May Weather in San Juan Portezuelo, Mexico

Last updated: August 27, 2025

In May, the average temperature in San Juan Portezuelo, Mexico hovers around 20°C (68°F). Expect a minimum of 11°C (52°F) and a maximum of 31°C (89°F). During this time, the region receives approximately 95 mm (3.8 in) of precipitation over 16 days, with an average humidity of 77%. Prepare for a mix of warm days and refreshing rain!

May Temperature in San Juan Portezuelo

In May in San Juan Portezuelo, the average temperature is 20°C (68°F). The maximum can reach 31°C (89°F), while the minimum can be as low as 11°C (52°F). This variety in temperatures makes it a great time for travelers to pack both light clothing for the warm days and layers for the cooler evenings.

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

The chart illustrates May temperature patterns in San Juan Portezuelo, 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 Portezuelo, May typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (89°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec596266686866656565646159
Data source: Temperature data for San Juan Portezuelo 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 Portezuelo

In San Juan Portezuelo in May, the total precipitation amount is 95 mm (3.8 in) that falls over the course of 16 days.

May Precipitation Trends in San Juan Portezuelo

The chart displays monthly precipitation patterns in San Juan Portezuelo, 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 Portezuelo, May typically receives around 95 mm (3.8 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec75143595227172216260109286
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Juan Portezuelo

In San Juan Portezuelo in May, humidity is 77%. With an average temperature of 20°C (68°F), this humidity feels like a warm, sticky embrace, making it essential for travelers to stay hydrated and take breaks in shaded areas to avoid feeling sluggish in the heat.

May Average Humidity in San Juan Portezuelo

This chart illustrates the average monthly humidity levels in San Juan Portezuelo, 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 Portezuelo is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%75%71%77%76%68%70%82%91%89%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Juan Portezuelo

In San Juan Portezuelo in May, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in San Juan Portezuelo.

Maximum UV Index Levels in San Juan Portezuelo for May

The chart shows the monthly maximum UV Index (UVI) for San Juan Portezuelo 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 Portezuelo typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151515141413109
Data source: San Juan Portezuelo 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 Portezuelo Compares to Other Months

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

This table compares monthly weather conditions in San Juan Portezuelo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)7 mm (0.3 inches)84%very high
February Weather17°C (62°F)5 mm (0.2 inches)78%extreme
March Weather19°C (66°F)14 mm (0.6 inches)75%extreme
April Weather20°C (68°F)35 mm (1.4 inches)70%extreme
May Weather20°C (68°F)95 mm (3.8 inches)77%extreme
June Weather19°C (66°F)227 mm (8.9 inches)76%extreme
July Weather18°C (65°F)172 mm (6.8 inches)68%extreme
August Weather18°C (65°F)216 mm (8.5 inches)70%extreme
September Weather18°C (65°F)260 mm (10.2 inches)82%extreme
October Weather18°C (64°F)109 mm (4.3 inches)91%extreme
November Weather16°C (62°F)28 mm (1.1 inches)89%very high
December Weather15°C (59°F)6 mm (0.2 inches)88%very high

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