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October Weather in Valparaiso, United States

Last updated: June 24, 2025

In October, the average temperature in Valparaiso, United States hovers around 23°C (74°F), making it a pleasant time of year. Expect temperatures to range from a cool 6°C (43°F) to a warm 34°C (93°F). Be prepared for 118 mm (4.7 in) of precipitation over approximately 10 days, contributing to an average humidity of 74%.

October Temperature in Valparaiso

In October in Valparaiso, the average temperature is 23°C (74°F). Maximums can reach 34°C (93°F), while minimums can be as low as 6°C (43°F). This diverse range makes Valparaiso a perfect destination for travelers seeking both warm days and cooler evenings.

October Weather in Valparaiso: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Valparaiso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valparaiso, October typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (93°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec545964687581828280746157
Data source: Temperature data for Valparaiso 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 Valparaiso

In Valparaiso in October, the precipitation amount is 118 mm (4.7 in) over a span of 10 days.

October Precipitation Trends in Valparaiso

The chart displays monthly precipitation patterns in Valparaiso, 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 Valparaiso, October typically receives around 118 mm (4.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec90112621299619016517714711840123
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Valparaiso

In Valparaiso in October humidity is 74%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket, making outdoor activities a bit sticky and potentially exhausting, so travelers should stay hydrated and take frequent breaks in the shade.

October Average Humidity in Valparaiso

This chart illustrates the average monthly humidity levels in Valparaiso, 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 Valparaiso is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%79%77%74%70%78%78%79%74%83%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Valparaiso

In Valparaiso in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Valparaiso.

Maximum UV Index Levels in Valparaiso for October

The chart shows the monthly maximum UV Index (UVI) for Valparaiso 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 Valparaiso typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111121110864
Data source: Valparaiso 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 Valparaiso Compares to Other Months

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

This table compares monthly weather conditions in Valparaiso, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)89 mm (3.5 inches)83%moderate
February Weather15°C (60°F)112 mm (4.4 inches)82%very high
March Weather18°C (64°F)62 mm (2.4 inches)79%very high
April Weather20°C (68°F)129 mm (5.1 inches)77%extreme
May Weather24°C (76°F)96 mm (3.8 inches)74%extreme
June Weather27°C (81°F)190 mm (7.5 inches)70%extreme
July Weather28°C (82°F)165 mm (6.5 inches)78%extreme
August Weather28°C (82°F)177 mm (7.0 inches)78%extreme
September Weather26°C (80°F)147 mm (5.8 inches)79%very high
October Weather23°C (74°F)118 mm (4.7 inches)74%very high
November Weather16°C (61°F)40 mm (1.6 inches)83%high
December Weather14°C (57°F)123 mm (4.9 inches)86%moderate

Compare Valparaiso's Climate with Cities Worldwide