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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 16°C (62°F), with minimums dipping to 4°C (40°F) and maximums soaring to 28°C (83°F). Expect 66 mm (2.6 in) of precipitation spread over 12 days, accompanied by an average humidity of 77%. Be prepared for a mix of cozy and wet days!

May Temperature in Casa Blanca

In May in Casa Blanca, the average temperature is 16°C (62°F). The maximum can reach 28°C (83°F), while the minimum can drop as low as 4°C (40°F). This diverse temperature range makes Casa Blanca an ideal destination for travelers seeking a mix of pleasant daytime 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 16°C (62°F), with highs reaching up to 28°C (83°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec515558606160595959575452
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 66 mm (2.6 in) over the course of 12 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 66 mm (2.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec139224366172141190181100255
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 16°C (62°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel heavy and draining, so travelers may want to plan for breaks in shaded areas and stay hydrated.

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 Weather11°C (51°F)13 mm (0.5 inches)84%very high
February Weather13°C (55°F)9 mm (0.4 inches)78%extreme
March Weather14°C (58°F)22 mm (0.9 inches)75%extreme
April Weather16°C (60°F)43 mm (1.7 inches)70%extreme
May Weather16°C (62°F)66 mm (2.6 inches)77%extreme
June Weather15°C (60°F)172 mm (6.8 inches)76%extreme
July Weather15°C (59°F)141 mm (5.6 inches)68%extreme
August Weather15°C (59°F)190 mm (7.5 inches)70%extreme
September Weather15°C (59°F)181 mm (7.1 inches)82%extreme
October Weather14°C (57°F)100 mm (3.9 inches)91%extreme
November Weather12°C (54°F)25 mm (1.0 inches)89%very high
December Weather11°C (52°F)5 mm (0.2 inches)88%very high

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