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May Weather in Alamo, Mexico

Last updated: August 27, 2025

In Alamo, Mexico, the average temperature in May is a warm 28°C (83°F), with daily variations ranging from a minimum of 19°C (66°F) to a scorching maximum of 40°C (105°F). Visitors should prepare for 14 rainy days, with a total precipitation of 138 mm (5.5 in). Additionally, the air is quite humid, with an average humidity of 82%, making for a tropical atmosphere.

May Temperature in Alamo

In May in Alamo, the average temperature is 28°C (83°F). Maximums can reach up to 40°C (105°F), while minimums can drop as low as 19°C (66°F). This warm climate makes Alamo an ideal destination for travelers seeking sunshine and outdoor adventures.

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

The chart illustrates May temperature patterns in Alamo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alamo, May typically has an average temperature of 28°C (83°F), with highs reaching up to 40°C (105°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec677074798383838381787268
Data source: Temperature data for Alamo 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 Alamo

In Alamo in May, the precipitation amount is 138 mm (5.5 in) over a period of 14 days.

May Precipitation Trends in Alamo

The chart displays monthly precipitation patterns in Alamo, 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 Alamo, May typically receives around 138 mm (5.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec492740631392001231521891966318
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Alamo

In Alamo in May, humidity is 82%. With an average temperature of 28°C (83°F), this humidity feels like stepping into a warm, damp embrace, which can make traveling feel heavy and exhausting, as every movement can be met with a sticky veil of moisture that clings to the skin.

May Average Humidity in Alamo

This chart illustrates the average monthly humidity levels in Alamo, 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 Alamo is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%83%80%82%79%72%74%84%92%91%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Alamo

In Alamo in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Alamo.

Maximum UV Index Levels in Alamo for May

The chart shows the monthly maximum UV Index (UVI) for Alamo 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 Alamo typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710111212131312121087
Data source: Alamo 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 Alamo Compares to Other Months

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

This table compares monthly weather conditions in Alamo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (67°F)49 mm (1.9 inches)88%high
February Weather21°C (70°F)27 mm (1.1 inches)86%very high
March Weather23°C (74°F)40 mm (1.6 inches)83%extreme
April Weather26°C (79°F)63 mm (2.5 inches)80%extreme
May Weather28°C (83°F)138 mm (5.5 inches)82%extreme
June Weather28°C (83°F)200 mm (7.9 inches)79%extreme
July Weather28°C (83°F)123 mm (4.8 inches)72%extreme
August Weather29°C (84°F)152 mm (6.0 inches)74%extreme
September Weather27°C (82°F)189 mm (7.4 inches)84%extreme
October Weather25°C (78°F)196 mm (7.7 inches)92%very high
November Weather22°C (72°F)63 mm (2.5 inches)91%very high
December Weather20°C (69°F)18 mm (0.7 inches)91%high

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