nomadseason

October Weather in San Jose, Guatemala

Last updated: August 23, 2025

In October, the average temperature in San Jose, Guatemala is a warm 27°C (80°F), with minimums dipping to 19°C (66°F) and maximums soaring up to 37°C (99°F). Be prepared for some rain, as 184 mm (7.2 in) of precipitation is expected over 22 days, contributing to an average humidity of 78%.

October Temperature in San Jose

In October in San Jose, the average temperature is 27°C (80°F). Maximum temperatures can reach 37°C (99°F), while the minimum can drop as low as 19°C (66°F). It's advisable to pack light clothing for daytime outings and a light jacket for cooler evenings.

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 (80°F), with highs reaching up to 37°C (99°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec757982868783838382807775
Data source: Temperature data for San Jose generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
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 total precipitation amount reaches 184 mm (7.2 in) over the course of 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 184 mm (7.2 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec291328241012541191422191848848
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in San Jose

In San Jose in October, humidity is 78%. With an average temperature of 27°C (80°F), this humidity feels like a heavy blanket enveloping you, making travel feel more exhausting and sweat-inducing than usual.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%73%59%53%54%55%61%71%77%78%82%86%
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 is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, 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 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111314131313131312108
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)29 mm (1.1 inches)84%very high
February Weather26°C (79°F)12 mm (0.5 inches)73%extreme
March Weather28°C (82°F)28 mm (1.1 inches)59%extreme
April Weather30°C (87°F)24 mm (0.9 inches)52%extreme
May Weather30°C (87°F)101 mm (4.0 inches)53%extreme
June Weather28°C (83°F)254 mm (10.0 inches)55%extreme
July Weather28°C (83°F)119 mm (4.7 inches)61%extreme
August Weather28°C (84°F)142 mm (5.6 inches)71%extreme
September Weather28°C (82°F)219 mm (8.6 inches)77%extreme
October Weather27°C (80°F)184 mm (7.2 inches)78%extreme
November Weather25°C (77°F)88 mm (3.5 inches)82%very high
December Weather24°C (76°F)48 mm (1.9 inches)86%very high

Compare San Jose's Climate with Cities Worldwide