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August Weather in Guastatoya, Guatemala

Last updated: August 23, 2025

In August, the average temperature in Guastatoya, Guatemala is a pleasant 22°C (71°F). Visitors can expect a range from a minimum of 14°C (58°F) to a maximum of 31°C (88°F). Be prepared for some rain, with 153 mm (6.0 in) expected over 21 days, and a notable average humidity of 82%.

August Temperature in Guastatoya

In August in Guastatoya, the average temperature is 22°C (71°F). The maximum can reach 31°C (88°F), while the minimum can drop to as low as 14°C (58°F). This moderate climate makes it an ideal time for outdoor activities and exploring the area.

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

The chart illustrates August temperature patterns in Guastatoya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guastatoya, August typically has an average temperature of 22°C (71°F), with highs reaching up to 31°C (88°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec656869737371707171706765
Data source: Temperature data for Guastatoya 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 Guastatoya

In Guastatoya in August, the precipitation amount is 153 mm (6.0 in) spread over 21 days.

August Precipitation Trends in Guastatoya

The chart displays monthly precipitation patterns in Guastatoya, 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 Guastatoya, August typically receives around 153 mm (6.0 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec95742150238931531871774714
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Guastatoya

In Guastatoya in August, humidity is 82%. With an average temperature of 22°C (71°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel laborious and sweat-dripping, urging travelers to stay hydrated and seek the shade more often.

August Average Humidity in Guastatoya

This chart illustrates the average monthly humidity levels in Guastatoya, 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 Guastatoya is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%68%59%57%65%66%75%82%82%83%80%76%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Guastatoya

In Guastatoya 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 Guastatoya, you can check here.

Maximum UV Index Levels in Guastatoya for August

The chart shows the monthly maximum UV Index (UVI) for Guastatoya 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 Guastatoya typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131515141414141413109
Data source: Guastatoya 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 Guastatoya Compares to Other Months

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

This table compares monthly weather conditions in Guastatoya, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)9 mm (0.3 inches)76%extreme
February Weather20°C (68°F)5 mm (0.2 inches)68%extreme
March Weather21°C (69°F)7 mm (0.3 inches)59%extreme
April Weather23°C (73°F)42 mm (1.7 inches)57%extreme
May Weather23°C (73°F)150 mm (5.9 inches)65%extreme
June Weather22°C (71°F)238 mm (9.4 inches)66%extreme
July Weather21°C (71°F)93 mm (3.7 inches)75%extreme
August Weather22°C (71°F)153 mm (6.0 inches)82%extreme
September Weather21°C (71°F)187 mm (7.3 inches)82%extreme
October Weather21°C (70°F)177 mm (7.0 inches)83%extreme
November Weather20°C (67°F)47 mm (1.8 inches)80%very high
December Weather19°C (66°F)14 mm (0.5 inches)76%very high

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