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May Weather in Santa Ana, Mexico

Last updated: August 27, 2025

In May, the average temperature in Santa Ana, Mexico hovers around 28°C (82°F), providing a warm yet pleasant climate. Temperatures can fluctuate, with a minimum of 13°C (56°F) and a scorching maximum of 41°C (107°F). Fortunately, visitors can expect 0 mm (0.0 in) of precipitation over 0 days, making it an ideal time for outdoor activities. The average humidity rests comfortably at 47%, ensuring a balanced atmosphere for exploration and relaxation.

May Temperature in Santa Ana

In May in Santa Ana, the average temperature is 28°C (82°F). Maximum can reach 41°C (107°F) and minimum can be as low as 13°C (56°F). This makes it essential for travelers to be prepared for both hot days and cooler evenings.

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 28°C (82°F), with highs reaching up to 41°C (107°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec646670768287858483817366
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 0 mm (0.0 in) during 0 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 0 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec1629111027117124103243920
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 47%. With an average temperature of 28°C (82°F), this humidity feels like a warm embrace that adds a slight stickiness to the air, making outdoor activities feel invigorating yet slightly heavy.

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 47%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%67%60%51%47%50%70%82%82%78%78%81%
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.
JanFebMarAprMayJunJulAugSepOctNovDec69101213121212121076
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 Weather18°C (64°F)16 mm (0.6 inches)74%high
February Weather19°C (66°F)29 mm (1.2 inches)67%very high
March Weather21°C (71°F)11 mm (0.4 inches)60%very high
April Weather25°C (77°F)1 mm (0.0 inches)51%extreme
May Weather28°C (82°F)0 mm (0.0 inches)47%extreme
June Weather30°C (87°F)27 mm (1.1 inches)50%extreme
July Weather29°C (85°F)117 mm (4.6 inches)70%extreme
August Weather29°C (85°F)124 mm (4.9 inches)81%extreme
September Weather28°C (83°F)103 mm (4.0 inches)82%extreme
October Weather27°C (81°F)24 mm (0.9 inches)78%very high
November Weather23°C (74°F)39 mm (1.5 inches)78%high
December Weather19°C (66°F)20 mm (0.8 inches)80%high

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