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May Weather in San Juan Bautista, Peru

Last updated: August 27, 2025

In San Juan Bautista, Peru, the average temperature in May is a pleasant 21°C (69°F). You can expect a minimum temperature of 14°C (57°F) and a maximum of 30°C (85°F). With only 1 mm (0.0 in) of precipitation over 0 days, the weather is generally dry. However, be prepared for high humidity at 85%, adding a touch of warmth to this delightful month.

May Temperature in San Juan Bautista

In May in San Juan Bautista, the average temperature is 21°C (69°F). Maximum temperatures can reach 30°C (85°F), while minimums can drop to as low as 14°C (57°F). This pleasant climate makes it an ideal time for travelers to explore the outdoor attractions and enjoy various activities in San Juan Bautista.

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

The chart illustrates May temperature patterns in San Juan Bautista, 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 Bautista, May typically has an average temperature of 21°C (69°F), with highs reaching up to 30°C (85°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec737374726966656667686971
Data source: Temperature data for San Juan Bautista 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 Bautista

In San Juan Bautista in May, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

May Precipitation Trends in San Juan Bautista

The chart displays monthly precipitation patterns in San Juan Bautista, 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 Bautista, May typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec535029610000217
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Juan Bautista

In San Juan Bautista in May humidity is 85%. With an average temperature of 21°C (69°F), this humidity feels like a heavy blanket wrapping around you, making even the simplest outdoor activities feel exhausting and sticky, which can be quite challenging for traveling.

May Average Humidity in San Juan Bautista

This chart illustrates the average monthly humidity levels in San Juan Bautista, 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 Bautista is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%88%85%78%76%74%74%78%82%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Juan Bautista

In San Juan Bautista in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Juan Bautista.

Maximum UV Index Levels in San Juan Bautista for May

The chart shows the monthly maximum UV Index (UVI) for San Juan Bautista 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 Bautista typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161616141210111214161716
Data source: San Juan Bautista 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 Bautista Compares to Other Months

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

This table compares monthly weather conditions in San Juan Bautista, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)53 mm (2.1 inches)85%extreme
February Weather23°C (74°F)50 mm (2.0 inches)85%extreme
March Weather23°C (74°F)29 mm (1.1 inches)86%extreme
April Weather22°C (72°F)6 mm (0.2 inches)88%extreme
May Weather21°C (69°F)1 mm (0.0 inches)85%extreme
June Weather19°C (67°F)0 mm (0.0 inches)78%very high
July Weather18°C (66°F)0 mm (0.0 inches)75%extreme
August Weather19°C (66°F)0 mm (0.0 inches)73%extreme
September Weather19°C (67°F)0 mm (0.0 inches)74%extreme
October Weather20°C (68°F)2 mm (0.1 inches)78%extreme
November Weather21°C (69°F)1 mm (0.1 inches)82%extreme
December Weather22°C (71°F)7 mm (0.3 inches)83%extreme

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