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April Weather in San Isidro, Peru

Last updated: August 27, 2025

In April, the average temperature in San Isidro, Peru hovers around 26°C (79°F), with a comfortable minimum of 21°C (70°F) and a warm maximum reaching 33°C (92°F). Expect a significant amount of precipitation, totaling 323 mm (12.7 in) over 28 days, contributing to the region's average humidity of 85%. Perfect for those who enjoy a lush, vibrant atmosphere!

April Temperature in San Isidro

In April, in San Isidro, the average temperature is 26°C (79°F). The maximum can reach 33°C (92°F) and the minimum can be as low as 21°C (70°F). This pleasant climate makes San Isidro an ideal destination for travelers seeking warm weather and outdoor activities.

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

The chart illustrates April 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, April typically has an average temperature of 26°C (79°F), with highs reaching up to 33°C (92°F) and lows dropping to around 21°C (70°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.

April Precipitation in San Isidro

In San Isidro in April, the total precipitation amount is 323 mm (12.7 in) over the course of 28 days.

April Precipitation Trends in San Isidro

The chart displays monthly precipitation patterns in San Isidro, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In San Isidro, April typically receives around 323 mm (12.7 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec275284329323245186159121176211245322
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in San Isidro

In San Isidro in April, humidity is 85%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities feel stifling and exhausting for travelers.

April Average Humidity in San Isidro

This chart illustrates the average monthly humidity levels in San Isidro, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in San Isidro is approximately 85%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in San Isidro

In San Isidro in April, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in San Isidro.

Maximum UV Index Levels in San Isidro for April

The chart shows the monthly maximum UV Index (UVI) for San Isidro in April, 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 April, the maximum UV index in San Isidro typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161312111214141313
Data source: San Isidro April 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 April 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 April’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 April’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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