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July Weather in San Isidro, Peru

Last updated: August 27, 2025

In San Isidro, Peru, the average temperature in July is a pleasant 25°C (77°F). However, you can expect a minimum of 16°C (61°F) and a maximum reaching up to 33°C (91°F). With an average humidity of 74%, the month also brings 159 mm (6.3 in) of precipitation spread over 22 days. Be prepared for a mix of warm days and occasional rain!

July Temperature in San Isidro

In July in San Isidro, the average temperature is 25°C (77°F). Maximums can reach 33°C (91°F), while minimums can drop to as low as 16°C (61°F). This pleasant climate makes it an ideal time for travelers seeking comfortable weather and outdoor activities.

July Weather in San Isidro: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in San Isidro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Isidro, July typically has an average temperature of 25°C (77°F), with highs reaching up to 33°C (91°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec787978787878777879797978
Data source: Temperature data for San Isidro 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.

July Precipitation in San Isidro

In San Isidro in July, the total precipitation amount is 159 mm (6.3 in) over the course of 22 days.

July Precipitation Trends in San Isidro

The chart displays monthly precipitation patterns in San Isidro, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In San Isidro, July typically receives around 159 mm (6.3 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec275284329323245186159121176211245322
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in San Isidro

In San Isidro in July humidity is 74%. With an average temperature of 25°C (77°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit more challenging as you find yourself sticky and in need of frequent breaks to hydrate and cool down.

July Average Humidity in San Isidro

This chart illustrates the average monthly humidity levels in San Isidro, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in San Isidro is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%79%82%85%91%85%74%59%55%57%74%87%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in San Isidro

In San Isidro in July, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in San Isidro.

Maximum UV Index Levels in San Isidro for July

The chart shows the monthly maximum UV Index (UVI) for San Isidro in July, 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 July, the maximum UV index in San Isidro typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161312111214141313
Data source: San Isidro July 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 July Weather in San Isidro Compares to Other Months

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

This table compares monthly weather conditions in San Isidro, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)275 mm (10.8 inches)83%extreme
February Weather26°C (79°F)284 mm (11.2 inches)78%extreme
March Weather26°C (79°F)329 mm (13.0 inches)82%extreme
April Weather26°C (79°F)323 mm (12.7 inches)85%extreme
May Weather26°C (78°F)245 mm (9.7 inches)91%extreme
June Weather25°C (78°F)186 mm (7.3 inches)85%extreme
July Weather25°C (77°F)159 mm (6.3 inches)74%extreme
August Weather26°C (78°F)121 mm (4.8 inches)59%extreme
September Weather26°C (79°F)175 mm (6.9 inches)55%extreme
October Weather26°C (79°F)211 mm (8.3 inches)57%extreme
November Weather26°C (79°F)245 mm (9.6 inches)74%extreme
December Weather26°C (79°F)322 mm (12.7 inches)87%extreme

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