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October Weather in Chula Vista, Mexico

Last updated: August 27, 2025

In Chula Vista, Mexico, the average temperature in October is a pleasant 23°C (75°F). However, temperatures can swing from a cool 4°C (39°F) to a warm 36°C (98°F). With an average humidity of 83%, this month also sees 29 mm (1.2 in) of precipitation spread across approximately 3 days.

October Temperature in Chula Vista

In October in Chula Vista, the average temperature is 23°C (75°F), with maximums reaching 36°C (98°F) and minimums dropping as low as 4°C (39°F). It's a great time to visit for those who enjoy warm days and cooler nights, so pack accordingly for both heat and chill!

October Weather in Chula Vista: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Chula Vista, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chula Vista, October typically has an average temperature of 23°C (75°F), with highs reaching up to 36°C (98°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec576471778486848580746558
Data source: Temperature data for Chula Vista 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 Chula Vista

In Chula Vista in October, the total precipitation amount is 29 mm (1.2 in) over a duration of 3 days.

October Precipitation Trends in Chula Vista

The chart displays monthly precipitation patterns in Chula Vista, 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 Chula Vista, October typically receives around 29 mm (1.2 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec337271317153230512
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Chula Vista

In Chula Vista in October humidity is 83%. With an average temperature of 23°C (75°F), this humidity feels like a warm, heavy blanket enveloping you as you explore, making it necessary to take frequent breaks and stay hydrated while enjoying the vibrant sights and sounds around you.

October Average Humidity in Chula Vista

This chart illustrates the average monthly humidity levels in Chula Vista, 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 Chula Vista is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%65%59%59%65%69%66%60%80%83%86%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Chula Vista

In Chula Vista 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 Chula Vista.

Maximum UV Index Levels in Chula Vista for October

The chart shows the monthly maximum UV Index (UVI) for Chula Vista 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 Chula Vista typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710111313131313121086
Data source: Chula Vista 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 Chula Vista Compares to Other Months

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

This table compares monthly weather conditions in Chula Vista, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)3 mm (0.1 inches)75%high
February Weather18°C (64°F)3 mm (0.1 inches)65%very high
March Weather21°C (71°F)7 mm (0.3 inches)59%extreme
April Weather25°C (78°F)2 mm (0.1 inches)59%extreme
May Weather29°C (84°F)7 mm (0.3 inches)65%extreme
June Weather30°C (86°F)13 mm (0.5 inches)69%extreme
July Weather29°C (85°F)17 mm (0.7 inches)66%extreme
August Weather29°C (85°F)15 mm (0.6 inches)60%extreme
September Weather26°C (80°F)32 mm (1.3 inches)80%extreme
October Weather23°C (75°F)29 mm (1.2 inches)83%very high
November Weather18°C (65°F)5 mm (0.2 inches)86%very high
December Weather14°C (58°F)12 mm (0.5 inches)86%high

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