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May Weather in Santo Tomas Allende, Mexico

Last updated: August 27, 2025

In May, the average temperature in Santo Tomas Allende, Mexico hovers around 18°C (65°F), with a comfortable range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F). Expect 87 mm (3.4 in) of precipitation spread over 17 days, contributing to an average humidity level of 82%. Whether you're exploring or relaxing, be prepared for a mix of warmth and wetness!

May Temperature in Santo Tomas Allende

In May in Santo Tomas Allende, the average temperature is 18°C (65°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 7°C (45°F). This climate makes Santo Tomas Allende an ideal destination for travelers seeking mild weather and a variety of outdoor activities.

May Weather in Santo Tomas Allende: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Santo Tomas Allende, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo Tomas Allende, May typically has an average temperature of 18°C (65°F), with highs reaching up to 31°C (88°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec535659636563626362605653
Data source: Temperature data for Santo Tomas Allende 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 Santo Tomas Allende

In Santo Tomas Allende in May, the precipitation amount is 87 mm (3.4 in) over the course of 17 days.

May Precipitation Trends in Santo Tomas Allende

The chart displays monthly precipitation patterns in Santo Tomas Allende, 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 Santo Tomas Allende, May typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec26254057871871451892121635118
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Santo Tomas Allende

In Santo Tomas Allende in May, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.

May Average Humidity in Santo Tomas Allende

This chart illustrates the average monthly humidity levels in Santo Tomas Allende, 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 Santo Tomas Allende is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%83%80%82%79%72%74%84%92%91%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Santo Tomas Allende

In Santo Tomas Allende 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 Santo Tomas Allende, you can check here.

Maximum UV Index Levels in Santo Tomas Allende for May

The chart shows the monthly maximum UV Index (UVI) for Santo Tomas Allende 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 Santo Tomas Allende typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811131414141414131298
Data source: Santo Tomas Allende 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 Santo Tomas Allende Compares to Other Months

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

This table compares monthly weather conditions in Santo Tomas Allende, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (53°F)26 mm (1.0 inches)88%very high
February Weather13°C (57°F)25 mm (1.0 inches)86%extreme
March Weather15°C (60°F)40 mm (1.6 inches)83%extreme
April Weather17°C (63°F)57 mm (2.2 inches)80%extreme
May Weather18°C (65°F)87 mm (3.4 inches)82%extreme
June Weather17°C (64°F)187 mm (7.4 inches)79%extreme
July Weather17°C (63°F)145 mm (5.7 inches)72%extreme
August Weather17°C (63°F)189 mm (7.4 inches)74%extreme
September Weather17°C (62°F)212 mm (8.3 inches)84%extreme
October Weather15°C (60°F)163 mm (6.4 inches)92%extreme
November Weather13°C (56°F)51 mm (2.0 inches)91%very high
December Weather12°C (54°F)18 mm (0.7 inches)91%very high

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