August Weather in Arenal, Honduras

Last updated: August 23, 2025

In August, the average temperature in Arenal, Honduras hovers around 24°C (76°F). During this month, you can expect a minimum of 17°C (62°F) and a maximum of 35°C (96°F). With 122 mm (4.8 in) of precipitation spread over 19 days, the region experiences a humidity level of approximately 70%. This blend of warmth and moisture creates a unique climate to enjoy!

August Temperature in Arenal

In August in Arenal, the average temperature is 24°C (76°F). The maximum can reach 35°C (96°F), and the minimum can be as low as 17°C (62°F). This makes Arenal an ideal destination for travelers seeking warm weather and comfortable conditions.

August Weather in Arenal: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Arenal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arenal, August typically has an average temperature of 24°C (76°F), with highs reaching up to 35°C (96°F) and lows dropping to around 17°C (62°F).

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

August Precipitation in Arenal

In Arenal in August, the precipitation amount is 122 mm (4.8 in) over a span of 19 days.

August Precipitation Trends in Arenal

The chart displays monthly precipitation patterns in Arenal, 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 Arenal, August typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 19 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 Arenal

In Arenal in August, humidity is 70%. With an average temperature of 24°C (76°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel a bit sticky and heavier, so travelers should stay hydrated and take regular breaks to enjoy the sights comfortably.

August Average Humidity in Arenal

This chart illustrates the average monthly humidity levels in Arenal, 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 Arenal is approximately 70%, 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 Arenal

In Arenal 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 Arenal, you can check here.

Maximum UV Index Levels in Arenal for August

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

Data source: Arenal 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 Arenal Compares to Other Months

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

This table compares monthly weather conditions in Arenal, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (69°F)	37 mm (1.5 inches)	78%	extreme
February Weather	22°C (71°F)	23 mm (0.9 inches)	74%	extreme
March Weather	23°C (73°F)	25 mm (1.0 inches)	67%	extreme
April Weather	25°C (77°F)	37 mm (1.4 inches)	61%	extreme
May Weather	25°C (78°F)	126 mm (5.0 inches)	59%	extreme
June Weather	25°C (77°F)	131 mm (5.2 inches)	61%	extreme
July Weather	24°C (76°F)	99 mm (3.9 inches)	68%	extreme
August Weather	24°C (76°F)	122 mm (4.8 inches)	70%	extreme
September Weather	24°C (76°F)	125 mm (4.9 inches)	75%	extreme
October Weather	23°C (74°F)	205 mm (8.1 inches)	81%	extreme
November Weather	22°C (71°F)	127 mm (5.0 inches)	82%	very high
December Weather	21°C (69°F)	49 mm (1.9 inches)	75%	very high