nomadseason

May Weather in San Pedro, Peru

Last updated: August 27, 2025

In San Pedro, Peru, the average temperature in May hovers around 20°C (68°F), with a minimum of 13°C (56°F) and a maximum of 28°C (83°F). Expect significant precipitation, averaging 191 mm (7.5 in) over 25 days, and prepare for a high humidity level of 89%. ☔️🌡️

May Temperature in San Pedro

In May in San Pedro, the average temperature is 20°C (68°F). The maximum can reach 28°C (83°F) and the minimum can be as low as 13°C (56°F). This pleasant climate makes San Pedro an ideal destination for travelers seeking comfortable weather and enjoyable outdoor activities.

May Weather in San Pedro: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Pedro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Pedro, May typically has an average temperature of 20°C (68°F), with highs reaching up to 28°C (83°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec686969696866656565666667
Data source: Temperature data for San Pedro generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in San Pedro

In San Pedro in May, the precipitation amount is 191 mm (7.5 in) during a total of 25 days.

May Precipitation Trends in San Pedro

The chart displays monthly precipitation patterns in San Pedro, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In San Pedro, May typically receives around 191 mm (7.5 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec27848866239219158261841140124275
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in San Pedro

In San Pedro in May, humidity is 89%. With an average temperature of 20°C (68°F), this humidity feels like walking through a warm, damp blanket that clings to your skin, making each step feel heavier and the air thick with moisture, which can be quite uncomfortable for traveling.

May Average Humidity in San Pedro

This chart illustrates the average monthly humidity levels in San Pedro, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in San Pedro is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%87%86%89%84%71%71%75%77%79%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Pedro

In San Pedro in May, 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 Pedro, you can check here.

Maximum UV Index Levels in San Pedro for May

The chart shows the monthly maximum UV Index (UVI) for San Pedro in May, 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 May, the maximum UV index in San Pedro typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161412121315151514
Data source: San Pedro May 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 May Weather in San Pedro Compares to Other Months

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

This table compares monthly weather conditions in San Pedro, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (69°F)278 mm (10.9 inches)89%extreme
February Weather21°C (70°F)488 mm (19.2 inches)87%extreme
March Weather21°C (70°F)661 mm (26.0 inches)87%extreme
April Weather20°C (69°F)392 mm (15.4 inches)86%extreme
May Weather20°C (68°F)191 mm (7.5 inches)89%extreme
June Weather19°C (66°F)57 mm (2.3 inches)84%extreme
July Weather18°C (65°F)26 mm (1.0 inches)71%extreme
August Weather18°C (65°F)17 mm (0.7 inches)71%extreme
September Weather19°C (66°F)41 mm (1.6 inches)75%extreme
October Weather19°C (66°F)140 mm (5.5 inches)77%extreme
November Weather19°C (66°F)124 mm (4.9 inches)79%extreme
December Weather20°C (67°F)275 mm (10.8 inches)86%extreme

Compare San Pedro's Climate with Cities Worldwide