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March Weather in San Isidro, Peru

Last updated: August 27, 2025

In March, the average temperature in San Isidro, Peru is a pleasant 22°C (72°F). Expect a minimum of 17°C (64°F) and a maximum of 27°C (81°F), creating a comfortable climate for outdoor activities. However, be prepared for some rain, as 50 mm (2.0 in) of precipitation typically falls over 14 days. Don’t forget that the average humidity is quite high at 90%, contributing to a lush, vibrant atmosphere!

March Temperature in San Isidro

In March in San Isidro, the average temperature is 22°C (72°F), with maximums reaching up to 27°C (81°F) and minimums dropping as low as 17°C (64°F). This mild climate makes it an ideal time for travelers to explore the area comfortably.

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

The chart illustrates March 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, March typically has an average temperature of 22°C (72°F), with highs reaching up to 27°C (81°F) and lows dropping to around 17°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec707272696664636262636567
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.

March Precipitation in San Isidro

In San Isidro in March, the precipitation amount is 50 mm (2.0 in) spread across 14 days.

March Precipitation Trends in San Isidro

The chart displays monthly precipitation patterns in San Isidro, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In San Isidro, March typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec4753501891011101010917
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in San Isidro

In San Isidro in March humidity is 90%. With an average temperature of 22°C (72°F), this humidity feels like a heavy blanket enveloping you, making each step feel sluggish and every breath more labored, which can be quite challenging for traveling.

March Average Humidity in San Isidro

This chart illustrates the average monthly humidity levels in San Isidro, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in San Isidro is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%90%89%83%69%56%51%53%68%82%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in San Isidro

In San Isidro in March, 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 Isidro, you can check here.

Maximum UV Index Levels in San Isidro for March

The chart shows the monthly maximum UV Index (UVI) for San Isidro in March, 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 March, the maximum UV index in San Isidro typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec14141412109101112131413
Data source: San Isidro March 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 March 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 March’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 March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (71°F)47 mm (1.9 inches)89%extreme
February Weather22°C (72°F)53 mm (2.1 inches)89%extreme
March Weather22°C (72°F)50 mm (2.0 inches)90%extreme
April Weather20°C (69°F)18 mm (0.7 inches)89%extreme
May Weather19°C (66°F)9 mm (0.4 inches)83%very high
June Weather18°C (64°F)10 mm (0.4 inches)69%very high
July Weather17°C (63°F)11 mm (0.4 inches)56%very high
August Weather17°C (62°F)10 mm (0.4 inches)50%extreme
September Weather17°C (62°F)10 mm (0.4 inches)53%extreme
October Weather17°C (63°F)10 mm (0.4 inches)68%extreme
November Weather18°C (65°F)9 mm (0.4 inches)81%extreme
December Weather20°C (68°F)17 mm (0.7 inches)87%extreme

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