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August Weather in San Jose, Peru

Last updated: August 27, 2025

In August, the average temperature in San Jose, Peru hovers around 15°C (60°F), with a comfortable range between a minimum of 8°C (46°F) and a maximum of 23°C (74°F). Expect 142 mm (5.6 in) of precipitation spread over 27 days, bringing an average humidity of 38%. Perfect for a cozy day indoors or a refreshing stroll outside!

August Temperature in San Jose

In August in San Jose, the average temperature is 15°C (60°F). The maximum can reach 23°C (74°F), while the minimum can dip as low as 8°C (46°F). This mild climate makes it an ideal time for exploring and enjoying outdoor activities.

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

The chart illustrates August temperature patterns in San Jose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose, August typically has an average temperature of 15°C (60°F), with highs reaching up to 23°C (74°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec626362626160595960626363
Data source: Temperature data for San Jose 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 Jose

In San Jose in August, the precipitation amount is 142 mm (5.6 in) spread over 27 days.

August Precipitation Trends in San Jose

The chart displays monthly precipitation patterns in San Jose, 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 Jose, August typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec222222257207157131143142133183167247
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in San Jose

In San Jose in August, humidity is 38%. With an average temperature of 15°C (60°F), this humidity feels like a refreshing breeze, making it comfortable for traveling as it creates a pleasant environment for exploring without the discomfort of excessive moisture.

August Average Humidity in San Jose

This chart illustrates the average monthly humidity levels in San Jose, 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 Jose is approximately 38%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%88%85%78%62%44%38%42%58%69%82%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in San Jose

In San Jose 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 San Jose, you can check here.

Maximum UV Index Levels in San Jose for August

The chart shows the monthly maximum UV Index (UVI) for San Jose 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 Jose typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171718181513131416171616
Data source: San Jose 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 Jose Compares to Other Months

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

This table compares monthly weather conditions in San Jose, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (62°F)222 mm (8.8 inches)83%extreme
February Weather17°C (63°F)221 mm (8.7 inches)81%extreme
March Weather17°C (62°F)257 mm (10.1 inches)88%extreme
April Weather16°C (62°F)207 mm (8.1 inches)85%extreme
May Weather16°C (62°F)157 mm (6.2 inches)78%extreme
June Weather16°C (61°F)131 mm (5.1 inches)62%extreme
July Weather15°C (59°F)143 mm (5.6 inches)44%extreme
August Weather15°C (60°F)142 mm (5.6 inches)38%extreme
September Weather16°C (60°F)133 mm (5.3 inches)42%extreme
October Weather16°C (62°F)183 mm (7.2 inches)58%extreme
November Weather17°C (63°F)167 mm (6.6 inches)69%extreme
December Weather17°C (63°F)247 mm (9.7 inches)82%extreme

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