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October Weather in San Diego, Colombia

Last updated: August 23, 2025

In October, the average temperature in San Diego, Colombia reaches a comfortable 25°C (77°F). Daytime highs can soar to 33°C (92°F), while evenings cool down to a pleasant 20°C (68°F). However, be prepared for 531 mm (20.9 in) of precipitation over 30 days, resulting in an average humidity of 82%—perfect for lush landscapes but potentially challenging for outdoor plans!

October Temperature in San Diego

In October in San Diego, the average temperature is 25°C (77°F). Maximums can reach 33°C (92°F), and minimums can drop to as low as 20°C (68°F). This pleasant climate makes San Diego an ideal destination for travelers seeking comfortable weather.

October Weather in San Diego: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in San Diego, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Diego, October typically has an average temperature of 25°C (77°F), with highs reaching up to 33°C (92°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec767777777878797978777777
Data source: Temperature data for San Diego 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 San Diego

In San Diego in October, the precipitation amount is 531 mm (20.9 in) over a period of 30 days.

October Precipitation Trends in San Diego

The chart displays monthly precipitation patterns in San Diego, 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 San Diego, October typically receives around 531 mm (20.9 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec513319542961541728740148853129154
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in San Diego

In San Diego in October, humidity is 82%. With an average temperature of 25°C (77°F), this humidity feels like a warm, oppressive blanket enveloping you as you explore, making every step feel more laborious and prompting the need for frequent hydration breaks.

October Average Humidity in San Diego

This chart illustrates the average monthly humidity levels in San Diego, 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 San Diego is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%65%64%64%65%77%85%85%84%82%79%69%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in San Diego

In San Diego in October, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Diego, you can check here.

Maximum UV Index Levels in San Diego for October

The chart shows the monthly maximum UV Index (UVI) for San Diego 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 San Diego typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315151513131413141111
Data source: San Diego 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 San Diego Compares to Other Months

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

This table compares monthly weather conditions in San Diego, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)51 mm (2.0 inches)65%extreme
February Weather25°C (77°F)33 mm (1.3 inches)65%extreme
March Weather25°C (77°F)195 mm (7.7 inches)64%extreme
April Weather25°C (78°F)429 mm (16.9 inches)64%extreme
May Weather26°C (78°F)615 mm (24.2 inches)65%extreme
June Weather26°C (79°F)417 mm (16.4 inches)77%extreme
July Weather26°C (79°F)287 mm (11.3 inches)85%extreme
August Weather26°C (79°F)401 mm (15.8 inches)85%extreme
September Weather25°C (78°F)488 mm (19.2 inches)84%extreme
October Weather25°C (77°F)531 mm (20.9 inches)82%extreme
November Weather25°C (77°F)291 mm (11.5 inches)79%extreme
December Weather25°C (77°F)54 mm (2.1 inches)69%extreme

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