rosario

In August in El Rosario, the average temperature is 27°C (80°F), with maximums reaching 32°C (90°F) and minimums dropping to as low as 23°C (73°F). This climate makes it an ideal time for travelers looking to enjoy warm weather while exploring the vibrant sights of El Rosario.

August Weather in El Rosario: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in El Rosario, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Rosario, August typically has an average temperature of 27°C (80°F), with highs reaching up to 32°C (90°F) and lows dropping to around 23°C (73°F).

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

August Precipitation in El Rosario

In El Rosario in August, the total precipitation amount is 256 mm (10.1 in) spread over 24 days.

August Precipitation Trends in El Rosario

The chart displays monthly precipitation patterns in El Rosario, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In El Rosario, August typically receives around 256 mm (10.1 inches) of precipitation spread over approximately 24 days.

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

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Millimeters (mm) Inches (in)

August Humidity in El Rosario

In El Rosario in August humidity is 79%. With an average temperature of 27°C (80°F), this humidity feels like walking through a warm, dense blanket, making travel feel sluggish and allowing every step to become noticeably heavier.

August Average Humidity in El Rosario

This chart illustrates the average monthly humidity levels in El Rosario, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in El Rosario is approximately 79%, offering insight into how humid the weather typically is during this month.

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

August UV Index in El Rosario

In El Rosario in August, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in El Rosario.

Maximum UV Index Levels in El Rosario for August

The chart shows the monthly maximum UV Index (UVI) for El Rosario in August, 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 August, the maximum UV index in El Rosario typically reaches 13, which falls under the extreme exposure category.

Data source: El Rosario August 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 August Weather in El Rosario Compares to Other Months

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

This table compares monthly weather conditions in El Rosario, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	3 mm (0.1 inches)	63%	extreme
February Weather	26°C (80°F)	5 mm (0.2 inches)	62%	extreme
March Weather	27°C (81°F)	7 mm (0.3 inches)	59%	extreme
April Weather	27°C (81°F)	45 mm (1.8 inches)	59%	extreme
May Weather	27°C (80°F)	287 mm (11.3 inches)	59%	extreme
June Weather	26°C (80°F)	316 mm (12.4 inches)	68%	extreme
July Weather	27°C (81°F)	145 mm (5.7 inches)	77%	extreme
August Weather	27°C (80°F)	256 mm (10.1 inches)	79%	extreme
September Weather	26°C (79°F)	290 mm (11.4 inches)	77%	extreme
October Weather	26°C (79°F)	349 mm (13.7 inches)	77%	extreme
November Weather	26°C (79°F)	74 mm (2.9 inches)	75%	very high
December Weather	26°C (79°F)	7 mm (0.3 inches)	66%	very high