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October Weather in San Salvador, Peru

Last updated: August 27, 2025

In October, the average temperature in San Salvador, Peru hovers around 9°C (48°F). Expect a minimum of 0°C (33°F) and a maximum of 20°C (68°F). The region experiences precipitation totaling 127 mm (5.0 in), spread over 26 days, along with an average humidity of 64%.

October Temperature in San Salvador

In October in San Salvador, the average temperature is 9°C (48°F), with maximums reaching 20°C (68°F) and minimums dropping as low as 0°C (33°F). This weather makes it an ideal time for travelers seeking mild climate experiences and outdoor activities.

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

The chart illustrates October temperature patterns in San Salvador, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Salvador, October typically has an average temperature of 9°C (48°F), with highs reaching up to 20°C (68°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec484848474645444546484949
Data source: Temperature data for San Salvador 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 Salvador

In San Salvador in October, the total precipitation amount is 127 mm (5.0 in) spread over 26 days.

October Precipitation Trends in San Salvador

The chart displays monthly precipitation patterns in San Salvador, 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 Salvador, October typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec1902662031307363506590127156254
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in San Salvador

In San Salvador in October, humidity is 64%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that can make outdoor activities less enjoyable, requiring travelers to bundle up and perhaps seek indoor attractions to stay warm and comfortable.

October Average Humidity in San Salvador

This chart illustrates the average monthly humidity levels in San Salvador, 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 Salvador is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%92%90%88%77%55%44%51%64%84%93%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in San Salvador

In San Salvador in October, the maximum UV index is 18, which corresponds to an extreme exposure category. This means that the time to burn is just 10 minutes. For more detailed information, you can check the hourly UV index in San Salvador.

Maximum UV Index Levels in San Salvador for October

The chart shows the monthly maximum UV Index (UVI) for San Salvador 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 Salvador typically reaches 18, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec221919171411131417182220
Data source: San Salvador 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 Salvador Compares to Other Months

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

This table compares monthly weather conditions in San Salvador, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)189 mm (7.5 inches)94%extreme
February Weather9°C (48°F)266 mm (10.5 inches)92%extreme
March Weather9°C (48°F)203 mm (8.0 inches)92%extreme
April Weather8°C (47°F)129 mm (5.1 inches)90%extreme
May Weather8°C (46°F)73 mm (2.9 inches)88%extreme
June Weather7°C (45°F)63 mm (2.5 inches)77%extreme
July Weather7°C (44°F)50 mm (2.0 inches)55%extreme
August Weather7°C (45°F)65 mm (2.6 inches)44%extreme
September Weather8°C (46°F)90 mm (3.5 inches)51%extreme
October Weather9°C (48°F)127 mm (5.0 inches)64%extreme
November Weather10°C (49°F)156 mm (6.1 inches)84%extreme
December Weather9°C (49°F)254 mm (10.0 inches)93%extreme

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