August Weather in Guapiles, Costa Rica

Last updated: August 23, 2025

In August, the average temperature in Guapiles, Costa Rica is a pleasant 24°C (76°F). Temperatures can fluctuate, with minimums dipping to 20°C (68°F) and maximums reaching as high as 32°C (89°F). Visitors should be prepared for frequent rain, as the area experiences an average precipitation amount of 203 mm (8.0 in) over 28 days. Additionally, the average humidity hovers around a warm 85%, creating a tropical atmosphere that is perfect for exploring!

August Temperature in Guapiles

In August in Guapiles, the average temperature is 24°C (76°F). Maximums can reach 32°C (89°F), while minimums can drop to as low as 20°C (68°F). This pleasant climate makes Guapiles an ideal destination for travelers seeking comfortable weather and a chance to explore the local attractions.

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

The chart illustrates August temperature patterns in Guapiles, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guapiles, August typically has an average temperature of 24°C (76°F), with highs reaching up to 32°C (89°F) and lows dropping to around 20°C (68°F).

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

August Precipitation in Guapiles

In Guapiles in August, the total precipitation amount is 203 mm (8.0 in) spread over 28 days.

August Precipitation Trends in Guapiles

The chart displays monthly precipitation patterns in Guapiles, 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 Guapiles, August typically receives around 203 mm (8.0 inches) of precipitation spread over approximately 28 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 Guapiles

In Guapiles in August humidity is 85%. With an average temperature of 24°C (76°F), this humidity feels like walking through a warm, thick blanket that envelops you, making every step slightly more laborious and prompting a constant desire for refreshing coolness while exploring.

August Average Humidity in Guapiles

This chart illustrates the average monthly humidity levels in Guapiles, 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 Guapiles is approximately 85%, 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 Guapiles

In Guapiles 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 Guapiles.

Maximum UV Index Levels in Guapiles for August

The chart shows the monthly maximum UV Index (UVI) for Guapiles 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 Guapiles typically reaches 13, which falls under the extreme exposure category.

Data source: Guapiles 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 Guapiles Compares to Other Months

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

This table compares monthly weather conditions in Guapiles, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (72°F)	203 mm (8.0 inches)	71%	extreme
February Weather	22°C (72°F)	86 mm (3.4 inches)	70%	extreme
March Weather	23°C (73°F)	93 mm (3.7 inches)	68%	extreme
April Weather	24°C (75°F)	120 mm (4.7 inches)	69%	extreme
May Weather	24°C (76°F)	356 mm (14.0 inches)	70%	extreme
June Weather	24°C (76°F)	269 mm (10.6 inches)	81%	extreme
July Weather	24°C (75°F)	286 mm (11.3 inches)	88%	extreme
August Weather	24°C (76°F)	203 mm (8.0 inches)	85%	extreme
September Weather	24°C (76°F)	192 mm (7.6 inches)	84%	extreme
October Weather	24°C (75°F)	405 mm (15.9 inches)	82%	extreme
November Weather	23°C (74°F)	334 mm (13.1 inches)	81%	extreme
December Weather	23°C (73°F)	320 mm (12.6 inches)	74%	very high