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October Weather in San Jose, Mexico

Last updated: August 27, 2025

In October, the average temperature in San Jose, Mexico is a warm 27°C (81°F), with daily temperatures ranging from a comfortable 20°C (68°F) to a sizzling 35°C (96°F). Expect about 251 mm (9.9 in) of rainfall over 22 days, contributing to an average humidity level of 82%. Be prepared for a tropical climate that keeps things interesting!

October Temperature in San Jose

In October in San Jose, the average temperature is 27°C (81°F). Maximums can reach 35°C (96°F) and minimums can be as low as 20°C (68°F). This pleasant weather makes it an ideal time for outdoor activities and sightseeing in San Jose.

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

The chart illustrates October temperature patterns in San Jose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose, October typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (96°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec757881858884858483817775
Data source: Temperature data for San Jose 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 Jose

In San Jose in October, the precipitation amount is 251 mm (9.9 in) spread over 22 days.

October Precipitation Trends in San Jose

The chart displays monthly precipitation patterns in San Jose, 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 Jose, October typically receives around 251 mm (9.9 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec42211732742499014921925111849
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in San Jose

In San Jose in October humidity is 82%. With an average temperature of 27°C (81°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more exhausting, and leaving you longing for the relief of air-conditioned spaces during your travels.

October Average Humidity in San Jose

This chart illustrates the average monthly humidity levels in San Jose, 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 Jose is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%73%64%61%60%59%64%76%80%82%83%84%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in San Jose

In San Jose 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 San Jose.

Maximum UV Index Levels in San Jose for October

The chart shows the monthly maximum UV Index (UVI) for San Jose 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 Jose typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313141313121198
Data source: San Jose 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 Jose Compares to Other Months

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

This table compares monthly weather conditions in San Jose, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)42 mm (1.6 inches)78%very high
February Weather26°C (78°F)21 mm (0.8 inches)73%extreme
March Weather27°C (82°F)17 mm (0.7 inches)64%extreme
April Weather29°C (85°F)32 mm (1.3 inches)61%extreme
May Weather31°C (88°F)74 mm (2.9 inches)59%extreme
June Weather29°C (84°F)249 mm (9.8 inches)59%extreme
July Weather29°C (85°F)90 mm (3.5 inches)64%extreme
August Weather29°C (84°F)149 mm (5.9 inches)76%extreme
September Weather28°C (83°F)219 mm (8.6 inches)80%extreme
October Weather27°C (81°F)251 mm (9.9 inches)82%extreme
November Weather25°C (78°F)118 mm (4.7 inches)83%very high
December Weather24°C (76°F)49 mm (1.9 inches)84%very high

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