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August Weather in San Jose, Peru

Last updated: August 27, 2025

In August, the average temperature in San Jose, Peru is a pleasant 19°C (66°F). You can expect a minimum temperature of 13°C (56°F) and a maximum of 27°C (80°F). With only 2 mm (0.1 in) of precipitation over 0 days, the weather is typically dry, complemented by an average humidity of 38%. Enjoy the mild climate!

August Temperature in San Jose

In August in San Jose, the average temperature is 19°C (66°F), with maximums reaching 27°C (80°F) and minimums dropping to as low as 13°C (56°F). This pleasant climate makes it an ideal time for outdoor activities and exploring the local attractions.

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 19°C (66°F), with highs reaching up to 27°C (80°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec777979767269676666686973
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 2 mm (0.1 in) during a span of 0 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 2 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec174585211122219716
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 19°C (66°F), this humidity feels like a comfortable embrace, making it ideal for exploring the local sights and enjoying outdoor activities without feeling overly sticky or weighed down.

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 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 Jose.

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 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141515141311111215141413
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 Weather25°C (78°F)17 mm (0.7 inches)83%extreme
February Weather26°C (80°F)45 mm (1.8 inches)81%extreme
March Weather26°C (80°F)85 mm (3.3 inches)88%extreme
April Weather24°C (76°F)21 mm (0.8 inches)85%extreme
May Weather22°C (72°F)11 mm (0.4 inches)78%extreme
June Weather21°C (69°F)2 mm (0.1 inches)62%extreme
July Weather19°C (67°F)2 mm (0.1 inches)44%extreme
August Weather19°C (66°F)2 mm (0.1 inches)38%extreme
September Weather19°C (67°F)1 mm (0.0 inches)42%extreme
October Weather20°C (68°F)9 mm (0.3 inches)58%extreme
November Weather21°C (70°F)7 mm (0.3 inches)69%extreme
December Weather23°C (73°F)16 mm (0.6 inches)82%extreme

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