August Weather in Puerto Cortes, Costa Rica

Last updated: August 23, 2025

In Puerto Cortes, Costa Rica, the average temperature in August hovers around 24°C (75°F), providing a pleasant climate for visitors. Expect a minimum of 20°C (68°F) and highs reaching 30°C (86°F). Throughout the month, the region experiences around 637 mm (25.1 in) of precipitation over 31 days, combined with an average humidity of 82%. Whether you're enjoying the warm temperatures or preparing for the rain, Puerto Cortes in August is a vibrant destination.

August Temperature in Puerto Cortes

In August in Puerto Cortes, the average temperature is 24°C (75°F). The maximum can reach 30°C (86°F), while the minimum can be as low as 20°C (68°F). This makes it an ideal time to visit for pleasant weather and outdoor activities.

August Weather in Puerto Cortes: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Puerto Cortes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Cortes, August typically has an average temperature of 24°C (75°F), with highs reaching up to 30°C (86°F) and lows dropping to around 20°C (68°F).

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

August Precipitation in Puerto Cortes

In Puerto Cortes in August, the total precipitation amount is 637 mm (25.1 in) over the course of 31 days.

August Precipitation Trends in Puerto Cortes

The chart displays monthly precipitation patterns in Puerto Cortes, 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 Puerto Cortes, August typically receives around 637 mm (25.1 inches) of precipitation spread over approximately 31 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 Puerto Cortes

In Puerto Cortes in August, humidity is 82%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making travel feel sticky and heavy on the skin, often requiring more frequent breaks and hydration.

August Average Humidity in Puerto Cortes

This chart illustrates the average monthly humidity levels in Puerto Cortes, 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 Puerto Cortes is approximately 82%, 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 Puerto Cortes

In Puerto Cortes in August, 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 Puerto Cortes, you can check here.

Maximum UV Index Levels in Puerto Cortes for August

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

Data source: Puerto Cortes 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 Puerto Cortes Compares to Other Months

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

This table compares monthly weather conditions in Puerto Cortes, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	94 mm (3.7 inches)	68%	extreme
February Weather	24°C (76°F)	43 mm (1.7 inches)	68%	extreme
March Weather	25°C (77°F)	54 mm (2.1 inches)	66%	extreme
April Weather	25°C (77°F)	245 mm (9.6 inches)	67%	extreme
May Weather	24°C (76°F)	655 mm (25.8 inches)	69%	extreme
June Weather	24°C (76°F)	622 mm (24.5 inches)	84%	extreme
July Weather	24°C (76°F)	500 mm (19.7 inches)	85%	extreme
August Weather	24°C (75°F)	637 mm (25.1 inches)	82%	extreme
September Weather	24°C (75°F)	579 mm (22.8 inches)	81%	extreme
October Weather	24°C (75°F)	887 mm (34.9 inches)	80%	extreme
November Weather	23°C (74°F)	687 mm (27.0 inches)	80%	extreme
December Weather	24°C (75°F)	198 mm (7.8 inches)	72%	extreme