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March Weather in San Antonio, Peru

Last updated: August 27, 2025

In March, the average temperature in San Antonio, Peru is a warm 26°C (79°F), with minimums dipping to 22°C (72°F) and maximums reaching up to 34°C (93°F). Expect a significant level of precipitation, totaling 322 mm (12.7 in) over 29 days, contributing to a high average humidity of 82%.

March Temperature in San Antonio

In March, in San Antonio, the average temperature is 26°C (79°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 22°C (72°F). This pleasant climate makes San Antonio an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates March temperature patterns in San Antonio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Antonio, March typically has an average temperature of 26°C (79°F), with highs reaching up to 34°C (93°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec797979797878777979797979
Data source: Temperature data for San Antonio 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 Antonio

In San Antonio in March, the total precipitation amount recorded is 322 mm (12.7 in) over the course of 29 days.

March Precipitation Trends in San Antonio

The chart displays monthly precipitation patterns in San Antonio, 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 Antonio, March typically receives around 322 mm (12.7 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec275279322322242184149120170202239320
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in San Antonio

In San Antonio in March, humidity is 82%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket that envelops you, making outdoor activities feel more taxing and requiring frequent breaks to stay hydrated.

March Average Humidity in San Antonio

This chart illustrates the average monthly humidity levels in San Antonio, 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 Antonio is approximately 82%, 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 March generated using information from the Copernicus Climate Change Service.

March UV Index in San Antonio

In San Antonio in March, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in San Antonio, you can check Hourly UV Index in San Antonio.

Maximum UV Index Levels in San Antonio for March

The chart shows the monthly maximum UV Index (UVI) for San Antonio 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 Antonio typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161312111214141313
Data source: San Antonio 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 Antonio Compares to Other Months

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

This table compares monthly weather conditions in San Antonio, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)275 mm (10.8 inches)83%extreme
February Weather26°C (79°F)278 mm (11.0 inches)78%extreme
March Weather26°C (79°F)322 mm (12.7 inches)82%extreme
April Weather26°C (79°F)322 mm (12.7 inches)85%extreme
May Weather26°C (79°F)242 mm (9.5 inches)91%extreme
June Weather26°C (78°F)184 mm (7.2 inches)85%extreme
July Weather25°C (78°F)149 mm (5.9 inches)74%extreme
August Weather26°C (79°F)120 mm (4.7 inches)59%extreme
September Weather26°C (80°F)170 mm (6.7 inches)55%extreme
October Weather26°C (80°F)202 mm (8.0 inches)57%extreme
November Weather26°C (80°F)239 mm (9.4 inches)74%extreme
December Weather26°C (79°F)320 mm (12.6 inches)87%extreme

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