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October Weather in Puerto Williams, Chile

Last updated: August 22, 2025

In October, the average temperature in Puerto Williams, Chile hovers around 5°C (41°F), with a minimum of -6°C (21°F) and a maximum reaching 17°C (63°F). Expect frequent showers, with 72 mm (2.8 in) of precipitation over approximately 19 days. The average humidity is a high 83%, making it a perfect time for cozy indoor activities!

October Temperature in Puerto Williams

In October in Puerto Williams, the average temperature is 5°C (41°F), with maximums reaching 17°C (63°F) and minimums dropping as low as -6°C (21°F). Be sure to pack accordingly for varied weather conditions during your travels.

October Weather in Puerto Williams: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Puerto Williams, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Puerto Williams, October typically has an average temperature of 5°C (41°F), with highs reaching up to 17°C (63°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec484946423833333537414548
Data source: Temperature data for Puerto Williams 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 Puerto Williams

In Puerto Williams in October, the precipitation amount is 72 mm (2.8 in) over the course of 19 days.

October Precipitation Trends in Puerto Williams

The chart displays monthly precipitation patterns in Puerto Williams, 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 Puerto Williams, October typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec120106977065483865627293103
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Puerto Williams

In Puerto Williams in October humidity is 83%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and necessitating extra layers to stay warm and dry.

October Average Humidity in Puerto Williams

This chart illustrates the average monthly humidity levels in Puerto Williams, 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 Puerto Williams is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%85%85%86%86%86%85%85%84%83%84%82%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Puerto Williams

In Puerto Williams in October, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Puerto Williams.

Maximum UV Index Levels in Puerto Williams for October

The chart shows the monthly maximum UV Index (UVI) for Puerto Williams 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 Puerto Williams typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec98632113591211
Data source: Puerto Williams 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 Puerto Williams Compares to Other Months

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

This table compares monthly weather conditions in Puerto Williams, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)120 mm (4.7 inches)83%very high
February Weather9°C (49°F)106 mm (4.2 inches)85%very high
March Weather8°C (46°F)97 mm (3.8 inches)85%high
April Weather6°C (42°F)70 mm (2.8 inches)86%moderate
May Weather4°C (39°F)65 mm (2.5 inches)86%low
June Weather1°C (33°F)48 mm (1.9 inches)86%low
July Weather1°C (33°F)38 mm (1.5 inches)85%low
August Weather2°C (35°F)65 mm (2.6 inches)85%moderate
September Weather3°C (38°F)62 mm (2.4 inches)84%moderate
October Weather5°C (41°F)72 mm (2.8 inches)83%very high
November Weather7°C (46°F)93 mm (3.7 inches)84%extreme
December Weather9°C (48°F)103 mm (4.0 inches)82%extreme

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