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May Weather in San Juan de Cacazu, Peru

Last updated: August 27, 2025

In San Juan de Cacazu, Peru during May, the average temperature hovers around 20°C (69°F), making it a pleasant time to visit. Expect lows of 13°C (56°F) and highs reaching up to 28°C (83°F). However, be prepared for occasional showers, as the region experiences about 127 mm (5.0 in) of precipitation over approximately 21 days. The atmospheric humidity tends to be on the higher side at 85%, contributing to that lush, vibrant feel unique to this locale.

May Temperature in San Juan de Cacazu

In May in San Juan de Cacazu, the average temperature is 20°C (69°F). Maximum can reach 28°C (83°F) and minimum can be as low as 13°C (56°F). It's an ideal time for travelers to enjoy mild weather and outdoor activities.

May Weather in San Juan de Cacazu: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Juan de Cacazu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juan de Cacazu, May typically has an average temperature of 20°C (69°F), with highs reaching up to 28°C (83°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec696970696968676870707070
Data source: Temperature data for San Juan de Cacazu 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.

May Precipitation in San Juan de Cacazu

In San Juan de Cacazu in May, the total precipitation amount reaches 127 mm (5.0 in) over the course of 21 days.

May Precipitation Trends in San Juan de Cacazu

The chart displays monthly precipitation patterns in San Juan de Cacazu, 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 Juan de Cacazu, May typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec33937531422812790667587158225304
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Juan de Cacazu

In San Juan de Cacazu in May humidity is 85%. With an average temperature of 20°C (69°F), this humidity feels like a warm, sticky embrace that can make even short walks feel tiring, creating a heavy atmosphere that may deter longer excursions but offers an opportunity to explore shaded areas and savor refreshing drinks.

May Average Humidity in San Juan de Cacazu

This chart illustrates the average monthly humidity levels in San Juan de Cacazu, 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 Juan de Cacazu is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%91%89%85%65%47%38%40%56%76%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Juan de Cacazu

In San Juan de Cacazu in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in San Juan de Cacazu.

Maximum UV Index Levels in San Juan de Cacazu for May

The chart shows the monthly maximum UV Index (UVI) for San Juan de Cacazu 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 Juan de Cacazu typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171717161311111314161716
Data source: San Juan de Cacazu 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 Juan de Cacazu Compares to Other Months

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

This table compares monthly weather conditions in San Juan de Cacazu, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)339 mm (13.4 inches)91%extreme
February Weather21°C (70°F)375 mm (14.7 inches)90%extreme
March Weather21°C (70°F)314 mm (12.4 inches)91%extreme
April Weather21°C (70°F)228 mm (9.0 inches)89%extreme
May Weather20°C (69°F)127 mm (5.0 inches)85%extreme
June Weather20°C (69°F)90 mm (3.6 inches)65%extreme
July Weather20°C (67°F)66 mm (2.6 inches)47%extreme
August Weather20°C (68°F)75 mm (2.9 inches)38%extreme
September Weather21°C (70°F)87 mm (3.4 inches)40%extreme
October Weather21°C (70°F)158 mm (6.2 inches)56%extreme
November Weather21°C (71°F)224 mm (8.8 inches)76%extreme
December Weather21°C (70°F)304 mm (12.0 inches)90%extreme

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