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August Weather in Cala Sur, Mexico

Last updated: August 27, 2025

In August, the average temperature in Cala Sur, Mexico hovers around 17°C (64°F), with a comfortable range from a minimum of 10°C (50°F) to a pleasant maximum of 26°C (79°F). Expect a significant amount of rainfall, with 322 mm (12.7 in) over the month, contributing to an average humidity of 70%. Perfect weather for enjoying the lush scenery!

August Temperature in Cala Sur

In August in Cala Sur, the average temperature is 17°C (64°F). Maximums can reach 26°C (79°F), and minimums can be as low as 10°C (50°F). This mild climate makes Cala Sur an ideal destination for travelers seeking comfortable weather for outdoor activities.

August Weather in Cala Sur: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Cala Sur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cala Sur, August typically has an average temperature of 17°C (64°F), with highs reaching up to 26°C (79°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec545760636564636363615755
Data source: Temperature data for Cala Sur generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Cala Sur

In Cala Sur in August, the precipitation amount is 322 mm (12.7 in) over the course of 30 days.

August Precipitation Trends in Cala Sur

The chart displays monthly precipitation patterns in Cala Sur, 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 Cala Sur, August typically receives around 322 mm (12.7 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec70507911315526424332236323110140
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Cala Sur

In Cala Sur in August, humidity is 70%. With an average temperature of 17°C (64°F), this humidity feels like a warm blanket wrapping around you, making traveling a bit sticky but still enjoyable as you explore the sights while staying hydrated.

August Average Humidity in Cala Sur

This chart illustrates the average monthly humidity levels in Cala Sur, 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 Cala Sur is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%75%71%77%76%68%70%82%91%89%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Cala Sur

In Cala Sur 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 Cala Sur, you can check here.

Maximum UV Index Levels in Cala Sur for August

The chart shows the monthly maximum UV Index (UVI) for Cala Sur 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 Cala Sur typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151515141413109
Data source: Cala Sur 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 Cala Sur Compares to Other Months

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

This table compares monthly weather conditions in Cala Sur, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)70 mm (2.7 inches)84%very high
February Weather14°C (58°F)50 mm (2.0 inches)78%extreme
March Weather15°C (60°F)79 mm (3.1 inches)75%extreme
April Weather17°C (63°F)113 mm (4.5 inches)70%extreme
May Weather18°C (65°F)155 mm (6.1 inches)77%extreme
June Weather18°C (64°F)264 mm (10.4 inches)76%extreme
July Weather17°C (64°F)243 mm (9.6 inches)68%extreme
August Weather17°C (64°F)322 mm (12.7 inches)70%extreme
September Weather17°C (63°F)363 mm (14.3 inches)82%extreme
October Weather16°C (61°F)230 mm (9.1 inches)91%extreme
November Weather14°C (57°F)101 mm (4.0 inches)89%very high
December Weather13°C (55°F)40 mm (1.6 inches)88%very high

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