October Weather in Santa Ana, Mexico

Last updated: August 27, 2025

The average temperature in Santa Ana, Mexico during October is a pleasant 26°C (79°F). Expect a minimum of 19°C (67°F) and a maximum of 30°C (87°F). However, be prepared for some rain, as the area typically receives 119 mm (4.7 in) of precipitation over 15 days. With an average humidity level of 90%, it's a month where comfort may come with a bit of stickiness!

October Temperature in Santa Ana

In October in Santa Ana, the average temperature is 26°C (79°F). Maximums can reach 30°C (87°F), while minimums can dip as low as 19°C (67°F). This pleasant weather makes Santa Ana an ideal destination for travelers seeking comfortable conditions for outdoor activities.

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 26°C (79°F), with highs reaching up to 30°C (87°F) and lows dropping to around 19°C (67°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.

October Precipitation in Santa Ana

In Santa Ana in October, the precipitation amount is 119 mm (4.7 in) over a span of 15 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 119 mm (4.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec5651573574138971441681199734
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 90%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket wrapping around you, making travel feel sticky and draining, while every step requires extra effort in the sweltering embrace of the moist air.

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 90%, 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 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 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810111313131312121197
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 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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