May Weather in Santa Ana, Mexico

Last updated: August 27, 2025

In May, the average temperature in Santa Ana, Mexico hovers around a comfortable 27°C (81°F). You'll experience a range, with minimums of 22°C (72°F) and occasional peaks reaching 31°C (88°F). Expect 74 mm (2.9 in) of precipitation spread over 8 days, and a humid atmosphere with an average of 82%. Perfect weather for enjoying the local sights!

May Temperature in Santa Ana

In May in Santa Ana, the average temperature is 27°C (81°F). The maximum can reach 31°C (88°F), while the minimum can drop to as low as 22°C (72°F). This pleasant climate makes Santa Ana a perfect destination for travelers seeking warm weather and outdoor activities.

May Weather in Santa Ana: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Santa Ana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Ana, May typically has an average temperature of 27°C (81°F), with highs reaching up to 31°C (88°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec707173778081818281797471
Data source: Temperature data for Santa Ana 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 Ana

In Santa Ana in May, the precipitation amount is 74 mm (2.9 in) over a period of 8 days.

May Precipitation Trends in Santa Ana

The chart displays monthly precipitation patterns in Santa Ana, 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 Ana, May typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec5651573574138971441681199734
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Santa Ana

In Santa Ana in May humidity is 82%. With an average temperature of 27°C (81°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more exhausting, and leaving you longing for the relief of air-conditioned spaces during your travels.

May Average Humidity in Santa Ana

This chart illustrates the average monthly humidity levels in Santa Ana, 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 Ana is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%86%84%81%82%81%81%82%86%90%91%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Santa Ana

In Santa Ana in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Santa Ana.

Maximum UV Index Levels in Santa Ana for May

The chart shows the monthly maximum UV Index (UVI) for Santa Ana 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 Ana typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810111313131312121197
Data source: Santa Ana 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 Ana Compares to Other Months

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

This table compares monthly weather conditions in Santa Ana, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (70°F)56 mm (2.2 inches)88%very high
February Weather22°C (71°F)51 mm (2.0 inches)86%very high
March Weather23°C (74°F)57 mm (2.3 inches)84%extreme
April Weather25°C (77°F)35 mm (1.4 inches)81%extreme
May Weather27°C (81°F)74 mm (2.9 inches)82%extreme
June Weather27°C (81°F)138 mm (5.4 inches)81%extreme
July Weather27°C (81°F)97 mm (3.8 inches)81%extreme
August Weather28°C (82°F)144 mm (5.7 inches)82%extreme
September Weather27°C (81°F)168 mm (6.6 inches)86%extreme
October Weather26°C (79°F)119 mm (4.7 inches)90%extreme
November Weather23°C (74°F)97 mm (3.8 inches)91%very high
December Weather22°C (72°F)34 mm (1.4 inches)91%high

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