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May Weather in La Fortaleza, Mexico

Last updated: August 27, 2025

In La Fortaleza, Mexico, the average temperature in May is a warm 30°C (87°F), with a range that can drop to a refreshing 19°C (66°F) or soar to a sizzling 45°C (114°F). Visitors can expect 84 mm (3.3 in) of precipitation spread over 13 days, resulting in an average humidity of 82%. Perfect for those who enjoy a humid, tropical climate!

May Temperature in La Fortaleza

In May in La Fortaleza, the average temperature is 30°C (87°F). Maximums can reach 45°C (114°F), while minimums can drop to as low as 19°C (66°F). Be prepared for warm to hot conditions, and ensure you pack appropriate clothing for both the heat and cooler evenings.

May Weather in La Fortaleza: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in La Fortaleza, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Fortaleza, May typically has an average temperature of 30°C (87°F), with highs reaching up to 45°C (114°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec687277838685858683797470
Data source: Temperature data for La Fortaleza 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 La Fortaleza

In La Fortaleza in May, the precipitation amount is 84 mm (3.3 in) during 13 days, indicating a relatively wet period for that time of year.

May Precipitation Trends in La Fortaleza

The chart displays monthly precipitation patterns in La Fortaleza, 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 La Fortaleza, May typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec42203337841631381151651512915
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in La Fortaleza

In La Fortaleza in May humidity is 82%. With an average temperature of 30°C (87°F), this humidity feels like stepping into a warm, damp embrace, making traveling feel sticky and oppressive, as each breath carries the weight of the air, leaving you yearning for shade and cool breezes.

May Average Humidity in La Fortaleza

This chart illustrates the average monthly humidity levels in La Fortaleza, 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 La Fortaleza 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 La Fortaleza

In La Fortaleza 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 La Fortaleza.

Maximum UV Index Levels in La Fortaleza for May

The chart shows the monthly maximum UV Index (UVI) for La Fortaleza 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 La Fortaleza typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79121212121312121086
Data source: La Fortaleza 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 La Fortaleza Compares to Other Months

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

This table compares monthly weather conditions in La Fortaleza, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (68°F)42 mm (1.7 inches)88%high
February Weather22°C (72°F)20 mm (0.8 inches)86%very high
March Weather25°C (77°F)33 mm (1.3 inches)83%extreme
April Weather28°C (83°F)37 mm (1.5 inches)80%extreme
May Weather30°C (87°F)84 mm (3.3 inches)82%extreme
June Weather30°C (86°F)163 mm (6.4 inches)79%extreme
July Weather30°C (85°F)138 mm (5.4 inches)72%extreme
August Weather30°C (86°F)115 mm (4.5 inches)74%extreme
September Weather28°C (83°F)165 mm (6.5 inches)84%extreme
October Weather26°C (80°F)151 mm (6.0 inches)92%very high
November Weather23°C (74°F)29 mm (1.2 inches)91%very high
December Weather21°C (70°F)15 mm (0.6 inches)91%high

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