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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 hovers around 19°C (67°F). Expect lows of 9°C (48°F) and highs reaching 31°C (89°F). During this time, the region experiences about 106 mm (4.2 in) of precipitation over 18 days, contributing to an average humidity of 77%. Be prepared for a mix of mild warmth and occasional rain!

May Temperature in Primero de Mayo

In May in Primero de Mayo, the average temperature is 19°C (67°F). Maximums can reach 31°C (89°F), and minimums can be as low as 9°C (48°F). This climate makes Primero de Mayo an ideal destination for travelers seeking pleasant weather during this month.

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 19°C (67°F), with highs reaching up to 31°C (89°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec586164666765646564636158
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 106 mm (4.2 in), occurring over 18 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 106 mm (4.2 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec871844106215165209251102256
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 77%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel slightly more challenging as the air clings to your skin, turning every step into a leisurely stroll through a sauna.

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 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%75%71%77%76%68%70%82%91%89%88%
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 an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. 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 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151515141413109
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 Weather14°C (58°F)8 mm (0.3 inches)84%very high
February Weather16°C (61°F)6 mm (0.3 inches)78%extreme
March Weather18°C (65°F)18 mm (0.7 inches)75%extreme
April Weather19°C (67°F)44 mm (1.7 inches)70%extreme
May Weather19°C (67°F)106 mm (4.2 inches)77%extreme
June Weather19°C (66°F)215 mm (8.5 inches)76%extreme
July Weather18°C (65°F)165 mm (6.5 inches)68%extreme
August Weather18°C (65°F)209 mm (8.2 inches)70%extreme
September Weather18°C (65°F)251 mm (9.9 inches)82%extreme
October Weather17°C (64°F)102 mm (4.0 inches)91%extreme
November Weather16°C (61°F)25 mm (1.0 inches)89%very high
December Weather15°C (58°F)6 mm (0.2 inches)88%very high

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