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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 (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 Casa Blanca

In May in Casa Blanca, 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 Casa Blanca an ideal destination for travelers seeking pleasant weather during this month.

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 (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 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 106 mm (4.2 in), occurring over 18 days.

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 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 Casa Blanca

In Casa Blanca 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 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 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 Casa Blanca

In Casa Blanca 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 Casa Blanca.

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 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151515141413109
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 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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