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May Weather in Santa Catalina de Siena, Mexico

Last updated: August 27, 2025

In May, the average temperature in Santa Catalina de Siena, Mexico is a pleasant 23°C (73°F). However, it can vary significantly, with a minimum of 8°C (47°F) and a maximum reaching up to 36°C (96°F). Expect light showers, as the precipitation typically measures around 14 mm (0.5 in) over 3 days, while the average humidity hovers at a comfortable 52%.

May Temperature in Santa Catalina de Siena

In May in Santa Catalina de Siena, the average temperature is 23°C (73°F). Maximum temperatures can reach 36°C (96°F), while the minimum can drop as low as 8°C (47°F). This variability makes it essential for travelers to pack for both warm and cool conditions.

May Weather in Santa Catalina de Siena: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Santa Catalina de Siena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Catalina de Siena, May typically has an average temperature of 23°C (73°F), with highs reaching up to 36°C (96°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec535863687374697066645954
Data source: Temperature data for Santa Catalina de Siena 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 Santa Catalina de Siena

In Santa Catalina de Siena in May, the precipitation amount is 14 mm (0.5 in) over the course of 3 days.

May Precipitation Trends in Santa Catalina de Siena

The chart displays monthly precipitation patterns in Santa Catalina de Siena, 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 Santa Catalina de Siena, May typically receives around 14 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec10111151465198112189611013
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Santa Catalina de Siena

In Santa Catalina de Siena in May humidity is 52%. With an average temperature of 23°C (73°F), this humidity feels like a comfortable embrace, making it pleasant for traveling as you can enjoy outdoor activities without feeling overheated or sticky.

May Average Humidity in Santa Catalina de Siena

This chart illustrates the average monthly humidity levels in Santa Catalina de Siena, 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 Santa Catalina de Siena is approximately 52%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%62%53%48%52%64%73%71%82%83%82%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Santa Catalina de Siena

In Santa Catalina de Siena 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 Santa Catalina de Siena, you can check here.

Maximum UV Index Levels in Santa Catalina de Siena for May

The chart shows the monthly maximum UV Index (UVI) for Santa Catalina de Siena 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 Santa Catalina de Siena typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811131514141413131297
Data source: Santa Catalina de Siena 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 Santa Catalina de Siena Compares to Other Months

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

This table compares monthly weather conditions in Santa Catalina de Siena, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (53°F)10 mm (0.4 inches)70%very high
February Weather14°C (58°F)11 mm (0.4 inches)62%extreme
March Weather17°C (64°F)11 mm (0.4 inches)53%extreme
April Weather20°C (68°F)5 mm (0.2 inches)48%extreme
May Weather23°C (73°F)14 mm (0.5 inches)52%extreme
June Weather23°C (74°F)65 mm (2.5 inches)64%extreme
July Weather21°C (70°F)198 mm (7.8 inches)73%extreme
August Weather21°C (70°F)112 mm (4.4 inches)71%extreme
September Weather19°C (66°F)189 mm (7.4 inches)82%extreme
October Weather18°C (64°F)61 mm (2.4 inches)83%extreme
November Weather15°C (59°F)10 mm (0.4 inches)82%very high
December Weather12°C (54°F)13 mm (0.5 inches)84%high

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