October Weather in Santa Ana, Mexico

Last updated: August 27, 2025

In October, the average temperature in Santa Ana, Mexico is a warm 27°C (81°F). Visitors can expect a minimum of 11°C (52°F) and a maximum of 41°C (106°F), showcasing a considerable range. Precipitation is typically light, with an average of 24 mm (0.9 in) falling over about 3 days. The air tends to be quite humid, maintaining an average humidity of 78% throughout the month.

October Temperature in Santa Ana

In October in Santa Ana, the average temperature is 27°C (81°F). Maximums can reach 41°C (106°F), and minimums can be as low as 11°C (52°F). Be prepared for warm days and cooler evenings while enjoying your travels in Santa Ana.

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

The chart illustrates October 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, October typically has an average temperature of 27°C (81°F), with highs reaching up to 41°C (106°F) and lows dropping to around 11°C (52°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.

October Precipitation in Santa Ana

In Santa Ana in October, the precipitation amount is 24 mm (0.9 in) over a span of 3 days.

October Precipitation Trends in Santa Ana

The chart displays monthly precipitation patterns in Santa Ana, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Santa Ana, October typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec1629111027117124103243920
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Santa Ana

In Santa Ana in October humidity is 78%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy embrace that makes traveling feel both invigorating and exhausting. Moments spent outside can quickly become clammy and uncomfortable, urging travelers to seek shade and hydration as they explore.

October Average Humidity in Santa Ana

This chart illustrates the average monthly humidity levels in Santa Ana, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Santa Ana is approximately 78%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Santa Ana

In Santa Ana in October, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Santa Ana.

Maximum UV Index Levels in Santa Ana for October

The chart shows the monthly maximum UV Index (UVI) for Santa Ana in October, 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 October, the maximum UV index in Santa Ana typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69101213121212121076
Data source: Santa Ana October 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 October 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 October’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 October’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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