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May Weather in Mexico, United States

Last updated: June 24, 2025

The average temperature in Mexico, United States during May is a pleasant 19°C (66°F). Visitors can expect a minimum temperature of 4°C (39°F) and a maximum of 35°C (95°F). However, don't forget your umbrella, as the area experiences an average precipitation of 177 mm (7.0 in) over 15 days throughout the month. With an average humidity of 82%, it’s advisable to stay hydrated and cool!

May Temperature in Mexico

In May in Mexico, the average temperature is 19°C (66°F). The maximum can reach 35°C (95°F), and the minimum can be as low as 4°C (39°F). This pleasant range makes Mexico an ideal destination for travelers seeking a comfortable climate.

May Weather in Mexico: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mexico, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mexico, May typically has an average temperature of 19°C (66°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec303346546676797672574337
Data source: Temperature data for Mexico 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 Mexico

In Mexico in May, the precipitation amount is 177 mm (7.0 in) over the course of 15 days.

May Precipitation Trends in Mexico

The chart displays monthly precipitation patterns in Mexico, 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 Mexico, May typically receives around 177 mm (7.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec666112211717711092125561095741
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mexico

In Mexico in May humidity is 82%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket wrapping around you, making it slightly uncomfortable for traveling as you might find yourself constantly seeking shade or a cool breeze.

May Average Humidity in Mexico

This chart illustrates the average monthly humidity levels in Mexico, 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 Mexico is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mexico

In Mexico in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Mexico.

Maximum UV Index Levels in Mexico for May

The chart shows the monthly maximum UV Index (UVI) for Mexico 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 Mexico typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Mexico 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 Mexico Compares to Other Months

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

This table compares monthly weather conditions in Mexico, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)66 mm (2.6 inches)82%moderate
February Weather1°C (33°F)61 mm (2.4 inches)80%moderate
March Weather8°C (46°F)122 mm (4.8 inches)80%high
April Weather12°C (54°F)117 mm (4.6 inches)80%very high
May Weather19°C (66°F)177 mm (7.0 inches)82%very high
June Weather25°C (76°F)110 mm (4.3 inches)83%extreme
July Weather26°C (79°F)92 mm (3.6 inches)81%extreme
August Weather24°C (76°F)125 mm (4.9 inches)80%very high
September Weather22°C (72°F)56 mm (2.2 inches)76%very high
October Weather14°C (57°F)109 mm (4.3 inches)76%high
November Weather6°C (44°F)57 mm (2.2 inches)85%moderate
December Weather3°C (38°F)41 mm (1.6 inches)86%moderate

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