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August Weather in La Union, Guatemala

Last updated: August 23, 2025

In La Union, Guatemala, the average temperature in August hovers around 24°C (76°F), providing a pleasant climate for exploration. Expect minimums of 19°C (66°F) and highs reaching up to 33°C (92°F). However, be prepared for a fair bit of rain, with 266 mm (10.5 in) of precipitation spread over 28 days. The air tends to be quite humid, with an average humidity of 63%, adding to the tropical ambiance of the region.

August Temperature in La Union

In August in La Union, the average temperature is 24°C (76°F). Maximums can reach 33°C (92°F) and minimums can be as low as 19°C (66°F). This makes La Union an ideal destination for travelers seeking pleasant, warm weather.

August Weather in La Union: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in La Union, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Union, August typically has an average temperature of 24°C (76°F), with highs reaching up to 33°C (92°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec697172777877757576757169
Data source: Temperature data for La Union 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 La Union

In La Union in August, the precipitation amount is 266 mm (10.5 in) during a period of 28 days.

August Precipitation Trends in La Union

The chart displays monthly precipitation patterns in La Union, 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 La Union, August typically receives around 266 mm (10.5 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec8675795621332324126627528618098
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in La Union

In La Union in August humidity is 63%. With an average temperature of 24°C (76°F), this humidity feels like a warm embrace, making it perfect for exploring outdoor attractions while ensuring that travelers stay refreshed with plenty of water breaks.

August Average Humidity in La Union

This chart illustrates the average monthly humidity levels in La Union, 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 La Union is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%72%61%53%51%52%58%63%71%79%79%74%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in La Union

In La Union 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 La Union, you can check here.

Maximum UV Index Levels in La Union for August

The chart shows the monthly maximum UV Index (UVI) for La Union 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 La Union typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141314141312109
Data source: La Union 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 La Union Compares to Other Months

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

This table compares monthly weather conditions in La Union, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (69°F)86 mm (3.4 inches)80%very high
February Weather22°C (71°F)75 mm (3.0 inches)72%extreme
March Weather22°C (73°F)78 mm (3.1 inches)61%extreme
April Weather25°C (77°F)56 mm (2.2 inches)53%extreme
May Weather25°C (78°F)213 mm (8.4 inches)51%extreme
June Weather25°C (77°F)323 mm (12.7 inches)52%extreme
July Weather24°C (75°F)241 mm (9.5 inches)58%extreme
August Weather24°C (76°F)266 mm (10.5 inches)63%extreme
September Weather24°C (76°F)275 mm (10.8 inches)71%extreme
October Weather24°C (75°F)286 mm (11.3 inches)79%extreme
November Weather22°C (71°F)180 mm (7.1 inches)79%very high
December Weather21°C (70°F)98 mm (3.8 inches)74%very high

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