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October Weather in Santa Barbara, Mexico

Last updated: August 27, 2025

In October, the average temperature in Santa Barbara, Mexico is a pleasant 18°C (64°F). However, be prepared for fluctuations—temperatures can dip to a chilly 0°C (33°F) or soar to a warm 31°C (88°F). Expect 42 mm (1.7 in) of precipitation spread over 7 days, and with an average humidity of 82%, the atmosphere will feel quite lush.

October Temperature in Santa Barbara

In October in Santa Barbara, the average temperature is 18°C (64°F). The maximum can reach 31°C (88°F), while the minimum can drop as low as 0°C (33°F). Be prepared for a wide range of temperatures while traveling, so pack both light clothing for warm days and layers for cooler nights.

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

The chart illustrates October temperature patterns in Santa Barbara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Barbara, October typically has an average temperature of 18°C (64°F), with highs reaching up to 31°C (88°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec505460667276727267645750
Data source: Temperature data for Santa Barbara 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 Barbara

In Santa Barbara in October, the total precipitation amount is 42 mm (1.7 in) over the course of 7 days.

October Precipitation Trends in Santa Barbara

The chart displays monthly precipitation patterns in Santa Barbara, 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 Barbara, October typically receives around 42 mm (1.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec677683911092126422020
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Santa Barbara

In Santa Barbara in October humidity is 82%. With an average temperature of 18°C (64°F), this humidity feels like a warm, muggy embrace that can make exploring the area feel stifling, leaving travelers drenched in sweat and longing for respite in the shade.

October Average Humidity in Santa Barbara

This chart illustrates the average monthly humidity levels in Santa Barbara, 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 Barbara is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%65%58%48%48%54%72%77%86%82%85%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Santa Barbara

In Santa Barbara 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 Barbara.

Maximum UV Index Levels in Santa Barbara for October

The chart shows the monthly maximum UV Index (UVI) for Santa Barbara 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 Barbara typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121414131313131187
Data source: Santa Barbara 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 Barbara Compares to Other Months

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

This table compares monthly weather conditions in Santa Barbara, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)6 mm (0.2 inches)75%high
February Weather12°C (54°F)7 mm (0.3 inches)65%very high
March Weather16°C (60°F)7 mm (0.3 inches)58%extreme
April Weather19°C (67°F)5 mm (0.2 inches)48%extreme
May Weather22°C (73°F)8 mm (0.3 inches)48%extreme
June Weather25°C (76°F)39 mm (1.6 inches)54%extreme
July Weather22°C (72°F)109 mm (4.3 inches)72%extreme
August Weather22°C (72°F)92 mm (3.6 inches)77%extreme
September Weather20°C (67°F)126 mm (5.0 inches)86%extreme
October Weather18°C (64°F)42 mm (1.7 inches)82%extreme
November Weather14°C (57°F)20 mm (0.8 inches)85%very high
December Weather10°C (50°F)20 mm (0.8 inches)87%high

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