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October Weather in San Sebastian, El Salvador

Last updated: August 23, 2025

In October, the average temperature in San Sebastian, El Salvador hovers around 26°C (78°F), with minimums dipping to 20°C (69°F) and maximums soaring to 34°C (94°F). Expect a substantial precipitation of 314 mm (12.3 in) spread over 28 days, along with a high average humidity of 77%, making it a uniquely humid month.

October Temperature in San Sebastian

In October in San Sebastian, the average temperature is 26°C (78°F), with maximums reaching 34°C (94°F) and minimums dropping to 20°C (69°F). This pleasant climate makes San Sebastian an ideal destination for travelers seeking a warm and enjoyable getaway.

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

The chart illustrates October temperature patterns in San Sebastian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Sebastian, October typically has an average temperature of 26°C (78°F), with highs reaching up to 34°C (94°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec798182828079818079787979
Data source: Temperature data for San Sebastian 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 Sebastian

In San Sebastian in October, the total precipitation amount is 314 mm (12.3 in) distributed over a period of 28 days.

October Precipitation Trends in San Sebastian

The chart displays monthly precipitation patterns in San Sebastian, 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 Sebastian, October typically receives around 314 mm (12.3 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec25553311303136240277314667
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in San Sebastian

In San Sebastian in October, humidity is 77%. With an average temperature of 26°C (78°F), this humidity feels like an inviting embrace that can quickly fatigue travelers, making every step feel heavier and each breath a reminder of the warm, moist air surrounding them.

October Average Humidity in San Sebastian

This chart illustrates the average monthly humidity levels in San Sebastian, 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 Sebastian is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%62%59%59%59%68%78%79%77%77%75%67%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in San Sebastian

In San Sebastian in October, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in San Sebastian.

Maximum UV Index Levels in San Sebastian for October

The chart shows the monthly maximum UV Index (UVI) for San Sebastian 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 Sebastian typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141413131313109
Data source: San Sebastian 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 Sebastian Compares to Other Months

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

This table compares monthly weather conditions in San Sebastian, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)2 mm (0.1 inches)63%extreme
February Weather27°C (81°F)5 mm (0.2 inches)62%extreme
March Weather28°C (83°F)5 mm (0.2 inches)59%extreme
April Weather28°C (83°F)53 mm (2.1 inches)59%extreme
May Weather27°C (81°F)311 mm (12.3 inches)59%extreme
June Weather26°C (79°F)303 mm (11.9 inches)68%extreme
July Weather27°C (81°F)136 mm (5.4 inches)77%extreme
August Weather27°C (80°F)240 mm (9.5 inches)79%extreme
September Weather26°C (79°F)277 mm (10.9 inches)77%extreme
October Weather26°C (78°F)314 mm (12.3 inches)77%extreme
November Weather26°C (79°F)66 mm (2.6 inches)75%very high
December Weather26°C (79°F)7 mm (0.3 inches)66%very high

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