May Weather in Mexico, United States

Last updated: June 24, 2025

In May, the average temperature in Mexico, United States hovers around 17°C (63°F), with a minimum of -1°C (30°F) and soaring to a maximum of 34°C (94°F). Expect 151 mm (5.9 in) of precipitation spread over 16 days, contributing to an average humidity of 81%. Perfect for those who enjoy a blend of mild weather and refreshing rain!

May Temperature in Mexico

In May in Mexico, the average temperature is 17°C (63°F), with maximums reaching 34°C (94°F) and minimums dropping as low as -1°C (30°F). This variation makes it an ideal time for travelers to pack both light clothing for warm days and warmer layers for chilly nights.

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 17°C (63°F), with highs reaching up to 34°C (94°F) and lows dropping to around -1°C (30°F).

Data source: Temperature data for Mexico generated using information from the Copernicus Climate Change Service.

May Precipitation in Mexico

In Mexico in May, the precipitation amount is 151 mm (5.9 in) over a span of 16 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 151 mm (5.9 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Mexico

In Mexico in May humidity is 81%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket enveloping you, making travel slightly oppressive and calling for frequent breaks in air-conditioned spaces to recharge and enjoy your journey comfortably.

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 81%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	76 mm (3.0 inches)	85%	moderate
February Weather	-1°C (31°F)	81 mm (3.2 inches)	85%	moderate
March Weather	5°C (41°F)	103 mm (4.0 inches)	86%	high
April Weather	10°C (51°F)	93 mm (3.7 inches)	87%	very high
May Weather	17°C (63°F)	151 mm (5.9 inches)	81%	very high
June Weather	23°C (73°F)	107 mm (4.2 inches)	82%	very high
July Weather	24°C (76°F)	105 mm (4.2 inches)	81%	very high
August Weather	23°C (73°F)	107 mm (4.2 inches)	79%	very high
September Weather	20°C (69°F)	65 mm (2.6 inches)	78%	very high
October Weather	14°C (57°F)	102 mm (4.0 inches)	81%	high
November Weather	5°C (41°F)	81 mm (3.2 inches)	89%	moderate
December Weather	2°C (35°F)	67 mm (2.6 inches)	86%	low