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May Weather in Ostoyahualco, Mexico

Last updated: August 27, 2025

In May, the average temperature in Ostoyahualco, Mexico reaches a pleasant 25°C (77°F). Visitors can expect a comfortable range, with minimum temperatures dropping to 16°C (61°F) and highs peaking at 37°C (98°F). While exploring, be prepared for some rain, as the region sees an average precipitation of 57 mm (2.3 in) over 12 days. Don't forget to stay hydrated, as the average humidity hovers around 73%!

May Temperature in Ostoyahualco

In May in Ostoyahualco, the average temperature is 25°C (77°F). Maximum temperatures can reach 37°C (98°F), while minimums can drop as low as 16°C (61°F). This comfortable climate makes Ostoyahualco an ideal destination for travelers looking for pleasant weather during their visit.

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

The chart illustrates May temperature patterns in Ostoyahualco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ostoyahualco, May typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (98°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec697174767774737372727169
Data source: Temperature data for Ostoyahualco 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 Ostoyahualco

In Ostoyahualco in May, the precipitation amount is 57 mm (2.3 in) over a period of 12 days.

May Precipitation Trends in Ostoyahualco

The chart displays monthly precipitation patterns in Ostoyahualco, 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 Ostoyahualco, May typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec6441057214199281273132255
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ostoyahualco

In Ostoyahualco in May humidity is 73%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket wrapping around you, making travel a bit sticky but also vibrant and lively, as the air carries the rich scents of the surrounding environment.

May Average Humidity in Ostoyahualco

This chart illustrates the average monthly humidity levels in Ostoyahualco, 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 Ostoyahualco is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%59%62%73%78%79%82%82%79%72%70%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ostoyahualco

In Ostoyahualco 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 Ostoyahualco, you can check here.

Maximum UV Index Levels in Ostoyahualco for May

The chart shows the monthly maximum UV Index (UVI) for Ostoyahualco 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 Ostoyahualco typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414141412109
Data source: Ostoyahualco 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 Ostoyahualco Compares to Other Months

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

This table compares monthly weather conditions in Ostoyahualco, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (69°F)6 mm (0.2 inches)65%very high
February Weather22°C (71°F)4 mm (0.2 inches)61%extreme
March Weather23°C (75°F)4 mm (0.1 inches)59%extreme
April Weather25°C (77°F)10 mm (0.4 inches)62%extreme
May Weather25°C (77°F)57 mm (2.3 inches)73%extreme
June Weather23°C (74°F)214 mm (8.4 inches)78%extreme
July Weather23°C (74°F)199 mm (7.8 inches)79%extreme
August Weather23°C (73°F)281 mm (11.1 inches)82%extreme
September Weather22°C (72°F)273 mm (10.7 inches)82%extreme
October Weather22°C (73°F)132 mm (5.2 inches)79%extreme
November Weather22°C (71°F)24 mm (1.0 inches)72%very high
December Weather21°C (69°F)5 mm (0.2 inches)70%very high

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