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May Weather in Casa Blanca, Mexico

Last updated: August 27, 2025

In May, the average temperature in Casa Blanca, Mexico hovers around 19°C (66°F). You can expect minimums as low as 7°C (45°F) and maximums peaking at 32°C (89°F). With an average precipitation of 84 mm (3.3 in) spread over 13 days, the weather can be quite variable, contributing to a humidity level of 75%.

May Temperature in Casa Blanca

In May in Casa Blanca, the average temperature is 19°C (66°F), with maximums reaching up to 32°C (89°F) and minimums dropping as low as 7°C (45°F). This pleasant temperature range makes Casa Blanca an ideal destination for travelers seeking both warmth and cooler evenings.

May Weather in Casa Blanca: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Casa Blanca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casa Blanca, May typically has an average temperature of 19°C (66°F), with highs reaching up to 32°C (89°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec545761646664626262615754
Data source: Temperature data for Casa Blanca 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 Casa Blanca

In Casa Blanca 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 Casa Blanca

The chart displays monthly precipitation patterns in Casa Blanca, 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 Casa Blanca, May typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec2119261684249399360293117519
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Casa Blanca

In Casa Blanca in May humidity is 75%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it slightly uncomfortable for traveling as you navigate through the thick, muggy air.

May Average Humidity in Casa Blanca

This chart illustrates the average monthly humidity levels in Casa Blanca, 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 Casa Blanca is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%64%54%61%75%83%83%85%85%79%76%75%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Casa Blanca

In Casa Blanca in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Casa Blanca, you can check here.

Maximum UV Index Levels in Casa Blanca for May

The chart shows the monthly maximum UV Index (UVI) for Casa Blanca 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 Casa Blanca typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10111415141413141412108
Data source: Casa Blanca 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 Casa Blanca Compares to Other Months

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

This table compares monthly weather conditions in Casa Blanca, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)21 mm (0.8 inches)70%very high
February Weather14°C (57°F)19 mm (0.7 inches)64%extreme
March Weather16°C (62°F)26 mm (1.0 inches)54%extreme
April Weather18°C (65°F)16 mm (0.6 inches)61%extreme
May Weather19°C (66°F)84 mm (3.3 inches)75%extreme
June Weather18°C (64°F)249 mm (9.8 inches)83%extreme
July Weather17°C (62°F)399 mm (15.7 inches)83%extreme
August Weather17°C (62°F)360 mm (14.2 inches)85%extreme
September Weather17°C (62°F)293 mm (11.5 inches)85%extreme
October Weather16°C (61°F)117 mm (4.6 inches)79%extreme
November Weather14°C (58°F)51 mm (2.0 inches)76%very high
December Weather12°C (55°F)9 mm (0.3 inches)74%very high

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