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May Weather in Mexico, United States

Last updated: June 24, 2025

In Mexico, United States, the average temperature in May hovers around 13°C (56°F). While the mercury can dip to a chilly -1°C (31°F), it can also rise to a warm 30°C (86°F). Expect about 121 mm (4.8 in) of precipitation spread over 14 days, contributing to an average humidity of 82%. Stay prepared for a mix of weather!

May Temperature in Mexico

In May in Mexico, the average temperature is 13°C (56°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop as low as -1°C (31°F). Be prepared for a wide range of temperatures during your travels.

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 13°C (56°F), with highs reaching up to 30°C (86°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec262733445565727164544032
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 121 mm (4.8 in) over a span of 14 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 121 mm (4.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec108107951301219717611792182132133
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 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel much cooler than it is and creating a heavy atmosphere that can be exhausting for travelers.

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.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%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 is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468910997532
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-4°C (26°F)108 mm (4.3 inches)90%low
February Weather-3°C (28°F)107 mm (4.2 inches)90%moderate
March Weather1°C (34°F)95 mm (3.8 inches)87%high
April Weather7°C (44°F)130 mm (5.1 inches)88%very high
May Weather13°C (56°F)121 mm (4.8 inches)82%very high
June Weather18°C (65°F)97 mm (3.8 inches)79%very high
July Weather22°C (72°F)176 mm (6.9 inches)78%very high
August Weather22°C (71°F)117 mm (4.6 inches)76%very high
September Weather18°C (64°F)92 mm (3.6 inches)78%high
October Weather12°C (54°F)182 mm (7.2 inches)84%moderate
November Weather4°C (40°F)132 mm (5.2 inches)89%moderate
December Weather0°C (32°F)133 mm (5.3 inches)86%low

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