May Weather in Casas, Mexico

Last updated: August 27, 2025

In May, the average temperature in Casas, Mexico reaches a warm 29°C (84°F). Temperatures can vary significantly, with a minimum of 14°C (58°F) and a maximum soaring to 42°C (109°F). During this month, expect around 63 mm (2.5 in) of precipitation over approximately 7 days, and with an average humidity of 85%, the air can feel quite tropical.

May Temperature in Casas

In May in Casas, the average temperature is 29°C (84°F). Maximum temperatures can reach up to 42°C (109°F), while minimums can dip as low as 14°C (58°F). Be prepared for a wide range of temperatures if you plan to travel during this time.

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

The chart illustrates May temperature patterns in Casas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casas, May typically has an average temperature of 29°C (84°F), with highs reaching up to 42°C (109°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec656974798485858682777066
Data source: Temperature data for Casas 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 Casas

In Casas in May, the precipitation amount is 63 mm (2.5 in) over a span of 7 days.

May Precipitation Trends in Casas

The chart displays monthly precipitation patterns in Casas, 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 Casas, May typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec18133235631039545136863212
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Casas

In Casas in May, humidity is 85%. With an average temperature of 29°C (84°F), this humidity feels like a stifling blanket enveloping you, making travel challenging as you find yourself constantly seeking shade and cool breezes.

May Average Humidity in Casas

This chart illustrates the average monthly humidity levels in Casas, 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 Casas 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 Casas

In Casas 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 Casas.

Maximum UV Index Levels in Casas for May

The chart shows the monthly maximum UV Index (UVI) for Casas 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 Casas typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111212121312121086
Data source: Casas 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 Casas Compares to Other Months

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

This table compares monthly weather conditions in Casas, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)18 mm (0.7 inches)87%high
February Weather20°C (69°F)13 mm (0.5 inches)85%very high
March Weather23°C (75°F)32 mm (1.3 inches)83%extreme
April Weather26°C (80°F)35 mm (1.4 inches)84%extreme
May Weather29°C (84°F)63 mm (2.5 inches)85%extreme
June Weather29°C (85°F)103 mm (4.0 inches)79%extreme
July Weather29°C (85°F)95 mm (3.8 inches)71%extreme
August Weather30°C (86°F)45 mm (1.8 inches)72%extreme
September Weather28°C (82°F)136 mm (5.3 inches)80%extreme
October Weather25°C (77°F)86 mm (3.4 inches)85%very high
November Weather21°C (70°F)32 mm (1.2 inches)88%very high
December Weather19°C (67°F)12 mm (0.5 inches)89%high

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