May Weather in Petacalco, Mexico

Last updated: August 27, 2025

In May, the average temperature in Petacalco, Mexico is a pleasant 26°C (80°F), with daily highs reaching up to 34°C (94°F) and lows dipping to 20°C (68°F). Expect a modest precipitation of about 7 mm (0.3 in) spread over a single day, while the atmosphere maintains an average humidity of 73%. Enjoy the warm weather while staying hydrated!

May Temperature in Petacalco

In May, in Petacalco, the average temperature is 26°C (80°F), with maximums reaching 34°C (94°F) and minimums dropping to as low as 20°C (68°F). This pleasant climate makes Petacalco an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates May temperature patterns in Petacalco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Petacalco, May typically has an average temperature of 26°C (80°F), with highs reaching up to 34°C (94°F) and lows dropping to around 20°C (68°F).

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

May Precipitation in Petacalco

In Petacalco in May, the precipitation amount is 7 mm (0.3 in) over the course of 1 day.

May Precipitation Trends in Petacalco

The chart displays monthly precipitation patterns in Petacalco, 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 Petacalco, May typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 1 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 Petacalco

In Petacalco in May, humidity is 73%. With an average temperature of 26°C (80°F), this humidity feels like a warm embrace that clings to your skin, making outdoor exploration a bit sticky but still inviting, perfect for leisurely strolls in the shade or refreshing breaks by the water.

May Average Humidity in Petacalco

This chart illustrates the average monthly humidity levels in Petacalco, 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 Petacalco is approximately 73%, 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 Petacalco

In Petacalco in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Petacalco.

Maximum UV Index Levels in Petacalco for May

The chart shows the monthly maximum UV Index (UVI) for Petacalco 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 Petacalco typically reaches 13, which falls under the extreme exposure category.

Data source: Petacalco 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 Petacalco Compares to Other Months

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

This table compares monthly weather conditions in Petacalco, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	4 mm (0.2 inches)	66%	very high
February Weather	25°C (77°F)	2 mm (0.1 inches)	64%	extreme
March Weather	25°C (78°F)	1 mm (0.0 inches)	63%	extreme
April Weather	25°C (78°F)	0 mm (0.0 inches)	69%	extreme
May Weather	26°C (80°F)	7 mm (0.3 inches)	73%	extreme
June Weather	27°C (81°F)	188 mm (7.4 inches)	76%	extreme
July Weather	28°C (83°F)	102 mm (4.0 inches)	78%	extreme
August Weather	28°C (82°F)	250 mm (9.9 inches)	79%	extreme
September Weather	27°C (81°F)	265 mm (10.4 inches)	78%	extreme
October Weather	27°C (81°F)	234 mm (9.2 inches)	75%	extreme
November Weather	27°C (80°F)	47 mm (1.8 inches)	72%	very high
December Weather	26°C (78°F)	4 mm (0.2 inches)	70%	very high