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May Weather in Primero de Mayo, Mexico

Last updated: August 27, 2025

In May, the average temperature in Primero de Mayo, Mexico reaches a warm 29°C (85°F). However, be prepared for a range of conditions, as temperatures can dip to a low of 16°C (62°F) and soar up to a scorching 44°C (112°F). Rainfall averages 61 mm (2.4 in) spread over 13 days, while the air remains humid with an average of 85% humidity. Plan accordingly to make the most of your stay!

May Temperature in Primero de Mayo

In May in Primero de Mayo, the average temperature is 29°C (85°F). Maximums can reach 44°C (112°F), while minimums can be as low as 16°C (62°F). Travelers should be prepared for a range of temperatures, ensuring they pack accordingly for both the heat and cooler evenings.

May Weather in Primero de Mayo: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Primero de Mayo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Primero de Mayo, May typically has an average temperature of 29°C (85°F), with highs reaching up to 44°C (112°F) and lows dropping to around 16°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec667075818485848583797268
Data source: Temperature data for Primero de Mayo 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 Primero de Mayo

In Primero de Mayo in May, the precipitation amount is 61 mm (2.4 in) occurring over the course of 13 days.

May Precipitation Trends in Primero de Mayo

The chart displays monthly precipitation patterns in Primero de Mayo, 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 Primero de Mayo, May typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec191229236191925870611312
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Primero de Mayo

In Primero de Mayo in May humidity is 85%. With an average temperature of 29°C (85°F), this humidity feels like a thick blanket enveloping you, making every step feel like a small effort, and often leaving you longing for a cool breeze or shade while exploring the sights.

May Average Humidity in Primero de Mayo

This chart illustrates the average monthly humidity levels in Primero de Mayo, 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 Primero de Mayo is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%83%84%85%79%71%72%80%85%88%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Primero de Mayo

In Primero de Mayo 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 Primero de Mayo.

Maximum UV Index Levels in Primero de Mayo for May

The chart shows the monthly maximum UV Index (UVI) for Primero de Mayo 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 Primero de Mayo typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79121313131313121187
Data source: Primero de Mayo 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 Primero de Mayo Compares to Other Months

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

This table compares monthly weather conditions in Primero de Mayo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)19 mm (0.8 inches)87%high
February Weather21°C (70°F)12 mm (0.5 inches)85%very high
March Weather24°C (75°F)29 mm (1.2 inches)83%extreme
April Weather27°C (81°F)23 mm (0.9 inches)84%extreme
May Weather29°C (85°F)61 mm (2.4 inches)85%extreme
June Weather29°C (85°F)91 mm (3.6 inches)79%extreme
July Weather29°C (85°F)92 mm (3.6 inches)71%extreme
August Weather30°C (85°F)58 mm (2.3 inches)72%extreme
September Weather28°C (84°F)70 mm (2.8 inches)80%extreme
October Weather26°C (79°F)61 mm (2.4 inches)85%extreme
November Weather22°C (72°F)13 mm (0.5 inches)88%very high
December Weather20°C (68°F)12 mm (0.5 inches)89%high

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