August Weather in San Juan, Bolivia

Last updated: August 22, 2025

In August, the average temperature in San Juan, Bolivia hovers around 12°C (53°F). Expect minimums that can dip to -5°C (23°F) and maximums reaching up to 28°C (82°F). The region experiences light rain, with a total precipitation of 7 mm (0.3 in) spread over just 2 days. With an average humidity of 43%, the weather balances between comfortable and crisp, making it an intriguing time to visit!

August Temperature in San Juan

In August in San Juan, the average temperature is 12°C (53°F), with maximums reaching 28°C (82°F) and minimums dropping to -5°C (23°F). This diverse range of temperatures makes San Juan an ideal destination for travelers seeking both mild daytime weather and cooler evenings.

August Weather in San Juan: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in San Juan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juan, August typically has an average temperature of 12°C (53°F), with highs reaching up to 28°C (82°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec605858575552515357606059
Data source: Temperature data for San Juan 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 San Juan

In San Juan in August, the precipitation amount is 7 mm (0.3 in) over a period of 2 days.

August Precipitation Trends in San Juan

The chart displays monthly precipitation patterns in San Juan, 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 San Juan, August typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec98117933611487284860116
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in San Juan

In San Juan in August humidity is 43%. With an average temperature of 12°C (53°F), this humidity feels like a crisp, refreshing breeze that invigorates your senses, making it ideal for exploring the outdoors without excessive sweat, allowing travelers to enjoy sightseeing and activities comfortably.

August Average Humidity in San Juan

This chart illustrates the average monthly humidity levels in San Juan, 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 San Juan is approximately 43%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%90%87%82%59%47%43%60%67%71%79%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in San Juan

In San Juan in August, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Juan.

Maximum UV Index Levels in San Juan for August

The chart shows the monthly maximum UV Index (UVI) for San Juan 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 San Juan typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1818161411891214171818
Data source: San Juan 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 San Juan Compares to Other Months

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

This table compares monthly weather conditions in San Juan, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (60°F)98 mm (3.9 inches)87%extreme
February Weather15°C (59°F)117 mm (4.6 inches)88%extreme
March Weather14°C (58°F)93 mm (3.7 inches)89%extreme
April Weather14°C (57°F)36 mm (1.4 inches)87%extreme
May Weather13°C (55°F)11 mm (0.4 inches)82%extreme
June Weather11°C (52°F)4 mm (0.2 inches)59%very high
July Weather11°C (51°F)8 mm (0.3 inches)47%very high
August Weather12°C (53°F)7 mm (0.3 inches)43%extreme
September Weather14°C (58°F)28 mm (1.1 inches)60%extreme
October Weather16°C (60°F)48 mm (1.9 inches)67%extreme
November Weather16°C (61°F)60 mm (2.4 inches)71%extreme
December Weather15°C (60°F)116 mm (4.6 inches)79%extreme

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